Ligand 2-mercaptopropionic acid

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Basic Ligand Information

Molecular Structure
Picture of 2-mercaptopropionic acid (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C3H6O2S
2-mercaptopropionic acid
PMNLUUOXGOOLSP-UHFFFAOYSA-N
Synonyms:
2-mercaptopropanoic acid, 2-mercaptopropionate, carboxyethylthiol, thiolactate

Roles as Enzyme Ligand

Substrate in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
LITERATURE
REACTION DIAGRAM
REACTION
ENZYME 3D STRUCTURE
show the reaction diagram
O-acetyl-L-homoserine + 2-mercaptopropionate = S-methylcarboxymethyl-L-homocysteine + acetate
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show the reaction diagram
L-homoserine + 2-mercaptopropionate = S-methylcarboxymethyl-L-homocysteine
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Product in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
LITERATURE
REACTION DIAGRAM
REACTION
ENZYME 3D STRUCTURE
show the reaction diagram
benzyloxycarbonyl-Ala carboxyethylthioester + H2O = benzyloxycarbonyl-Ala + carboxyethylthiol
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Activator in Enzyme-catalyzed Reactions (2 results)

COMMENTARY
EC NUMBER
LITERATURE
ENZYME 3D STRUCTURE

Inhibitor in Enzyme-catalyzed Reactions (5 results)

COMMENTARY
EC NUMBER
LITERATURE
ENZYME 3D STRUCTURE
uncompetitive inhibitor with respect to 3-mercaptopyruvate
-
5 mM, isoform LeARG1, 38% residual activity, LeARG2, 38% residual activity; 5 mM, isoform LeARG1, 38% residual activity, LeARG2, 38% residual activity
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Enzyme Kinetic Parameters

KM Value (1 result)

COMMENTARY
EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
LITERATURE
-
1.2
-

References & Links

Links to other databases for 2-mercaptopropionic acid

ChEBI
PubChem
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PubChem