The name of this superfamily has been modified since the most recent official CATH+ release (v4_4_0). At the point of the last release, this superfamily was named:

"
NIF3 (NGG1p interacting factor 3)-like
".

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
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FunFam 1: GTP cyclohydrolase 1 type 2

There are 1 EC terms in this cluster

Please note: EC annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

Note: The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.

EC Term Annotations Evidence
GTP cyclohydrolase I. [EC: 3.5.4.16]
GTP + H(2)O = formate + 2-amino-4-hydroxy-6-(erythro-1,2,3- trihydroxypropyl)-dihydropteridine triphosphate.
  • The reaction involves hydrolysis of two C-N bonds and isomerization of the pentose unit; the recyclization may be non-enzymic.
  • Involved in the de novo synthesis of tetrahydrobiopterin from GTP, with the other enzymes involved being EC 1.1.1.153 and EC 4.2.3.12.
13 A0A1W0VMH0 A0A1W0VMH0 A0A1Y3E309 A0A1Y3E309 A0A1Y3E309 A0A2J9KIH9 A0A2J9KIH9 A0A2J9KIH9 O25613 O25613
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