ATP synthase, F1 beta subunit (IPR020971)

Short name: ATP_synth_F1_beta_su

Overlapping homologous superfamilies


Domain relationships



F-type ATPases have 2 components, CF1 - the catalytic core - and CF0 - the membrane proton channel. CF1 has five subunits: alpha3, beta3, gamma1, delta1, epsilon1. CF0 has three main subunits: a, b and c. This entry represents the beta subunit of the F1 component.

The NMR solution structure of the protein in SDS micelles was found to contain two helices, an N-terminal amphipathic alpha-helix and a C-terminal alpha-helix separated by a large unstructured internal domain. The N-terminal alpha-helix is the Tom20 receptor binding site whereas the C-terminal alpha-helix is located upstream of the mitochondrial processing peptidase cleavage site [PMID: 15037074].

GO terms

Biological Process

GO:0006754 ATP biosynthetic process

Molecular Function

GO:0005524 ATP binding
GO:0016887 ATPase activity

Cellular Component

GO:0000275 mitochondrial proton-transporting ATP synthase complex, catalytic core F(1)

Contributing signatures

Signatures from InterPro member databases are used to construct an entry.