| cyclic inositol phosphate | 1, 2 cyclic derivatives of inositol phosphatide that are invariably formed during enzymic hydrolysis of phosphatidyl inositol species. Have been proposed as second messengers in hormone activated pathways. (18 Nov 1997) |
|---|---|
| SH2-containing inositol phosphatase | <enzyme> 145-kD protein with both phosphatidylinositol 3,4,5-trisphosphate and inositol 1,3,4,5-tetrakisphosphate polyphosphate 5-phosphatase activity; associates with shc in response to multiple cytokines; genbank u39203 and y14385 Registry number: EC 3.1.3.- Synonym: ship protein, inpp5d gene product, sh2- and sh3-containing inositol polyphosphate-5-phosphatase, pp135 ship, ship2 protein (26 Jun 1999) |
| D-myo-inositol-3-phosphate synthase | <enzyme> Catalyses conversion of d-glucose-6-phosphate to d-myo-inositol-3-phosphate Registry number: EC 5.5.1.- Synonym: inositol-3-phosphate synthase, ins3p synthase (26 Jun 1999) |
| inositol | A cyclic hexahydric alcohol with 6 possible isomers. The biologically active form is myo inositol. (18 Nov 1997) |
| inositol 1,2,3,4,6-pentakisphosphate-2-phoshomonoesterase | <enzyme> Metabolises ins(1,2,3,4,6)p5 to ins(1,3,4,6)p4 Registry number: EC 3.1.3.- Synonym: 1,2,3,4,5-insp5-2-p monoesterase (26 Jun 1999) |
| inositol 1,2,3,5,6-pentakisphosphate 5-phosphatase | <enzyme> From foetal calf thymus; inhibited by thiol modifiers Registry number: EC 3.1.3.- Synonym: 1,2,3,5,6-insp5-5-phosphatase, ins(1,2,3,5,6)p5 5-phosphatase, insp5 5-phosphatase (26 Jun 1999) |
| inositol 1,3,4,5,6-pentakisphosphate-1-3-phosphatase | <enzyme> Removes a phosphate group at the 1 or 3 position or at both positions of ins(1,3,4,5,6)p5 Registry number: EC 3.1.3.- Synonym: 1,3,4,5,6-insp5-1-3-phosphatase (26 Jun 1999) |
| inositol 1,3,4,5-tetrakisphosphate 3-phosphatase | <enzyme> From rat liver; forms inositol-1,4,5-triphosphate Registry number: EC 3.1.3.62 Synonym: inositol 1,3,4,5-tetrakisphosphate 3-phosphomonoesterase, ins(1,3,4,5)p4 3-phosphatase, multiple inositol polyphosphate phosphatase, mipp enzyme (26 Jun 1999) |
| inositol 1,3,4,5-tetrakisphosphate phosphomonoesterase | <enzyme> Rat liver enzyme forms inositol 1,3,4-triphosphate Registry number: EC 3.1.3.- Synonym: inositol tetrakisphosphate phosphomonoesterase, ins(1,3,4,5)p4 phosphomonoesterase, ins(1,3,4,5)p4 5-phosphatase, 1,4,5-triphosphate-1,2,4,5-tetrakisphosphate 5-phosphatase, inositol 1,3,4,5-polyphosphate 5-phosphatase (26 Jun 1999) |
| inositol-1,4-bisphosphate 1-phosphatase | <enzyme> Acts only on inositol (1,4)-bisphosphate and inositol (1,3,4)-trisphosphate Registry number: EC 3.1.3.57 Synonym: ip2 1-phosphatase, d-myo-inositol (1,4)-bisphosphate 1-phosphatase, inositol bisphosphatase, inositol-1,4-bisphosphate-1-phosphatase, myoinositol diphosphatase, inositol polyphosphate 1-phosphatase (26 Jun 1999) |
| inositol-1,4-bisphosphate 4-phosphohydrolase | <enzyme> Soluble rat brain enzyme highly specific for inositol 1,4-bisphosphate; does not act on inositol 1-phosphate or inositol 1,4,5-trisphosphate Registry number: EC 3.1.3.- Synonym: ibp 4-phosphohydrolase (26 Jun 1999) |
| inositol 1-alpha-galactosyltransferase | <enzyme> Catalyses conversion of udpgalactose plus myo-inositol to galactinol plus udp Registry number: EC 2.4.1.123 Synonym: galactinol synthase (26 Jun 1999) |
| inositol 3 kinase | <enzyme> See phosphatidyl inositol 3 kinase. (18 Nov 1997) |
| inositol cyclic 1,2-phosphate 1-phosphodiesterase | <enzyme> Converts inositol 1:2-cyclic phosphate to inositol 2-phosphate; do not confuse with inositol 1,2 cyclic-phosphate 2-phosphohydrolase see annexin III Registry number: EC 3.1.4.- Synonym: cins(1,2)p hydrolase II (26 Jun 1999) |
| inositol hexakisphosphate kinase | <enzyme> 54-kD enzyme that catalyses formation of diphosphoinositol pentakisphosphate (pp-ip5) from inositol hexakisphosphate; the reverse reaction acts as an ATP synthase Registry number: EC 2.7.4.- Synonym: ip(6) kinase (26 Jun 1999) |