| 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) |
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| 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) |
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| myo-inositol-1-phosphate dehydrogenase | <enzyme> Requires nad+, forms ribulose 5-phosphate Registry number: EC 1.1.1.- Synonym: inositol-1-phosphate dehydrogenase (26 Jun 1999) |
| myo-inositol-1-phosphate synthase | <enzyme> An enzyme that catalyses the formation of myo-inositol-1-phosphate from glucose-6-phosphate in the presence of NAD. Chemical name: 1L-myo-Inositol-1-phosphate lyase (isomerizing) Registry number: EC 5.5.1.4 (12 Dec 1998) |
| 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 phosphate | Virtually all of the possible phosphorylated states of inositol have been reported to occur in living tissues. The hexaphosphate, phytic acid, is abundant in many plant tissues and is a powerful calcium chelator. See: phosphatidyl inositol 3 kinase. (18 Nov 1997) |
| adenosine 3',5'-cyclic phosphate phosphodiesterase | <enzyme> An enzyme that catalyses the hydrolysis of adenosine 3',5'-cyclic phosphate forming 5'-AMP. A crucial step in the regulation of cellular adenosine 3',5'-cyclic phosphate levels. Inhibited by caffeine. Synonym: cAMP phosphodiesterase. (05 Mar 2000) |
| adenosine cyclic phosphate | An activator of phosphorylase kinase and an effector of other enzymes, formed in muscle from ATP by adenylate cyclase and broken down to 5'-AMP by a phosphodiesterase; sometimes referred to as the "second messenger." A related compound (2',3') is also known. Synonym: cyclic adenylic acid, cyclic AMP, cyclic phosphate. Acronym: cAMP (05 Mar 2000) |
| cyclic phosphate | An activator of phosphorylase kinase and an effector of other enzymes, formed in muscle from ATP by adenylate cyclase and broken down to 5'-AMP by a phosphodiesterase; sometimes referred to as the "second messenger." A related compound (2',3') is also known. Synonym: cyclic adenylic acid, cyclic AMP, cyclic phosphate. Acronym: cAMP (05 Mar 2000) |
| UDPacetylglucosamine-dolichyl-phosphate acetylglucosamine-1-phosphate transferase | <enzyme> Transfers n-acetylglucosamine 1-phosphate from udp-n-acetylglucosamine to dolichyl phosphate, forming n-acetylglucosaminylpyrophosphoryldolichol Chemical name: udp-glcnac-dolichyl-phosphate glcnac-1-phosphate transerase Registry number: EC 2.7.8.15 Synonym: n-acetylglucosamine-1-phosphate transferase, dol-p-p-glcnac synthase, dolichol pathway enzyme I, udp-acetylglucosamine-dolichol phosphate acetylglucosamine-1-phosphate transferase, glcnac-dp-1-phosphotransferase, udp-n-acetyl-d-glucosamine-dolichyl-phosphate n-acetyl-d-glucosaminephosphotransferase, dolichol-p-dependent n-acetylglucosamine-1-phosphate transferase, alg7 gene product (26 Jun 1999) |
| UDP-GlcNAc-undecaprenyl phosphate N-acetylglucosaminyl 1-phosphate transferase | <enzyme> Catalyses transfer of n-acetylglucosamine 1-phosphate from udp-glcnac to undecaprenyl phosphate Registry number: EC 2.7.8.- Synonym: glcnac-p-p-und synthase, gpt enzyme (26 Jun 1999) |
| glycosyl phosphatidyl inositol | gPI anchor |
| meso-inositol | 1. Generic term for any isomer of meso-inositol in which the hydroxyl groups are so arranged that the molecule as a whole possesses a plane of symmetry and is optically inactive. 2. Former name for myo-inositol. (05 Mar 2000) |
| myo-inositol | 1,2,3,5/4,6-Inositol;a constituent of various phosphatidylinositols and the most widely distributed form of inositol found in microorganisms, higher plants, and animals. In plants, it is found as phytic acid and as phytin; partially phosphorylated and free forms occur throughout nature, and in many tissues. (05 Mar 2000) |
| myo-inositol 1,4,5-triphosphate phosphatase | <enzyme> Neutral pH optimum; magnesium dependent Registry number: EC 3.1.- Synonym: i-p3ase, inositol 1,4,5-triphosphate phosphatase (26 Jun 1999) |
| myo-inositol-1 (or 4)-monophosphatase | <enzyme> Acts on inositol 1-phosphate, inositol 3-phosphate or inositol 4-phosphate; suhb gene product from e. Coli has been sequenced; do not confuse with impa protein Registry number: EC 3.1.3.25 Synonym: 1l-myo-inositol-1-phosphate phosphohydrolase, inositol-1-phosphate phosphohydrolase, myo-inositol-1-phosphatase, inositol phosphatase, myo-inositol monophosphatase, 1l-myo-inositol-1-phosphatase, inositol monophosphatase, suhb gene product, inositol monophosphate phosphatase impa (26 Jun 1999) |