Annotations: 6M32

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth E]	d6m32e_	All beta proteins	Bacteriochlorophyll A protein	Bacteriochlorophyll A protein	Bacteriochlorophyll A protein	automated matches	(Chlorobaculum tepidum TLS ) [TaxId: 194439 ],	SCOPe (2.08)
B [auth F]	d6m32f_	All beta proteins	Bacteriochlorophyll A protein	Bacteriochlorophyll A protein	Bacteriochlorophyll A protein	automated matches	(Chlorobaculum tepidum TLS ) [TaxId: 194439 ],	SCOPe (2.08)
C [auth G]	d6m32g_	All beta proteins	Bacteriochlorophyll A protein	Bacteriochlorophyll A protein	Bacteriochlorophyll A protein	automated matches	(Chlorobaculum tepidum TLS ) [TaxId: 194439 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth E]	SCOP2B Superfamily	Bacteriochlorophyll A protein	8043010	3001696	SCOP2B (2022-06-29)
B [auth F]	SCOP2B Superfamily	Bacteriochlorophyll A protein	8043010	3001696	SCOP2B (2022-06-29)
C [auth G]	SCOP2B Superfamily	Bacteriochlorophyll A protein	8043010	3001696	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 [auth E]	BChl_A	e6m32E1	A: a+b two layers	X: Bacteriochlorophyll A protein (From Topology)	H: Bacteriochlorophyll A protein (From Topology)	T: Bacteriochlorophyll A protein	F: BChl_A	ECOD (1.6)
B [auth F]	BChl_A	e6m32F1	A: a+b two layers	X: Bacteriochlorophyll A protein (From Topology)	H: Bacteriochlorophyll A protein (From Topology)	T: Bacteriochlorophyll A protein	F: BChl_A	ECOD (1.6)
C [auth G]	BChl_A	e6m32G1	A: a+b two layers	X: Bacteriochlorophyll A protein (From Topology)	H: Bacteriochlorophyll A protein (From Topology)	T: Bacteriochlorophyll A protein	F: BChl_A	ECOD (1.6)
E [auth B]	Fer4_21_1	e6m32B1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: Fer4_21_1	ECOD (1.6)
F [auth A]	PsaA_PsaB_C	e6m32A1	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: PsaA_PsaB_C	ECOD (1.6)
F [auth A]	F_UNCLASSIFIED	e6m32A2	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: F_UNCLASSIFIED	ECOD (1.6)
G [auth a]	PsaA_PsaB_C	e6m32a1	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: PsaA_PsaB_C	ECOD (1.6)
G [auth a]	F_UNCLASSIFIED	e6m32a2	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth E], B [auth F], C [auth G]	PF02327	Bacteriochlorophyll A protein (BChl_A)	Bacteriochlorophyll A protein	Bacteriochlorophyll A protein is involved in the energy transfer system of green photosynthetic bacteria. The protein forms a homotrimer, with each monomer unit containing seven molecules of bacteriochlorophyll A.	Domain
E [auth B]	PF12838	4Fe-4S dicluster domain (Fer4_7)	4Fe-4S dicluster domain	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ...	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contains two 4Fe4S clusters.	Domain
F [auth A], G [auth a]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth E], B [auth F], C [auth G]	Bacteriochlorophyll a protein	chlorophyll binding binding organic cyclic compound binding bacteriochlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis cellular metabolic process metabolic process cellular process	-
D	P840 reaction center 17 kDa protein	-	photosynthesis cellular metabolic process metabolic process cellular process	-
E [auth B]	Photosystem P840 reaction center iron-sulfur protein	iron-sulfur cluster binding binding metal cluster binding small molecule binding cation binding ion binding metal ion binding	-	-
F [auth A], G [auth a]	Photosystem P840 reaction center, large subunit	-	photosynthesis cellular metabolic process metabolic process cellular process	membrane cellular anatomical entity intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle thylakoid non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth E], B [auth F], C [auth G]	IPR036559	Bacteriochlorophyll A superfamily	Homologous Superfamily
A [auth E], B [auth F], C [auth G]	IPR003426	Bacteriochlorophyll A protein	Family
D	IPR019608	Photosystem I P840 reaction centre protein PscD	Family
E [auth B]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
E [auth B]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
F [auth A], G [auth a]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
F [auth A], G [auth a]	IPR001280	Photosystem I PsaA/PsaB	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
F [auth A], G [auth a]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Bacterial photosystems

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
F [auth A], G [auth a]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
F [auth A], G [auth a]	MemProtMD	Annotated as membrane protein by MemProtMD

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.