Ligand tetrahydrosarcinapterin

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Basic Ligand Information

Molecular Structure
Picture of tetrahydrosarcinapterin (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C35H52N7O19P
tetrahydrosarcinapterin
DOMRFGVDYQUXCH-GPQOPNTJSA-N
Synonyms:
5,6,7,8-tetrahydrosarcinapterin, H4SPt


Show all pahtways known for Show all BRENDA pathways known for tetrahydrosarcinapterin

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
a [methyl-Co(III) corrinoid Fe-S protein] + tetrahydrosarcinapterin = a [Co(I) corrinoid Fe-S protein] + 5-methyltetrahydrosarcinapterin
show the reaction diagram
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In Vivo Product in Enzyme-catalyzed Reactions (3 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
5-methyl-5,6,7,8-tetrahydrosarcinapterin + coenzyme M = 5,6,7,8-tetrahydrosarcinapterin + methyl-coenzyme M
show the reaction diagram
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Substrate in Enzyme-catalyzed Reactions (3 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
tetrahydrosarcinapterin + acetyl-SCoA + H2O = methyltetrahydrosarcinapterin + CO2 + CoASH
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a [methyl-Co(III) corrinoid Fe-S protein] + tetrahydrosarcinapterin = a [Co(I) corrinoid Fe-S protein] + 5-methyltetrahydrosarcinapterin
show the reaction diagram
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CH3-CO-S-CoA + tetrahydrosarcinapterin + H2O = CH3-tetrahydrosarcinapterin + CO2 + H+ + electron
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Product in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
CH3-H4SPt + cob(I)amide-protein + H+ = H4SPt + CH3-cob(III)amide-protein
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5-methyl-5,6,7,8-tetrahydrosarcinapterin + coenzyme M = 5,6,7,8-tetrahydrosarcinapterin + methyl-coenzyme M
show the reaction diagram
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CH3-tetrahydrosarcinapterin + CO + HS-CoA = CH3-CO-S-CoA + tetrahydrosarcinapterin
show the reaction diagram
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H2 + CO2 + CH3-H4SPt + CoASH = acetyl-CoA + H4SPt + H2O
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Enzyme Kinetic Parameters

kcat Value (Turnover Number) (1 result)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
14.7
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pH 7.6, 25C

KM Value (1 result)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.002
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pH 7.6, 25C

References & Links

Links to other databases for tetrahydrosarcinapterin

ChEBI
PubChem
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PubChem