Annotations: 9KZH

Cryo-EM structure of the RC complex from Rhodospirillum rubrum

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth L]	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8103953	3000736	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 L]	Beta-Casp	e9kzhL1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
C [auth H]	Beta-Casp	e9kzhH1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)
B [auth M]	Beta-Casp	e9kzhM1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: Beta-Casp	ECOD (v295)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth L]	Reaction center protein L chain	chlorophyll binding binding bacteriochlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain photosynthetic electron transport in photosystem II metabolic process cellular process generation of precursor metabolites and energy	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane intracellular membraneless organelle plasma membrane-derived chromatophore intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm photosynthetic membrane thylakoid membrane-bounded organelle plasma membrane light-harvesting complex intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane intracellular membraneless organelle plasma membrane-derived chromatophore intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm photosynthetic membrane thylakoid membrane-bounded organelle plasma membrane light-harvesting complex protein-containing complex intracellular vesicle light-harvesting complex intracellular membrane-bounded organelle cytoplasmic vesicle vesicle
C [auth H]	Photoreaction center protein H	-	photosynthesis photosynthesis, light reaction metabolic process cellular process generation of precursor metabolites and energy	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 cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle
B [auth M]	Reaction center protein M chain	chlorophyll binding binding bacteriochlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain photosynthetic electron transport in photosystem II metabolic process cellular process generation of precursor metabolites and energy	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane intracellular membraneless organelle plasma membrane-derived chromatophore intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm photosynthetic membrane thylakoid membrane-bounded organelle plasma membrane light-harvesting complex intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane intracellular membraneless organelle plasma membrane-derived chromatophore intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm photosynthetic membrane thylakoid membrane-bounded organelle plasma membrane light-harvesting complex protein-containing complex intracellular vesicle light-harvesting complex intracellular membrane-bounded organelle cytoplasmic vesicle vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth L]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
A [auth L]	IPR000484	Photosynthetic reaction centre, L/M	Family
A [auth L]	IPR055265	Photosynthetic reaction centre, L/M, conserved site	Conserved Site
A [auth L]	IPR005871	Photosynthetic reaction centre, L subunit	Family
C [auth H]	IPR014747	Bacterial photosynthetic reaction centre, H-chain, C-terminal	Homologous Superfamily
C [auth H]	IPR015810	Photosynthetic reaction centre, H subunit, N-terminal	Domain
C [auth H]	IPR005652	Photosynthetic reaction centre, H subunit	Family
C [auth H]	IPR037097	Photosynthetic reaction centre, H subunit, N-terminal domain superfamily	Homologous Superfamily
C [auth H]	IPR011033	PRC-barrel-like superfamily	Homologous Superfamily
C [auth H]	IPR027275	PRC-barrel domain	Domain
B [auth M]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
B [auth M]	IPR005781	Photosynthetic reaction centre, M subunit	Family
B [auth M]	IPR000484	Photosynthetic reaction centre, L/M	Family
B [auth M]	IPR055265	Photosynthetic reaction centre, L/M, conserved site	Conserved Site

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

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.

9KZH | pdb_00009kzh

Cryo-EM structure of the RC complex from Rhodospirillum rubrum

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage