6Q53

CRYSTAL STRUCTURE OF THE LIGHT-HARVESTING COMPLEX II (B800-850) FROM Ectothiorhodospira haloalkaliphila

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Light-harvesting complex subunits	8095609	3000199	SCOP2B (2022-06-29)
D [auth E]	SCOP2 Family	Light-harvesting complex subunits	8095608	4003043	SCOP2 (2022-06-29)
D [auth E]	SCOP2 Superfamily	Light-harvesting complex subunits	8095609	3000199	SCOP2 (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	UNK_F_TYPE	e6q53A1	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: UNK_F_TYPE	ECOD (1.6)
C [auth D]	UNK_F_TYPE	e6q53D1	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: UNK_F_TYPE	ECOD (1.6)
B	LHC_like	e6q53B1	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: LHC_like	ECOD (1.6)
D [auth E]	LHC_like	e6q53E1	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: LHC_like	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D [auth E]	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, C [auth D]	light-harvesting protein subunit alpha	-	-	-
B, D [auth E]	Light-harvesting protein B:800-850 subunit beta	electron transfer activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity chlorophyll binding binding bacteriochlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction metabolic process cellular process generation of precursor metabolites and energy	cell periphery cellular anatomical structure plasma membrane membrane membrane-bounded organelle plasma membrane light-harvesting complex protein-containing complex intracellular anatomical structure intracellular vesicle plasma membrane-derived chromatophore light-harvesting complex intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle cell periphery cellular anatomical structure plasma membrane membrane membrane-bounded organelle plasma membrane light-harvesting complex protein-containing complex intracellular anatomical structure intracellular vesicle plasma membrane-derived chromatophore light-harvesting complex intracellular membrane-bounded organelle intracellular organelle cytoplasmic vesicle organelle cytoplasm vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D [auth E]	IPR000066	Antenna complex, alpha/beta subunit	Domain
B, D [auth E]	IPR023624	Antenna complex, beta domain superfamily	Homologous Superfamily
B, D [auth E]	IPR035889	Light-harvesting complex	Homologous Superfamily
B, D [auth E]	IPR002362	Light-harvesting protein B beta chain	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
B, D [auth E]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Light-harvesting complexes from bacteria

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
B, D [auth E]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
B, D [auth E]	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.