Annotations: 2X2V

Structural basis of a novel proton-coordination type in an F1Fo-ATP synthase rotor ring

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
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
Protein Modification Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PapD_N	e2x2vA1	A: a/b three-layered sandwiches	X: Retrovirus capsid protein	H: Ubiquitin-related	T: Ubiquitin-like	F: PapD_N	ECOD (v294.1)
C	Sdh_cyt	e2x2vC1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
D	Sdh_cyt	e2x2vD1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
F	Sdh_cyt	e2x2vF1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
G	Sdh_cyt	e2x2vG1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
H	Sdh_cyt	e2x2vH1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
J	Sdh_cyt	e2x2vJ1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
M	Sdh_cyt	e2x2vM1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
L	Sdh_cyt	e2x2vL1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
K	Sdh_cyt	e2x2vK1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
I	Sdh_cyt	e2x2vI1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
E	Sdh_cyt	e2x2vE1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)
B	Sdh_cyt	e2x2vB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Sdh_cyt	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
C	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
D	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
F	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
G	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
H	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
J	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
M	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
L	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
K	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
I	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
E	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)
B	1.20.20.10	Mainly Alpha	Up-down Bundle	F1FO ATP Synthase	F1F0 ATP synthase subunit C	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	PF00137	ATP synthase subunit C (ATP-synt_C)	ATP synthase subunit C	This domain is found in the subunit c of ATP synthases and similar sequences from all cellular organisms. It forms two alpha-helices [1-4].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	ATP SYNTHASE SUBUNIT C	binding lipid binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity monoatomic ion channel activity proton channel activity proton-transporting ATP synthase activity, rotational mechanism monoatomic cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity binding lipid binding monoatomic cation transmembrane transporter activity proton transmembrane transporter activity monoatomic ion channel activity proton channel activity proton-transporting ATP synthase activity, rotational mechanism monoatomic cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity catalytic activity ligase activity	-	cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex proton-transporting two-sector ATPase complex membrane protein complex proton-transporting two-sector ATPase complex, proton-transporting domain respiratory chain complex catalytic complex proton-transporting ATP synthase complex cation channel complex transporter complex transmembrane transporter complex cell periphery cellular anatomical structure plasma membrane membrane protein-containing complex proton-transporting two-sector ATPase complex membrane protein complex proton-transporting two-sector ATPase complex, proton-transporting domain respiratory chain complex catalytic complex proton-transporting ATP synthase complex cation channel complex transporter complex transmembrane transporter complex monoatomic ion channel complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	IPR035921	F/V-ATP synthase subunit C superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	IPR005953	ATP synthase, F0 complex, subunit C, bacterial/chloroplast	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	IPR038662	F1F0 ATP synthase subunit C superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	IPR020537	ATP synthase, F0 complex, subunit C, DCCD-binding site	Binding Site
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	IPR000454	ATP synthase, F0 complex, subunit C	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	IPR002379	V-ATPase proteolipid subunit C-like domain	Domain

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	OPM	Transmembrane	Alpha-helical polytopic	Proton or Sodium translocating F-type, V-type and A-type ATPases	V-type and F-type ATPases

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	F-type ATPase	Rotor (c₁₃) of H⁺-dependent F-ATP Synthase

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M	FME	Parent Component: MET : AA0021 , AA0566 : N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891

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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.