Annotations: 7ZCU

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00556	e7zcuA1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
L [auth K]	PF00556	e7zcuK1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
D [auth C]	PF00556	e7zcuC1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
F [auth E]	PF00556	e7zcuE1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
H [auth G]	PF00556	e7zcuG1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
J [auth I]	PF00556	e7zcuI1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
N [auth M]	PF00556	e7zcuM1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
P [auth O]	PF00556	e7zcuO1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
R [auth Q]	PF00556	e7zcuQ1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
M [auth L]	PF00556	e7zcuL1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
B	PF00556	e7zcuB1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
E [auth D]	PF00556	e7zcuD1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
G [auth F]	PF00556	e7zcuF1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
I [auth H]	PF00556	e7zcuH1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
K [auth J]	PF00556	e7zcuJ1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
O [auth N]	PF00556	e7zcuN1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
Q [auth P]	PF00556	e7zcuP1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)
S [auth R]	PF00556	e7zcuR1	A: extended segments	X: Bacterial light-harvesting complex subunits (From Topology)	H: Bacterial light-harvesting complex subunits (From Topology)	T: Bacterial light-harvesting complex subunits	F: PF00556	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D [auth C], F [auth E], H [auth G], J [auth I], A, D [auth C], F [auth E], H [auth G], J [auth I], L [auth K], N [auth M], P [auth O], R [auth Q]	PF00556	Antenna complex alpha/beta subunit (LHC)	Antenna complex alpha/beta subunit	-	Domain
B, E [auth D], G [auth F], I [auth H], K [auth J], B, E [auth D], G [auth F], I [auth H], K [auth J], M [auth L], O [auth N], Q [auth P], S [auth R]	PF00556	Antenna complex alpha/beta subunit (LHC)	Antenna complex alpha/beta subunit	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, D [auth C], F [auth E], H [auth G], J [auth I], A, D [auth C], F [auth E], H [auth G], J [auth I], L [auth K], N [auth M], P [auth O], R [auth Q]	Light-harvesting protein B-800-850 alpha chain	electron transfer activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity chlorophyll binding binding organic cyclic compound binding bacteriochlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction cellular metabolic process metabolic process cellular process generation of precursor metabolites and energy	membrane-bounded organelle intracellular organelle organelle envelope organelle inner membrane intracellular anatomical structure organelle membrane cellular anatomical entity organelle membrane cell periphery plasma membrane plasma membrane light-harvesting complex protein-containing complex intracellular vesicle membrane-bounded organelle intracellular organelle organelle envelope organelle inner membrane intracellular anatomical structure organelle membrane cellular anatomical entity organelle membrane cell periphery plasma membrane plasma membrane light-harvesting complex protein-containing complex intracellular vesicle plasma membrane-derived chromatophore intracellular membrane-bounded organelle light-harvesting complex cytoplasmic vesicle cytoplasm vesicle
B, E [auth D], G [auth F], I [auth H], K [auth J], B, E [auth D], G [auth F], I [auth H], K [auth J], M [auth L], O [auth N], Q [auth P], S [auth R]	Light-harvesting protein B-800-850 beta chain	electron transfer activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity chlorophyll binding binding organic cyclic compound binding bacteriochlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction cellular metabolic process metabolic process cellular process generation of precursor metabolites and energy	cell periphery plasma membrane membrane cellular anatomical entity membrane-bounded organelle plasma membrane light-harvesting complex protein-containing complex intracellular anatomical structure intracellular vesicle plasma membrane-derived chromatophore intracellular membrane-bounded organelle light-harvesting complex intracellular organelle cytoplasmic vesicle cell periphery plasma membrane membrane cellular anatomical entity membrane-bounded organelle plasma membrane light-harvesting complex protein-containing complex intracellular anatomical structure intracellular vesicle plasma membrane-derived chromatophore intracellular membrane-bounded organelle light-harvesting complex intracellular organelle cytoplasmic vesicle organelle cytoplasm vesicle
C [auth S]	PucA-LH2-gamma	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D [auth C], F [auth E], H [auth G], J [auth I], A, D [auth C], F [auth E], H [auth G], J [auth I], L [auth K], N [auth M], P [auth O], R [auth Q]	IPR000066	Antenna complex, alpha/beta subunit	Domain
A, D [auth C], F [auth E], H [auth G], J [auth I], A, D [auth C], F [auth E], H [auth G], J [auth I], L [auth K], N [auth M], P [auth O], R [auth Q]	IPR018332	Antenna complex, alpha subunit	Family
A, D [auth C], F [auth E], H [auth G], J [auth I], A, D [auth C], F [auth E], H [auth G], J [auth I], L [auth K], N [auth M], P [auth O], R [auth Q]	IPR002361	Antenna complex, alpha subunit conserved site	Conserved Site
A, D [auth C], F [auth E], H [auth G], J [auth I], A, D [auth C], F [auth E], H [auth G], J [auth I], L [auth K], N [auth M], P [auth O], R [auth Q]	IPR035889	Light-harvesting complex	Homologous Superfamily
B, E [auth D], G [auth F], I [auth H], K [auth J], B, E [auth D], G [auth F], I [auth H], K [auth J], M [auth L], O [auth N], Q [auth P], S [auth R]	IPR000066	Antenna complex, alpha/beta subunit	Domain
B, E [auth D], G [auth F], I [auth H], K [auth J], B, E [auth D], G [auth F], I [auth H], K [auth J], M [auth L], O [auth N], Q [auth P], S [auth R]	IPR023624	Antenna complex, beta domain superfamily	Homologous Superfamily
B, E [auth D], G [auth F], I [auth H], K [auth J], B, E [auth D], G [auth F], I [auth H], K [auth J], M [auth L], O [auth N], Q [auth P], S [auth R]	IPR035889	Light-harvesting complex	Homologous Superfamily
B, E [auth D], G [auth F], I [auth H], K [auth J], B, E [auth D], G [auth F], I [auth H], K [auth J], M [auth L], O [auth N], Q [auth P], S [auth R]	IPR023623	Antenna complex, beta subunit, conserved site	Conserved Site
B, E [auth D], G [auth F], I [auth H], K [auth J], B, E [auth D], G [auth F], I [auth H], K [auth J], M [auth L], O [auth N], Q [auth P], S [auth R]	IPR002362	Light-harvesting protein B beta chain	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, D [auth C], E [auth D], F [auth E] A, B, D [auth C], E [auth D], F [auth E], G [auth F], H [auth G], I [auth H], J [auth I], K [auth J], L [auth K], M [auth L], N [auth M], O [auth N], P [auth O], Q [auth P], R [auth Q], S [auth R]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Light-harvesting complexes from bacteria

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, D [auth C], E [auth D], F [auth E] A, B, D [auth C], E [auth D], F [auth E], G [auth F], H [auth G], I [auth H], J [auth I], K [auth J], L [auth K], M [auth L], N [auth M], O [auth N], P [auth O], Q [auth P], R [auth Q], S [auth R]	PDBTM	Annotated as membrane protein by PDBTM

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, D [auth C], F [auth E], H [auth G], J [auth I], A, D [auth C], F [auth E], H [auth G], J [auth I], L [auth K], N [auth M], P [auth O], R [auth Q]	CXM	Parent Component: MET RESID: AA0363 , AA0493 PSI-MOD : N-carboxy-L-methionine MOD:00368 , N-(dihydroxymethyl)-L-methionine (fMet) MOD:01446 , N-(dihydroxymethyl)-L-methionine (Met) MOD:01447

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 R01GM133198.