Annotations: 5YQ7

Cryo-EM structure of the RC-LH core complex from Roseiflexus castenholzii

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth L]	SCOP2 Family	Bacterial photosystem II reaction centre, L and M subunits	8072654	4002035	SCOP2 (2022-06-29)
D [auth L]	SCOP2 Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8072655	3000736	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)
IA [auth M]	NLRC4_HD	e5yq7M01	A: beta barrels	X: Voltage-gated ion channels	H: Voltage-gated ion channels	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: NLRC4_HD	ECOD (v294.2)
O [auth T]	NLRC4_HD	e5yq7T01	A: beta barrels	X: Voltage-gated ion channels	H: Voltage-gated ion channels	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: NLRC4_HD	ECOD (v294.2)
J [auth C]	NLRC4_HD	e5yq7C01	A: beta barrels	X: Voltage-gated ion channels	H: Voltage-gated ion channels	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: NLRC4_HD	ECOD (v294.2)
D [auth L]	NLRC4_HD	e5yq7L01	A: beta barrels	X: Voltage-gated ion channels	H: Voltage-gated ion channels	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: NLRC4_HD	ECOD (v294.2)
R [auth O]	OCD_Mu_crystall	e5yq7O1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
Q	OCD_Mu_crystall	e5yq7Q1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
P [auth S]	OCD_Mu_crystall	e5yq7S1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
N [auth U]	OCD_Mu_crystall	e5yq7U1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
M [auth W]	OCD_Mu_crystall	e5yq7W1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
L [auth G]	OCD_Mu_crystall	e5yq7G1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
K [auth I]	OCD_Mu_crystall	e5yq7I1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
I [auth K]	OCD_Mu_crystall	e5yq7K1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
H [auth 2]	OCD_Mu_crystall	e5yq721	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
G [auth 4]	OCD_Mu_crystall	e5yq741	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
F [auth 6]	OCD_Mu_crystall	e5yq761	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
E [auth 8]	OCD_Mu_crystall	e5yq781	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
C [auth 0]	OCD_Mu_crystall	e5yq701	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
B	OCD_Mu_crystall	e5yq7B1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Peptidyl-tRNA hydrolase-like	T: Peptidyl-tRNA hydrolase-like	F: OCD_Mu_crystall	ECOD (v294.2)
A [auth E]	TBP	e5yq7E1	A: beta barrels	X: Phosphorylase/hydrolase-like	H: Ribosomal protein S5 domain 2-like	T: Ribosomal protein S5 domain 2-like	F: TBP	ECOD (v294.2)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
IA [auth M]	Precursor for M subunits of photosynthetic reaction center	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	cellular anatomical structure endomembrane system 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 cellular anatomical structure endomembrane system 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
HA [auth X]	Subunit X	-	-	-
GA [auth Y]	Peptide from Precursor for L and M subunits of photosynthetic reaction center	-	-	-
AA [auth A], BA [auth 9], CA [auth 7], DA [auth 5], EA [auth 3], AA [auth A], BA [auth 9], CA [auth 7], DA [auth 5], EA [auth 3], FA [auth 1], O [auth T], S [auth V], T [auth R], U [auth P], V [auth N], W [auth J], X [auth H], Y [auth F], Z [auth D]	Alpha subunit of light-harvesting 1	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	membrane-bounded organelle intracellular organelle organelle envelope organelle inner membrane cellular anatomical structure intracellular anatomical structure organelle membrane 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 cellular anatomical structure intracellular anatomical structure organelle membrane organelle membrane cell periphery plasma membrane plasma membrane light-harvesting complex protein-containing complex intracellular vesicle plasma membrane-derived chromatophore light-harvesting complex intracellular membrane-bounded organelle cytoplasmic vesicle cytoplasm vesicle
J [auth C]	Cytochrome subunit of photosynthetic reaction center	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	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
D [auth L]	Precursor for L subunits of photosynthetic reaction center	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	cellular anatomical structure endomembrane system 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 cellular anatomical structure endomembrane system 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
A [auth E], B, C [auth 0], E [auth 8], F [auth 6], A [auth E], B, C [auth 0], E [auth 8], F [auth 6], G [auth 4], H [auth 2], I [auth K], K [auth I], L [auth G], M [auth W], N [auth U], P [auth S], Q, R [auth O]	Beta subunit of light-harvesting 1	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
IA [auth M]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
IA [auth M]	IPR000484	Photosynthetic reaction centre, L/M	Family
IA [auth M]	IPR055265	Photosynthetic reaction centre, L/M, conserved site	Conserved Site
IA [auth M]	IPR005871	Photosynthetic reaction centre, L subunit	Family
AA [auth A], BA [auth 9], CA [auth 7], DA [auth 5], EA [auth 3], AA [auth A], BA [auth 9], CA [auth 7], DA [auth 5], EA [auth 3], FA [auth 1], O [auth T], S [auth V], T [auth R], U [auth P], V [auth N], W [auth J], X [auth H], Y [auth F], Z [auth D]	IPR002361	Antenna complex, alpha subunit conserved site	Conserved Site
AA [auth A], BA [auth 9], CA [auth 7], DA [auth 5], EA [auth 3], AA [auth A], BA [auth 9], CA [auth 7], DA [auth 5], EA [auth 3], FA [auth 1], O [auth T], S [auth V], T [auth R], U [auth P], V [auth N], W [auth J], X [auth H], Y [auth F], Z [auth D]	IPR035889	Light-harvesting complex	Homologous Superfamily
J [auth C]	IPR036280	Multiheme cytochrome superfamily	Homologous Superfamily
J [auth C]	IPR023119	Multihaem cytochrome, PRC subunit superfamily	Homologous Superfamily
J [auth C]	IPR003158	Photosynthetic reaction centre, cytochrome c subunit	Family
D [auth L]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
D [auth L]	IPR000484	Photosynthetic reaction centre, L/M	Family
D [auth L]	IPR055265	Photosynthetic reaction centre, L/M, conserved site	Conserved Site
D [auth L]	IPR005871	Photosynthetic reaction centre, L subunit	Family
A [auth E], B, C [auth 0], E [auth 8], F [auth 6], A [auth E], B, C [auth 0], E [auth 8], F [auth 6], G [auth 4], H [auth 2], I [auth K], K [auth I], L [auth G], M [auth W], N [auth U], P [auth S], Q, R [auth O]	IPR000066	Antenna complex, alpha/beta subunit	Domain
A [auth E], B, C [auth 0], E [auth 8], F [auth 6], A [auth E], B, C [auth 0], E [auth 8], F [auth 6], G [auth 4], H [auth 2], I [auth K], K [auth I], L [auth G], M [auth W], N [auth U], P [auth S], Q, R [auth O]	IPR023624	Antenna complex, beta domain superfamily	Homologous Superfamily
A [auth E], B, C [auth 0], E [auth 8], F [auth 6], A [auth E], B, C [auth 0], E [auth 8], F [auth 6], G [auth 4], H [auth 2], I [auth K], K [auth I], L [auth G], M [auth W], N [auth U], P [auth S], Q, R [auth O]	IPR035889	Light-harvesting complex	Homologous Superfamily
A [auth E], B, C [auth 0], E [auth 8], F [auth 6], A [auth E], B, C [auth 0], E [auth 8], F [auth 6], G [auth 4], H [auth 2], I [auth K], K [auth I], L [auth G], M [auth W], N [auth U], P [auth S], Q, R [auth O]	IPR002362	Light-harvesting protein B beta chain	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth E], AA [auth A], B, BA [auth 9], C [auth 0] A [auth E], AA [auth A], B, BA [auth 9], C [auth 0], CA [auth 7], D [auth L], DA [auth 5], E [auth 8], EA [auth 3], F [auth 6], FA [auth 1], G [auth 4], H [auth 2], I [auth K], IA [auth M], J [auth C], K [auth I], L [auth G], M [auth W], N [auth U], O [auth T], P [auth S], Q, R [auth O], S [auth V], T [auth R], U [auth P], V [auth N], W [auth J], X [auth H], Y [auth F], Z [auth D]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Bacterial photosystems

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth E], AA [auth A], B, BA [auth 9], C [auth 0] A [auth E], AA [auth A], B, BA [auth 9], C [auth 0], CA [auth 7], D [auth L], DA [auth 5], E [auth 8], EA [auth 3], F [auth 6], FA [auth 1], G [auth 4], H [auth 2], I [auth K], IA [auth M], J [auth C], K [auth I], L [auth G], M [auth W], N [auth U], O [auth T], P [auth S], Q, R [auth O], S [auth V], T [auth R], U [auth P], V [auth N], W [auth J], X [auth H], Y [auth F], Z [auth D]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth E], AA [auth A], B, BA [auth 9], C [auth 0] A [auth E], AA [auth A], B, BA [auth 9], C [auth 0], CA [auth 7], D [auth L], DA [auth 5], E [auth 8], EA [auth 3], F [auth 6], FA [auth 1], G [auth 4], H [auth 2], I [auth K], IA [auth M], J [auth C], K [auth I], L [auth G], M [auth W], N [auth U], O [auth T], P [auth S], Q, R [auth O], S [auth V], T [auth R], U [auth P], V [auth N], W [auth J], X [auth H], Y [auth F], Z [auth D]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Light-Harvesting+Reaction Center Complexes	RC-LH core complex

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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.