5E4W

Crystal structure of cpSRP43 chromodomains 2 and 3 in complex with the Alb3 tail

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d5e4wa1	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	Thioltransferase	Thioredoxin	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
A	d5e4wa2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
B	d5e4wb1	Alpha and beta proteins (a/b)	Thioredoxin fold	Thioredoxin-like	Thioltransferase	Thioredoxin	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)
B	d5e4wb2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Escherichia coli O157:H7 ) [TaxId: 83334 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Chromo domain-like	8004142	3000161	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Chromo domain-like	8056484	3000161	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Chromo domain-like	8004142	3000161	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Chromo domain-like	8056484	3000161	SCOP2B (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	Thioredoxin	e5e4wA1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Thioredoxin	ECOD (1.6)
B	Thioredoxin	e5e4wB1	A: a+b three layers	X: Thioredoxin-like	H: Thioredoxin-like (From Topology)	T: Thioredoxin-like	F: Thioredoxin	ECOD (1.6)
C	Chromo	e5e4wC2	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo	ECOD (1.6)
D	Chromo	e5e4wD2	A: beta barrels	X: SH3	H: Chromo domain-like (From Topology)	T: Chromo domain-like	F: Chromo	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
B	3.40.30.10	Alpha Beta	3-Layer(aba) Sandwich	Glutaredoxin	Glutaredoxin	CATH (4.3.0)
C	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
D	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00085	Thioredoxin (Thioredoxin)	Thioredoxin	Thioredoxins are small enzymes that participate in redox reactions, via the reversible oxidation of an active centre disulfide bond. Some members with only the active site are not separated from the noise.	Domain
C, D	PF00385	Chromo (CHRromatin Organisation MOdifier) domain (Chromo)	Chromo (CHRromatin Organisation MOdifier) domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Thioredoxin-1	oxidoreductase activity, acting on a sulfur group of donors disulfide oxidoreductase activity oxidoreductase activity catalytic activity, acting on a protein protein-disulfide reductase activity catalytic activity	cell redox homeostasis cellular homeostasis homeostatic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol
C, D	Signal recognition particle 43 kDa protein, chloroplastic	protein binding binding protein domain specific binding cation binding ion binding metal ion binding small molecule binding protein-macromolecule adaptor activity molecular adaptor activity disordered domain specific binding identical protein binding	protein localization protein import establishment of protein localization cellular localization nitrogen compound transport protein transmembrane import into intracellular organelle transport localization protein localization to chloroplast protein transmembrane transport cellular macromolecule localization protein import into chloroplast thylakoid membrane establishment of protein localization to membrane localization within membrane protein localization protein import establishment of protein localization cellular localization nitrogen compound transport protein transmembrane import into intracellular organelle transport localization protein localization to chloroplast protein transmembrane transport cellular macromolecule localization protein import into chloroplast thylakoid membrane establishment of protein localization to membrane localization within membrane protein localization to membrane establishment of localization transmembrane transport establishment of protein localization to chloroplast establishment of protein localization to organelle protein transport macromolecule localization protein localization to organelle cellular process response to light stimulus response to light intensity response to stimulus response to radiation response to abiotic stimulus response to high light intensity protein-containing complex organization protein trimerization protein heterotrimerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein-containing complex assembly cellular component organization or biogenesis protein heterooligomerization	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle thylakoid plastid envelope chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane plastid stroma chloroplast stroma cytosol signal recognition particle protein-containing complex signal recognition particle, endoplasmic reticulum targeting ribonucleoprotein complex chloroplast envelope
E, F	Inner membrane protein ALBINO3, chloroplastic	protein binding binding protein domain specific binding protein carrier chaperone membrane insertase activity molecular carrier activity	protein localization protein import establishment of protein localization cellular localization nitrogen compound transport protein transmembrane import into intracellular organelle transport localization protein localization to chloroplast protein transmembrane transport cellular macromolecule localization protein import into chloroplast thylakoid membrane establishment of protein localization to membrane localization within membrane protein localization protein import establishment of protein localization cellular localization nitrogen compound transport protein transmembrane import into intracellular organelle transport localization protein localization to chloroplast protein transmembrane transport cellular macromolecule localization protein import into chloroplast thylakoid membrane establishment of protein localization to membrane localization within membrane protein localization to membrane establishment of localization transmembrane transport establishment of protein localization to chloroplast establishment of protein localization to organelle protein transport macromolecule localization protein localization to organelle cellular process membrane organization cellular component organization plastid membrane organization organelle organization plastid organization cellular component organization or biogenesis thylakoid membrane organization protein-containing complex organization protein trimerization protein heterotrimerization cellular component biogenesis cellular component assembly protein complex oligomerization protein-containing complex assembly protein heterooligomerization	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle thylakoid plastid envelope chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane peroxisome microbody protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017937	Thioredoxin, conserved site	Conserved Site
A, B	IPR013766	Thioredoxin domain	Domain
A, B	IPR005746	Thioredoxin	Family
A, B	IPR036249	Thioredoxin-like superfamily	Homologous Superfamily
C, D	IPR002110	Ankyrin repeat	Repeat
C, D	IPR000953	Chromo/chromo shadow domain	Domain
C, D	IPR023780	Chromo domain	Domain
C, D	IPR036770	Ankyrin repeat-containing domain superfamily	Homologous Superfamily
C, D	IPR016197	Chromo-like domain superfamily	Homologous Superfamily
C, D	IPR030300	Signal recognition particle 43kDa protein, chromodomain 3	Domain
E, F	IPR047196	Membrane insertase YidC/ALB, C-terminal	Domain
E, F	IPR001708	Membrane insertase YidC/ALB3/OXA1/COX18	Family
E, F	IPR028055	Membrane insertase YidC/Oxa/ALB, C-terminal	Domain

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.