3IQ6 | pdb_00003iq6

Crystal structure of a tetrameric Zn-bound cytochrome cb562 complex with covalently and non-covalently stabilized interfaces

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
H	d3iq6h_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome b562	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
G	d3iq6g_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome b562	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
F	d3iq6f_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome b562	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
E	d3iq6e_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome b562	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d3iq6d_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome b562	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d3iq6c_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome b562	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d3iq6b_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome b562	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d3iq6a_	All alpha proteins	Four-helical up-and-down bundle	Cytochromes	Cytochrome b562	automated matches	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
H	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cytochromes	8057879	3001526	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)
H	PBP	e3iq6H1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: PBP	ECOD (develop294)
G	PBP	e3iq6G1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: PBP	ECOD (develop294)
F	PBP	e3iq6F1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: PBP	ECOD (develop294)
E	PBP	e3iq6E1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: PBP	ECOD (develop294)
D	PBP	e3iq6D1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: PBP	ECOD (develop294)
C	PBP	e3iq6C1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: PBP	ECOD (develop294)
B	PBP	e3iq6B1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: PBP	ECOD (develop294)
A	PBP	e3iq6A1	A: alpha bundles	X: Lipocalins/Streptavidin	H: Immunoglobulin-related	T: PEBP-like	F: PBP	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
H	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)
G	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)
F	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)
E	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)
D	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)
C	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)
B	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)
A	1.20.120.10	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	Cytochrome c/b562	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H	Soluble cytochrome b562	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	electron transport chain metabolic process cellular process generation of precursor metabolites and energy	cellular anatomical structure periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H	IPR010980	Cytochrome c/b562	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H	IPR009155	Cytochrome b562	Family

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.