IUBMB Enzyme Nomenclature


Accepted name: 5-phytase

Reaction: myo-inositol hexakisphosphate + H2O = 1L-myo-inositol 1,2,3,4,6-pentakisphosphate + phosphate

Systematic name: myo-inositol-hexakisphosphate 5-phosphohydrolase

Comments: The enzyme attacks the product of the above reaction more slowly to yield Ins(1,2,3)P3.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number: 357208-41-4


1. Barrientos, L., Scott, J.J. and Murthy, P.P. Specificity of hydrolysis of phytic acid by alkaline phytase from lily pollen. Plant Physiol. 106 (1994) 1489-1495. [PMID: 7846160]

[EC created 2002]

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