CATH Domain 2b3zC01

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CATH Classification

Level	CATH Code	Description
	3	Alpha Beta
	3.40	3-Layer(aba) Sandwich
	3.40.140	Cytidine Deaminase; domain 2
	3.40.140.10	Cytidine Deaminase, domain 2

Domain Context

CATH Clusters

Superfamily	Cytidine Deaminase, domain 2
Functional Family

Enzyme Information

1.1.1.193	5-amino-6-(5-phosphoribosylamino)uracil reductase. based on mapping to UniProt P17618 5-amino-6-(5-phospho-D-ribitylamino)uracil + NADP(+) = 5-amino-6- (5-phospho-D-ribosylamino)uracil + NADPH.
3.5.4.26	Diaminohydroxyphosphoribosylaminopyrimidine deaminase. based on mapping to UniProt P17618 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)pyrimidine + H(2)O = 5-amino-6-(5-phosphoribosylamino)uracil + NH(3). -!- The substrate is the product of EC 3.5.4.25.

UniProtKB Entries (1)

RIBD_BACSU

Bacillus subtilis subsp. subtilis str. 168

Riboflavin biosynthesis protein RibD

PDB Structure

PDB	2B3Z
External Links	PDBSum Proteopedia
Method	X-RAY DIFFRACTION
Organism	Escherichia
Primary Citation	Crystal structure of a bifunctional deaminase and reductase involved in riboflavin biosynthesis Chen, S.J., Chang, Y.C., Liaw, S.H. To be Published