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CATH Classification

Domain Context

CATH Clusters

Superfamily Fructose-1,6-Bisphosphatase, subunit A, domain 1
Functional Family Inositol-1-monophosphatase

Enzyme Information

3.1.3.94
D-galactose 1-phosphate phosphatase.
based on mapping to UniProt O55023
Alpha-D-galactose 1-phosphate + H(2)O = D-galactose + phosphate.
-!- The human enzyme also has the activity of EC 3.1.3.25. -!- The enzyme has very low activity with L-galactose 1-phosphate (cf. EC 3.1.3.93).
3.1.3.25
Inositol-phosphate phosphatase.
based on mapping to UniProt O55023
Myo-inositol phosphate + H(2)O = myo-inositol + phosphate.
-!- Acts on five of the six isomers of myo-inositol phosphate, all except myo-inositol 2-phosphate, but does not act on myo-inositol bearing more than one phosphate group. -!- It also acts on adenosine 2'-phosphate (but not the 3'- or 5'-phosphates), sn-glycerol 3-phosphate and glycerol 2-phosphate, but does not act on inositol bisphosphates or more phosphorylated inositols.

UniProtKB Entries (1)

O55023
IMPA1_MOUSE
Mus musculus
Inositol monophosphatase 1

PDB Structure

PDB 4AS5
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Cloning, Expression, Purification, Crystallization and X-Ray Analysis of Inositol Monophosphatase from Mus Musculus and Homo Sapiens.
Singh, N., Halliday, A.C., Knight, M., Lack, N.A., Lowe, E.D., Churchill, G.C.
Acta Crystallogr.,Sect.F
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