CATH Classification

Domain Context

CATH Clusters

Superfamily 3.40.50.1360
Functional Family Glucosamine-6-phosphate deaminase

Enzyme Information

3.5.99.6
Glucosamine-6-phosphate deaminase.
based on mapping to UniProt P0A759
Alpha-D-glucosamine 6-phosphate + H(2)O = D-fructose 6-phosphate + NH(3).
-!- Isomerization of the aldose-ketose type converts the -CH(-NH(2))-CH=O group of glucosamine 6-phosphate into -C(=NH)-CH(2)-OH, forming 2-deoxy-2-imino-D-arabino-hexitol which then hydrolyzes to yield fructose 6-phosphate and ammonia. -!- N-acetyl-D-glucosamine 6-phosphate, which is not broken down, activates the enzyme. -!- Formerly EC 5.3.1.10.

UniProtKB Entries (1)

P0A759
NAGB_ECOLI
Escherichia coli K-12
Glucosamine-6-phosphate deaminase

PDB Structure

PDB 1DEA
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Structure and catalytic mechanism of glucosamine 6-phosphate deaminase from Escherichia coli at 2.1 A resolution.
Oliva, G., Fontes, M.R., Garratt, R.C., Altamirano, M.M., Calcagno, M.L., Horjales, E.
Structure