Annotations: 3IEV

Crystal Structure of ERA in Complex with MgGNP and the 3' End of 16S rRNA

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	50S ribosome-binding GTPase-like	8089830	4004038	SCOP2 (2022-06-29)
A	SCOP2 Family	Prokaryotic type KH domain (KH-domain type II)	8089832	4001200	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Ras-like P-loop GTPases	8089831	3002022	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Prokaryotic type KH domain (KH-domain type II)	8089833	3001043	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Pkinase, Kdo	e3ievA1	A: a/b three-layered sandwiches	X: Spectrin repeat-like	H: SH3	T: SH3	F: Pkinase, Kdo	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
A	3.30.300.20	Alpha Beta	2-Layer Sandwich	GMP Synthetase	Chain A, domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF07650	KH domain (KH_2)	KH domain		Domain
A	PF01926	50S ribosome-binding GTPase (MMR_HSR1)	50S ribosome-binding GTPase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	GTP-binding protein era	RNA binding binding rRNA binding nucleic acid binding small ribosomal subunit rRNA binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding RNA binding binding rRNA binding nucleic acid binding small ribosomal subunit rRNA binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ribonucleoprotein complex binding protein-containing complex binding ribosomal small subunit binding ribosome 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	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane
B [auth D]	5'-R(PAPUPCPAPCPCPUPCPCPUPUPA)-3'	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005225	Small GTP-binding domain	Domain
A	IPR030388	Era-type guanine nucleotide-binding (G) domain	Domain
A	IPR009019	K homology domain superfamily, prokaryotic type	Homologous Superfamily
A	IPR005662	GTPase Era-like	Family
A	IPR004044	K Homology domain, type 2	Domain
A	IPR015946	K homology domain-like, alpha/beta	Homologous Superfamily
A	IPR006073	GTP binding domain	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	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.