Annotations: 1H21

A novel iron centre in the split-Soret cytochrome c from Desulfovibrio desulfuricans ATCC 27774

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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	d1h21a_	All alpha proteins	Multiheme cytochromes	Multiheme cytochromes	Di-heme elbow motif	Dimeric di-heme split-soret cytochrome c	(Desulfovibrio desulfuricans ) [TaxId: 876 ],	SCOPe (2.08)
B	d1h21b_	All alpha proteins	Multiheme cytochromes	Multiheme cytochromes	Di-heme elbow motif	Dimeric di-heme split-soret cytochrome c	(Desulfovibrio desulfuricans ) [TaxId: 876 ],	SCOPe (2.08)
C	d1h21c_	All alpha proteins	Multiheme cytochromes	Multiheme cytochromes	Di-heme elbow motif	Dimeric di-heme split-soret cytochrome c	(Desulfovibrio desulfuricans ) [TaxId: 876 ],	SCOPe (2.08)
D	d1h21d_	All alpha proteins	Multiheme cytochromes	Multiheme cytochromes	Di-heme elbow motif	Dimeric di-heme split-soret cytochrome c	(Desulfovibrio desulfuricans ) [TaxId: 876 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	CycX-like	8003655	4000357	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	CysX N-terminal domain-like	8056471	3002348	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Di-heme elbow motif	8003657	3000145	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Di-heme elbow motif	8003657	3000145	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	CysX N-terminal domain-like	8056471	3002348	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Di-heme elbow motif	8003657	3000145	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	CysX N-terminal domain-like	8056471	3002348	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	CysX N-terminal domain-like	8056471	3002348	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Di-heme elbow motif	8003657	3000145	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	C_GCAxxG_C_C	e1h21A1	A: few secondary structure elements	X: Multiheme cytochromes	H: Di-heme elbow motif	T: Di-heme elbow motif	F: C_GCAxxG_C_C	ECOD (v294.1)
B	Enolase_C	e1h21B1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: Enolase_C	ECOD (v294.1)
C	Enolase_C	e1h21C1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: Enolase_C	ECOD (v294.1)
D	Enolase_C	e1h21D1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: Enolase_C	ECOD (v294.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	SPLIT-SORET CYTOCHROME C	iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding cation binding ion binding metal ion binding	cellular respiration energy derivation by oxidation of organic compounds metabolic process cellular process generation of precursor metabolites and energy anaerobic respiration	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR010181	CGCAxxGCC motif	Family
A, B, C, D	IPR036280	Multiheme cytochrome superfamily	Homologous Superfamily
A, B, C, D	IPR006311	Twin-arginine translocation pathway, signal sequence	Conserved Site

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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.