7Z6Q | pdb_00007z6q

Cryo-EM structure of the whole photosynthetic complex from the green sulfur bacteria

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F	SCOP2B Superfamily	Bacteriochlorophyll A protein	8043010	3001696	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Bacteriochlorophyll A protein	8043010	3001696	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Bacteriochlorophyll A protein	8043010	3001696	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Bacteriochlorophyll A protein	8043010	3001696	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Bacteriochlorophyll A protein	8043010	3001696	SCOP2B (2022-06-29)
I	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	PsaA_PsaB_C	e7z6qA2	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)
A	F_UNCLASSIFIED	e7z6qA1	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)
K [auth a]	PsaA_PsaB_C	e7z6qa2	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)
K [auth a]	F_UNCLASSIFIED	e7z6qa1	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)
F	BChl_A	e7z6qF1	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)
J	BChl_A	e7z6qJ1	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	BChl_A	e7z6qE1	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)
G	BChl_A	e7z6qG1	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)
H	BChl_A	e7z6qH1	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)
I	BChl_A	e7z6qI1	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, K [auth a]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
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
E, F, G, H, I E, F, G, H, I, J	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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, K [auth a]	Photosystem P840 reaction center, large subunit	-	photosynthesis metabolic process cellular process	cellular anatomical structure membrane intracellular organelle intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle thylakoid
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	-	-
C, L [auth c]	Cytochrome c	binding tetrapyrrole binding heme binding electron transfer activity cation binding ion binding metal ion binding small molecule binding	photosynthesis metabolic process cellular process	cell periphery cellular anatomical structure plasma membrane membrane
D	P840 reaction center 17 kDa protein	-	photosynthesis metabolic process cellular process	-
E, F, G, H, I E, F, G, H, I, J	Bacteriochlorophyll a protein	chlorophyll binding binding bacteriochlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, K [auth a]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A, K [auth a]	IPR001280	Photosystem I PsaA/PsaB	Family
B	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
B	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C, L [auth c]	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
C, L [auth c]	IPR019604	Photosystem P840 reaction-centre, cytochrome c-551	Family
D	IPR019608	Photosystem I P840 reaction centre protein PscD	Family
E, F, G, H, I E, F, G, H, I, J	IPR036559	Bacteriochlorophyll A superfamily	Homologous Superfamily
E, F, G, H, I E, F, G, H, I, J	IPR003426	Bacteriochlorophyll A protein	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, C, K [auth a], L [auth c]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Bacterial photosystems

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, C, K [auth a], L [auth c]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, C, K [auth a], L [auth c]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, C, K [auth a], L [auth c]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Light-Harvesting+Reaction Center Complexes	Photosynthetic FMO-Reaction Center complex (FMO-RC)

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.