Annotations: 7ZAI

Cryo-EM structure of a Pyrococcus abyssi 30S bound to Met-initiator tRNA, mRNA and aIF1A.

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
F [auth E]	eIF-1a	e7zaiE1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
H [auth G]	eIF-1a	e7zaiG1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
K [auth J]	eIF-1a	e7zaiJ1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
S [auth R]	eIF-1a	e7zaiR1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
T [auth S]	eIF-1a	e7zaiS1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
V [auth U]	eIF-1a	e7zaiU1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
X [auth W]	eIF-1a	e7zaiW1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
AA [auth Z]	eIF-1a	e7zaiZ1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
BA [auth 0]	eIF-1a	e7zai01	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
I [auth H]	eIF-1a	e7zaiH1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
G [auth F]	Ribosomal_L27A, Ribosomal_L18	e7zaiF1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Ribosomal_L27A, Ribosomal_L18	ECOD (v295)
E [auth D]	eIF-1a	e7zaiD1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
D [auth C]	eIF-1a	e7zaiC1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
FA [auth 6]	eIF-1a	e7zai61	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
C [auth B]	eIF-1a	e7zaiB1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
CA [auth 3]	eIF-1a	e7zai31	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
Z [auth Y]	eIF-1a	e7zaiY1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
Y [auth X]	eIF-1a	e7zaiX1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
W [auth V]	eIF-1a	e7zaiV1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
U [auth T]	eIF-1a	e7zaiT1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
B [auth A]	eIF-1a	e7zaiA1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
R [auth Q]	eIF-1a	e7zaiQ1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
Q [auth P]	eIF-1a	e7zaiP1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
P [auth O]	eIF-1a	e7zaiO1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
O [auth N]	eIF-1a	e7zaiN1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
N [auth M]	eIF-1a	e7zaiM1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
M [auth L]	eIF-1a	e7zaiL1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
L [auth K]	eIF-1a	e7zaiK1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)
J [auth I]	eIF-1a	e7zaiI1	A: alpha arrays	X: cradle loop barrel	H: Cytochrome P450	T: Cytochrome P450	F: eIF-1a	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
T [auth S]	1.10.60.20	Mainly Alpha	Orthogonal Bundle	Diphtheria Toxin Repressor	domain 2	CATH (utative)
I [auth H]	1.10.455.10	Mainly Alpha	Orthogonal Bundle	Ribosomal Protein S7	Ribosomal protein S7/S5	CATH (utative)
G [auth F]	3.30.230.10	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (utative)
P [auth O]	1.10.8.50	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth 2]	16S rRNA	-	-	-
F [auth E]	30S ribosomal protein S4e	RNA binding binding rRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
H [auth G]	30S ribosomal protein S6e	structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome
K [auth J]	30S ribosomal protein S8e	structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome
S [auth R]	30S ribosomal protein S17	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
T [auth S]	30S ribosomal protein S17e	structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex ribonucleoprotein complex intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
V [auth U]	30S ribosomal protein S19e	RNA binding binding nucleic acid binding structural molecule activity structural constituent of ribosome	ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular process cellular component organization or biogenesis ribosome assembly biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
X [auth W]	30S ribosomal protein S27e	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome
AA [auth Z]	30S ribosomal protein S3	RNA binding binding rRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
BA [auth 0]	50S ribosomal protein L41e	-	-	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome
I [auth H]	30S ribosomal protein S7	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle cellular anatomical structure ribonucleoprotein complex organelle membraneless organelle ribosome
G [auth F]	30S ribosomal protein S5	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
E [auth D]	30S ribosomal protein S4	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	cellular component biogenesis ribosome biogenesis ribonucleoprotein complex biogenesis cellular process cellular component organization or biogenesis ribosomal small subunit biogenesis biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process cellular component biogenesis ribosome biogenesis ribonucleoprotein complex biogenesis cellular process cellular component organization or biogenesis ribosomal small subunit biogenesis biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle cellular anatomical structure ribonucleoprotein complex organelle membraneless organelle ribosome
D [auth C]	Zn-ribbon RNA-binding protein involved in translation	cation binding ion binding binding metal ion binding small molecule binding	-	-
FA [auth 6]	Translation initiation factor 1A	translation factor activity translation initiation factor activity RNA binding binding nucleic acid binding	-	-
EA [auth 4]	tRNA-MET	-	-	-
DA [auth 5]	mRNA	-	-	-
C [auth B]	30S ribosomal protein S2	structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle cellular anatomical structure ribonucleoprotein complex organelle membraneless organelle ribosome
CA [auth 3]	50S ribosomal protein L7Ae	RNA binding binding rRNA binding nucleic acid binding tRNA-specific ribonuclease activity endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity, acting on a tRNA hydrolase activity nuclease activity hydrolase activity, acting on ester bonds RNA binding binding rRNA binding nucleic acid binding tRNA-specific ribonuclease activity endonuclease activity RNA endonuclease activity producing 5'-phosphomonoesters, hydrolytic mechanism catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA nuclease activity catalytic activity, acting on a tRNA hydrolase activity nuclease activity hydrolase activity, acting on ester bonds RNA endonuclease activity ribonuclease P activity catalytic activity structural molecule activity structural constituent of ribosome	RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing RNA 5'-end processing metabolic process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing RNA 5'-end processing metabolic process cellular process macromolecule metabolic process RNA processing tRNA 5'-leader removal tRNA 5'-end processing cellular component biogenesis ribosome biogenesis ribonucleoprotein complex biogenesis cellular component organization or biogenesis protein metabolic process translation protein biosynthetic process	protein-containing complex ribonucleoprotein complex cellular anatomical structure intracellular anatomical structure cytoplasm intracellular organelle organelle membraneless organelle intracellular membraneless organelle ribosome
Z [auth Y]	30S ribosomal protein S27ae	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome
Y [auth X]	30S ribosomal protein S28e	structural molecule activity structural constituent of ribosome	ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular process cellular component organization or biogenesis ribosome assembly RNA metabolic process primary metabolic process rRNA processing gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process maturation of SSU-rRNA metabolic process macromolecule metabolic process RNA processing rRNA metabolic process protein metabolic process translation protein biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
W [auth V]	30S ribosomal protein S24e	structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome
U [auth T]	30S ribosomal protein S19	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly ribonucleoprotein complex biogenesis organelle assembly protein-containing complex organization membraneless organelle assembly ribosomal small subunit assembly protein-RNA complex assembly ribosomal small subunit biogenesis cellular component organization cellular component biogenesis ribosome biogenesis organelle organization protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular process cellular component organization or biogenesis ribosome assembly biosynthetic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
B [auth A]	30S ribosomal protein S3Ae	structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome
R [auth Q]	30S ribosomal protein S15	RNA binding small ribosomal subunit rRNA binding binding rRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
Q [auth P]	30S ribosomal protein S14 type Z	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding structural molecule activity structural constituent of ribosome RNA binding rRNA binding nucleic acid binding	primary metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process biosynthetic process cytoplasmic translation metabolic process cellular process protein metabolic process macromolecule metabolic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
P [auth O]	30S ribosomal protein S13	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol protein-containing complex small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle ribonucleoprotein complex organelle membraneless organelle ribosome
O [auth N]	30S ribosomal protein S12	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle cellular anatomical structure ribonucleoprotein complex organelle membraneless organelle ribosome
N [auth M]	30S ribosomal protein S11	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome
M [auth L]	30S ribosomal protein S10	RNA binding binding tRNA binding nucleic acid binding structural molecule activity structural constituent of ribosome	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle ribosomal subunit intracellular organelle cellular anatomical structure ribonucleoprotein complex organelle membraneless organelle ribosome
L [auth K]	30S ribosomal protein S9	RNA binding binding nucleic acid binding structural molecule activity structural constituent of ribosome	ribonucleoprotein complex biogenesis RNA metabolic process rRNA processing maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process maturation of SSU-rRNA cellular component organization or biogenesis RNA processing rRNA metabolic process primary metabolic process ribonucleoprotein complex biogenesis RNA metabolic process rRNA processing maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA) cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process ribosome biogenesis nucleic acid biosynthetic process maturation of SSU-rRNA cellular component organization or biogenesis RNA processing rRNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process ribosomal small subunit biogenesis nucleic acid metabolic process biosynthetic process cellular process metabolic process macromolecule metabolic process protein metabolic process translation protein biosynthetic process	cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosolic small ribosomal subunit protein-containing complex intracellular anatomical structure small ribosomal subunit intracellular membraneless organelle intracellular organelle ribosomal subunit cellular anatomical structure cytosolic ribosome organelle ribonucleoprotein complex membraneless organelle ribosome cytoplasm cytosol
J [auth I]	30S ribosomal protein S8	structural molecule activity structural constituent of ribosome RNA binding binding rRNA binding nucleic acid binding	biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process translation gene expression protein biosynthetic process macromolecule biosynthetic process	protein-containing complex ribonucleoprotein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle ribosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
F [auth E]	IPR018199	Small ribosomal subunit protein eS4, N-terminal, conserved site	Conserved Site
F [auth E]	IPR013843	Small ribosomal subunit protein eS4, N-terminal	Domain
F [auth E]	IPR002942	RNA-binding S4 domain	Domain
F [auth E]	IPR013845	Small ribosomal subunit protein eS4, central region	Domain
F [auth E]	IPR000876	Small ribosomal subunit protein eS4	Family
F [auth E]	IPR014722	Large ribosomal subunit protein uL2, domain 2	Homologous Superfamily
F [auth E]	IPR038237	Small ribosomal subunit protein eS4, central domain superfamily	Homologous Superfamily
F [auth E]	IPR041982	Small ribosomal subunit protein eS4, KOW domain	Domain
F [auth E]	IPR036986	RNA-binding S4 domain superfamily	Homologous Superfamily
F [auth E]	IPR005824	KOW	Domain
H [auth G]	IPR001377	Small ribosomal subunit protein eS6	Family
H [auth G]	IPR018282	Small ribosomal subunit protein eS6, conserved site	Conserved Site
H [auth G]	IPR020924	Small ribosomal subunit protein eS6, archaea	Family
K [auth J]	IPR001047	Small ribosomal subunit protein eS8	Family
K [auth J]	IPR020919	Small ribosomal subunit protein eS8, archaea	Family
K [auth J]	IPR022309	Ribosomal protein eS8/ribosomal biogenesis NSA2	Family
K [auth J]	IPR018283	Small ribosomal subunit protein eS8, conserved site	Conserved Site
S [auth R]	IPR019979	Small ribosomal subunit protein uS17, conserved site	Conserved Site
S [auth R]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
S [auth R]	IPR000266	Small ribosomal subunit protein uS17	Family
S [auth R]	IPR019978	Small ribosomal subunit protein uS17, archaeal	Family
S [auth R]	IPR028333	Small ribosomal subunit protein uS17, archaeal/eukaryotic	Family
T [auth S]	IPR036401	Small ribosomal subunit protein eS17 superfamily	Homologous Superfamily
T [auth S]	IPR001210	Small ribosomal subunit protein eS17	Family
T [auth S]	IPR018273	Small ribosomal subunit protein eS17, conserved site	Conserved Site
V [auth U]	IPR001266	Small ribosomal subunit protein eS19	Family
V [auth U]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
V [auth U]	IPR018277	Small ribosomal subunit protein eS19, conserved site	Conserved Site
V [auth U]	IPR027548	Small ribosomal subunit protein eS19, archaea	Family
V [auth U]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
X [auth W]	IPR023407	Small ribosomal subunit protein eS27, zinc-binding domain superfamily	Homologous Superfamily
X [auth W]	IPR000592	Small ribosomal subunit protein eS27	Family
X [auth W]	IPR011332	Zinc-binding ribosomal protein	Homologous Superfamily
AA [auth Z]	IPR005703	Small ribosomal subunit protein uS3, eukaryota/archaeal	Family
AA [auth Z]	IPR027488	Small ribosomal subunit protein uS3, archaea	Family
AA [auth Z]	IPR001351	Small ribosomal subunit protein uS3, C-terminal	Domain
AA [auth Z]	IPR057258	Small ribosomal subunit protein uS3	Family
AA [auth Z]	IPR009019	K homology domain superfamily, prokaryotic type	Homologous Superfamily
AA [auth Z]	IPR004087	K Homology domain	Domain
AA [auth Z]	IPR004044	K Homology domain, type 2	Domain
AA [auth Z]	IPR015946	K homology domain-like, alpha/beta	Homologous Superfamily
AA [auth Z]	IPR036419	Ribosomal protein S3, C-terminal domain superfamily	Homologous Superfamily
I [auth H]	IPR000235	Small ribosomal subunit protein uS7	Family
I [auth H]	IPR036823	Small ribosomal subunit protein uS7 domain superfamily	Homologous Superfamily
I [auth H]	IPR026018	Small ribosomal subunit protein uS7, archaea	Family
I [auth H]	IPR023798	Small ribosomal subunit protein uS7 domain	Domain
I [auth H]	IPR005716	Ribosomal protein uS7, eukaryotic/archaeal	Family
G [auth F]	IPR005711	Small ribosomal subunit protein uS5, eukaryota_archaea	Family
G [auth F]	IPR000851	Small ribosomal subunit protein uS5	Family
G [auth F]	IPR047866	Small ribosomal subunit protein uS5, archaea	Family
G [auth F]	IPR005324	Small ribosomal subunit protein uS5, C-terminal	Domain
G [auth F]	IPR013810	Small ribosomal subunit protein uS5, N-terminal	Domain
G [auth F]	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
G [auth F]	IPR018192	Small ribosomal subunit protein uS5, N-terminal, conserved site	Conserved Site
G [auth F]	IPR014721	Small ribosomal subunit protein uS5 domain 2-type fold, subgroup	Homologous Superfamily
E [auth D]	IPR018079	Small ribosomal subunit protein uS4, conserved site	Conserved Site
E [auth D]	IPR002942	RNA-binding S4 domain	Domain
E [auth D]	IPR001912	Small ribosomal subunit protein uS4, N-terminal	Domain
E [auth D]	IPR022802	Small ribosomal subunit protein uS4, archaea	Family
E [auth D]	IPR036986	RNA-binding S4 domain superfamily	Homologous Superfamily
E [auth D]	IPR022801	Small ribosomal subunit protein uS4	Family
E [auth D]	IPR005710	Small ribosomal subunit protein uS4, eukaryota/archaea	Family
D [auth C]	IPR044720	Small ribosomal subunit protein aS21	Family
D [auth C]	IPR011668	Ribosomal protein aS21, zinc-binding pocket	Domain
FA [auth 6]	IPR018104	Translation initiation factor 1A (eIF-1A), conserved site	Conserved Site
FA [auth 6]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
FA [auth 6]	IPR006196	RNA-binding domain, S1, IF1 type	Domain
FA [auth 6]	IPR001253	Translation initiation factor 1A (eIF-1A)	Family
C [auth B]	IPR023454	Small ribosomal subunit protein uS2, archaea	Family
C [auth B]	IPR023591	Small ribosomal subunit protein uS2, flavodoxin-like domain superfamily	Homologous Superfamily
C [auth B]	IPR018130	Small ribosomal subunit protein uS2, conserved site	Conserved Site
C [auth B]	IPR001865	Small ribosomal subunit protein uS2	Family
C [auth B]	IPR005707	Small ribosomal subunit protein uS2, eukaryota/archaea	Family
CA [auth 3]	IPR050257	Large ribosomal subunit protein eL8/uL1-like	Family
CA [auth 3]	IPR004038	Ribosomal protein eL8/eL30/eS12/Gadd45	Domain
CA [auth 3]	IPR022481	Large ribosomal subunit protein eL8, archaea	Family
CA [auth 3]	IPR004037	Large ribosomal subunit protein eL8-like, conserved site	Conserved Site
CA [auth 3]	IPR029064	Ribosomal protein eL30-like superfamily	Homologous Superfamily
CA [auth 3]	IPR018492	Ribosomal protein eL8/Nhp2 family	Family
Z [auth Y]	IPR002906	Small ribosomal subunit protein eS31	Domain
Z [auth Y]	IPR022845	Small ribosomal subunit protein eS31, archaea	Family
Z [auth Y]	IPR011332	Zinc-binding ribosomal protein	Homologous Superfamily
Y [auth X]	IPR028626	Ribosomal protein eS28 conserved site	Conserved Site
Y [auth X]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
Y [auth X]	IPR000289	Small ribosomal subunit protein eS28	Family
W [auth V]	IPR001976	Small ribosomal subunit protein eS24	Family
W [auth V]	IPR012678	Ribosomal protein uL23/eL15/eS24 core domain superfamily	Homologous Superfamily
W [auth V]	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
W [auth V]	IPR018098	Small ribosomal subunit protein eS24 conserved site	Conserved Site
U [auth T]	IPR002222	Small ribosomal subunit protein uS19	Family
U [auth T]	IPR023575	Small ribosomal subunit protein uS19, superfamily	Homologous Superfamily
U [auth T]	IPR020934	Small ribosomal subunit protein uS19, conserved site	Conserved Site
U [auth T]	IPR005713	Small ribosomal subunit protein uS19, eukaryota/archaea	Family
B [auth A]	IPR001593	Small ribosomal subunit protein eS1	Family
B [auth A]	IPR018281	Small ribosomal subunit protein eS1, conserved site	Conserved Site
B [auth A]	IPR030838	Small ribosomal subunit protein eS1, archaea	Family
R [auth Q]	IPR012606	Small ribosomal subunit protein uS15, N-terminal	Domain
R [auth Q]	IPR009068	uS15/NS1, RNA-binding domain superfamily	Homologous Superfamily
R [auth Q]	IPR023029	Small ribosomal subunit protein uS15, archaea/eukaryota	Family
R [auth Q]	IPR000589	Small ribosomal subunit protein uS15	Family
Q [auth P]	IPR001209	Small ribosomal subunit protein uS14	Family
Q [auth P]	IPR018271	Small ribosomal subunit protein uS14, conserved site	Conserved Site
Q [auth P]	IPR039744	Small ribosomal subunit protein uS14, eukaryotes/archaea	Family
Q [auth P]	IPR043140	Small ribosomal subunit protein uS14 superfamily	Homologous Superfamily
Q [auth P]	IPR023676	Small ribosomal subunit protein uS14, archaea	Family
P [auth O]	IPR027437	Small ribosomal subunit protein uS13, C-terminal	Homologous Superfamily
P [auth O]	IPR001892	Small ribosomal subunit protein uS13	Family
P [auth O]	IPR019977	Small ribosomal subunit protein uS13, archaea	Family
P [auth O]	IPR018269	Small ribosomal subunit protein uS13, conserved site	Conserved Site
P [auth O]	IPR010979	Small ribosomal subunit protein uS13-like, H2TH	Homologous Superfamily
O [auth N]	IPR006032	Small ribosomal subunit protein uS12	Family
O [auth N]	IPR022863	Ribosomal protein uS12, archaea	Family
O [auth N]	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
O [auth N]	IPR005680	Small ribosomal subunit protein uS12, eukaryota/archaea	Family
N [auth M]	IPR019961	Small ribosomal subunit protein uS11, archaea	Family
N [auth M]	IPR001971	Small ribosomal subunit protein uS11	Family
N [auth M]	IPR036967	Small ribosomal subunit protein uS11 superfamily	Homologous Superfamily
N [auth M]	IPR018102	Small ribosomal subunit protein uS11, conserved site	Conserved Site
M [auth L]	IPR001848	Small ribosomal subunit protein uS10	Family
M [auth L]	IPR027486	Small ribosomal subunit protein uS10 domain	Domain
M [auth L]	IPR036838	Small ribosomal subunit protein uS10 domain superfamily	Homologous Superfamily
M [auth L]	IPR005729	Small ribosomal subunit protein uS10, eukaryotic/archaeal	Family
M [auth L]	IPR018268	Small ribosomal subunit protein uS10, conserved site	Conserved Site
L [auth K]	IPR019958	Small ribosomal subunit protein uS9, archaea	Family
L [auth K]	IPR020574	Small ribosomal subunit protein uS9, conserved site	Conserved Site
L [auth K]	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
L [auth K]	IPR000754	Small ribosomal subunit protein uS9	Family
L [auth K]	IPR014721	Small ribosomal subunit protein uS5 domain 2-type fold, subgroup	Homologous Superfamily
J [auth I]	IPR000630	Small ribosomal subunit protein uS8	Family
J [auth I]	IPR047863	Small ribosomal subunit protein uS8, conserved site	Conserved Site
J [auth I]	IPR035987	Small ribosomal subunit protein uS8 superfamily	Homologous Superfamily

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

7ZAI | pdb_00007zai

Cryo-EM structure of a Pyrococcus abyssi 30S bound to Met-initiator tRNA, mRNA and aIF1A.

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Domain Annotation: CATH CATH Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage