8B37

Crystal structure of Pyrobaculum aerophilum potassium-independent proton pumping membrane integral pyrophosphatase in complex with imidodiphosphate and magnesium, and with bound sulphate

External Resource: Annotation

Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03030	Inorganic H+ pyrophosphatase (H_PPase)	Inorganic H+ pyrophosphatase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	K(+)-insensitive pyrophosphate-energized proton pump	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding pyrophosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity inorganic diphosphate phosphatase activity hydrolase activity, acting on acid anhydrides catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding pyrophosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity inorganic diphosphate phosphatase activity hydrolase activity, acting on acid anhydrides catalytic activity monoatomic cation transmembrane transporter activity proton transmembrane transporter activity primary active transmembrane transporter activity active monoatomic ion transmembrane transporter activity active transmembrane transporter activity inorganic molecular entity transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity transmembrane transporter activity diphosphate hydrolysis-driven proton transmembrane transporter activity	-	cell periphery plasma membrane membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004131	Pyrophosphate-energised proton pump	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B	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.