Annotations: 1B9U

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1b9ua_	Peptides	Transmembrane helical fragments	Transmembrane helical fragments	Transmembrane helical fragments	Membrane domain of the subunit b of ATP synthase	( ) [TaxId: ], (Escherichia coli (strain K12) ) [TaxId: 83333 ],	SCOPe (2.08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	PROTEIN (ATP SYNTHASE)	monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity ATPase-coupled transmembrane transporter activity proton-transporting ATPase activity, rotational mechanism ATPase-coupled monoatomic cation transmembrane transporter activity ATP-dependent activity active monoatomic ion transmembrane transporter activity ATPase-coupled ion transmembrane transporter activity active transmembrane transporter activity ATPase activity, coupled to transmembrane movement of ions, rotational mechanism inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity 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 catalytic activity ligase activity	ribose phosphate metabolic process ATP metabolic process ATP biosynthetic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process purine ribonucleoside triphosphate biosynthetic process proton motive force-driven ATP synthesis nucleobase-containing compound metabolic process ribonucleotide biosynthetic process purine nucleotide metabolic process ribonucleotide metabolic process purine nucleoside triphosphate biosynthetic process nucleobase-containing small molecule metabolic process ribose phosphate metabolic process ATP metabolic process ATP biosynthetic process nucleotide biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process purine ribonucleoside triphosphate biosynthetic process proton motive force-driven ATP synthesis nucleobase-containing compound metabolic process ribonucleotide biosynthetic process purine nucleotide metabolic process ribonucleotide metabolic process purine nucleoside triphosphate biosynthetic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process purine ribonucleoside triphosphate metabolic process phosphate-containing compound metabolic process small molecule metabolic process phosphorus metabolic process ribose phosphate biosynthetic process ribonucleoside triphosphate metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process purine nucleoside triphosphate metabolic process organonitrogen compound metabolic process nucleoside triphosphate biosynthetic process proton motive force-driven plasma membrane ATP synthesis cellular metabolic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process ribonucleoside triphosphate biosynthetic process purine-containing compound metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process nucleoside triphosphate metabolic process purine ribonucleotide metabolic process purine nucleotide biosynthetic process	cell periphery plasma membrane membrane cellular anatomical entity protein-containing complex catalytic complex proton-transporting ATP synthase complex membrane protein complex cation channel complex transporter complex proton-transporting two-sector ATPase complex transmembrane transporter complex monoatomic ion channel complex proton-transporting two-sector ATPase complex, proton-transporting domain cell periphery plasma membrane membrane cellular anatomical entity protein-containing complex catalytic complex proton-transporting ATP synthase complex membrane protein complex cation channel complex transporter complex proton-transporting two-sector ATPase complex transmembrane transporter complex monoatomic ion channel complex proton-transporting two-sector ATPase complex, proton-transporting domain proton-transporting ATP synthase complex, coupling factor F(o)

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002146	ATP synthase, F0 complex, subunit b/b', bacterial/chloroplast	Family
A	IPR005864	ATP synthase, F0 complex, subunit b, bacterial	Family
A	IPR028987	F-type ATP synthase subunit B-like, membrane domain superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Peptides	Alpha-helical peptides	Peptides of transmembrane proteins	Peptides of ATP synthase subunit b

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A	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 R01GM133198.