Ribulose bisphosphate carboxylase, type III (IPR017712)

Short name: RuBisCO_III

Overlapping homologous superfamilies

Family relationships

  • RuBisCO (IPR033966)
    • Ribulose bisphosphate carboxylase, type III (IPR017712)


Type III ribulose bisphosphate carboxylase (RuBisCO) is composed of a large chain homodimer in a "head-to-tail" conformation. In contrast to type I RuBisCO, type III RuBisCO is composed solely of large subunits [PMID: 12730164], or RuBisCO. These proteins act in a three-step pathway for conversion of the sugar moiety of AMP to two molecules of 3-phosphoglycerate [PMID: 17303759]. Many of these species in this entry use ADP-dependent sugar kinases, which form AMP, for glycolysis.

GO terms

Biological Process

GO:0015977 carbon fixation

Molecular Function

GO:0016984 ribulose-bisphosphate carboxylase activity

Cellular Component

No terms assigned in this category.

Contributing signatures

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