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5.5.1.4: inositol-3-phosphate synthase

This is an abbreviated version!
For detailed information about inositol-3-phosphate synthase, go to the full flat file.

Word Map on EC 5.5.1.4

Reaction

D-glucose 6-phosphate
=
1D-myo-inositol 3-phosphate

Synonyms

1D-myo-inositol 3-phosphate synthase, 1L-myo-Inositol-1-phosphate synthase, AtMIPS1, AtMIPS2-1, AtMIPS3, CaMIPS1, CaMIPS2, D-Glucose 6-phosphate cycloaldolase, D-Glucose 6-phosphate-1L-myoinositol 1-phosphate cyclase, D-Glucose 6-phosphate-1L-myoinositol 1-phosphate cycloaldolase, D-Glucose 6-phosphate-L-myo-inositol 1-phosphate cyclase, D-Glucose-6-phosphate,L-myo-inositol-1-phosphate cycloaldolase, D-myo-inositol-3-phosphate synthase, Glucocycloaldolase, Glucose 6-phosphate cyclase, Glucose-6-phosphate inositol monophosphate cycloaldolase, INO-1, INO-2, INO1, Ino1p, iNOS, Inositol 1-phosphate synthase, Inositol 1-phosphate synthetase, inositol 3-phosphate synthase, inositol phosphate synthase, inositol-1-phosphate synthase, inositol-3-phosphate synthase, INPS, INPS1, INS (3) P1 synthase, IP synthase, IPS, L-myo-inositol 1-phosphate synthase, L-myo-Inositol 1-phosphate synthetase, L-myo-Inositol-1-phosphate synthase, MI-1-P synthase, MIP synthase, MIPS, MIPS1, MIPS2, myo-D-inositol 3-phosphate synthase, myo-inositol 1-phosphate synthase, myo-inositol 3-phosphate synthase, myo-inositol phosphate synthase, myo-Inositol-1-P synthase, Myo-inositol-1-phosphate synthase, myo-inositol-3-phosphate synthase, OsMIPS1, OsMIPS1-1, OsMIPS1-2, OsMIPS1-3, OsMIPS2, PcINO1, PINO1 protein, PIP synthase, PIPS, RINO1 protein, SaINO1, sll1981, Synthase, myo-inositol 1-phosphate, TaMIPS1, TaMIPS2, tbINO, yMIP synthase, [Ins(3)P1] synthase

ECTree

     5 Isomerases
         5.5 Intramolecular lyases
             5.5.1 Intramolecular lyases (only sub-subclass identified to date)
                5.5.1.4 inositol-3-phosphate synthase

pH Range

pH Range on EC 5.5.1.4 - inositol-3-phosphate synthase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5 - 10
-
34% of maximal activity at pH 9.0, low activity below pH 5.0, inactive above pH 11.0
6.5 - 9.5
-
pH 6.5: about 50% of maximal activity, pH 8.5: about 95% of maximal activity
7 - 7.5
optimal activity