Ligand S-carboxymethyl-L-cysteine

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Basic Ligand Information

Molecular Structure
Picture of S-carboxymethyl-L-cysteine (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C5H9NO4S
S-carboxymethyl-L-cysteine
GBFLZEXEOZUWRN-VKHMYHEASA-N
Synonyms:
(S)-carboxymethyl-L-cysteine, carboxymethyl-L-cysteine, S-carboxy-methyl-L-cysteine, S-carboxymethylcysteine

Roles as Enzyme Ligand

Substrate in Enzyme-catalyzed Reactions (10 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
S-carboxymethyl-L-cysteine + NADPH = ?
show the reaction diagram
-
S-carboxymethylcysteine + L-cysteine + L-valine + ATP = L-S-carboxymethylcysteinyl-L-cysteinyl-D-valine + AMP + diphosphate
show the reaction diagram
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Product in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
O-acetyl-L-Ser + mercaptoacetic acid = S-carboxymethyl-L-cysteine
show the reaction diagram
-
3-chloro-L-alanine + thioglycolate = S-carboxymethyl-L-cysteine + Cl-
show the reaction diagram
-

Activator in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
at 10 mM, activation
-

Inhibitor in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
33% residual activity at 10 mM
-

3D Structure of Enzyme-Ligand-Complex (PDB) (24 results)

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (1 result)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
6
-
pH 8.8, 37°C

KM Value (40 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.43
-
pH 8.8, 37°C

Ki Value (3 results)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE

References & Links

Links to other databases for S-carboxymethyl-L-cysteine

ChEBI
PubChem
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PubChem