Homologous Superfamily

Cytidine deaminase-like (IPR016193)

Short name: Cytidine_deaminase-like

Overlapping entries


This superfamily represents a structural domain with a core fold consisting of alpha-beta(2)-(alpha-beta)2 that folds into three layers (alpha/beta/alpha); some members may contain an extra C-terminal strand. This domain is found in several types of proteins, including:

  • Cytidine deaminase (EC:, including both mono-domain enzymes [PMID: 15689149] and two-domain enzymes that arose through a duplication and which contain extra helices in the N-terminal domain [PMID: 8634261].
  • Deoxycytidylate (dCMP) deaminase (EC: [PMID: 15504034].
  • Guranine deaminase GuaD (EC: [PMID: 15180998].
  • Cytosine deaminase (EC: [PMID: 2906827].
  • AICAR transformylase domain (EC: of the bifunctional purine biosynthesis enzyme ATIC; this protein consists of two domains of this fold with extra secondary structures within and in between the two core motifs [PMID: 11323713].
  • Hypothetical protein TM1506 from Thermotoga maritima also contains a domain of this structure.

GO terms

Biological Process

No terms assigned in this category.

Molecular Function

GO:0003824 catalytic activity

Cellular Component

No terms assigned in this category.

Contributing signatures

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