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Ligand pinitol Please wait a moment until all data is loaded. This message will disappear when all data is loaded.
Basic Ligand Information Molecular Structure
C7 H1 4 O6
pinitol
DSCFFEYYQKSRSV-KLJZZCKASA-N
(+)-pinitol, (-)-pinitol, 1D-3-O-methyl-chiro-inositol, 5D-5-O-Methyl-chiro-inositol, D-pinitol, Quebrachitol
Roles as Enzyme Ligand
In Vivo Substrate in Enzyme-catalyzed Reactions (2 results)Please wait a moment until the data is sorted. This message will disappear when the data is sorted.
5D-5-O-methyl-chiro-inositol + NADP+ = 5D-5-O-methyl-2,3,5/4,6-pentahydroxycyclohexanone + NADPH + H+
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pinitol + NADH + H+ = ?
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Substrate in Enzyme-catalyzed Reactions (4 results)
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5D-5-O-methyl-chiro-inositol + NADP+ = 5D-5-O-methyl-2,3,5/4,6-pentahydroxycyclohexanone + NADPH + H+
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pinitol + NADH + H+ = ?
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1-alpha-D-galactosyl-myo-inositol + D-pinitol = myo-inositol + galactopinitol A
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1-alpha-D-galactosyl-myo-inositol + D-pinitol = myo-inositol + galactopinitol A
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Product in Enzyme-catalyzed Reactions (3 results)
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L-chiro-inositol + S-adenosyl-L-methionine = quebrachitol + pinitol + S-adenosyl-L-homocysteine
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D-chiro-inositol + S-adenosyl-L-methionine = quebrachitol + S-adenosyl-L-homocysteine
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L-chiro-inositol + S-adenosyl-L-methionine = quebrachitol + pinitol + S-adenosyl-L-homocysteine
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Activator in Enzyme-catalyzed Reactions (2 results)
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0.4 M results in maintenance of activity to 90% and 50% during heat treatment
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0.4 M, 74.2% residual activity after 60°C heat treatment
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Inhibitor in Enzyme-catalyzed Reactions (2 results)
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Enzyme Kinetic Parameters
KM Value (1 result)
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References & Links Literature References (8)
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Enzymic epimerization of sequoyitol to D-pinitol in Trifolium incarnatum
1969
Ruis, H.; Hoffmann-Ostendorf, O.
Eur. J. Biochem.
7
442-448
Biosynthesis of cyclitols. 23. A soluble enzyme from pea seedlings methylating myo-inositol to D-bornesitol
1969
Wagner, I.; Hofmann, H.; Hoffmann-Ostenhof, O.
Hoppe-Seyler's Z. Physiol. Chem.
350
1460-1464
Purification and characterization of stachyose synthase from lentil (Lens culinaris) seeds: galactopinitol and stachyose synthesis
1999
Hoch, G.; Peterbauer, T.; Richter, A.
Arch. Biochem. Biophys.
366
75-81
Chain Elongation of raffinose in pea seeds. Isolation, characterization, and molecular cloning of mutifunctional enzyme catalyzing the synthesis of stachyose and verbascose
2002
Peterbauer, T.; Mucha, J.; Mach, L.; Richter, A.
J. Biol. Chem.
277
194-200
Functional expression of a cDNA encoding pea (Pisum sativum L.) raffinose synthase, partial purification of the enzyme from maturing seeds, and steady-state kinetic analysis of raffinose synthesis
2002
Peterbauer, T.; Mach, L.; Mucha, J.; Richter, A.
Planta
215
839-846
Cyclitols protect glutamine synthetase and malate dehydrogenase against heat induced deactivation and thermal denaturation
2006
Jaindl, M.; Popp, M.
Biochem. Biophys. Res. Commun.
345
761-765
Identification of two scyllo-inositol dehydrogenases in Bacillus subtilis
2010
Morinaga, T.; Ashida, H.; Yoshida, K.
Microbiology
156
1538-1546
Mycobacterium tuberculosis shikimate kinase inhibitors: design and simulation studies of the catalytic turnover
2013
Blanco, B.; Prado, V.; Lence, E.; Otero, J.M.; Garcia-Doval, C.; van Raaij, M.J.; Llamas-Saiz, A.L.; Lamb, H.; Hawkins, A.R.; Gonzalez-Bello, C.
J. Am. Chem. Soc.
135
12366-12376
Links to other databases for pinitol
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