Ligand S-sulfo-L-cysteine

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Basic Ligand Information

Molecular Structure
Picture of S-sulfo-L-cysteine (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C3H7NO5S2
S-sulfo-L-cysteine
NOKPBJYHPHHWAN-REOHCLBHSA-N
Synonyms:
L-cysteine-S-sulfate, L-cysteine-S-sulphate, L-cysteine S-sulfate, L-cysteine sulfonate, S-sulfocysteine

Roles as Enzyme Ligand

In Vivo Product in Enzyme-catalyzed Reactions (5 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
O-acetyl-L-Ser + S2O32- = S-sulfocysteine + ?
show the reaction diagram
-
-
O-phospho-L-serine + thiosulfate = S-sulfocysteine + phosphate
show the reaction diagram
-
-
3-phospho-L-serine + thiosulfate = S-sulfo-L-cysteine + phosphate
show the reaction diagram
-
-

Substrate in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
S-sulfo-L-cysteine = ?
show the reaction diagram
-
L-cysteine S-sulfate + H2O = ?
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (8 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
O-phospho-L-serine + thiosulfate = S-sulfocysteine + phosphate
show the reaction diagram
-
-
3-phospho-L-serine + thiosulfate = S-sulfo-L-cysteine + phosphate
show the reaction diagram
-
-

Inhibitor in Enzyme-catalyzed Reactions (11 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
74% residual activity at 5 mM
-
50 mM, 30% inhibition
-

3D Structure of Enzyme-Ligand-Complex (PDB) (22 results)

Enzyme Kinetic Parameters

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.64
-
pH 8.0, 37°C

References & Links

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

ChEBI
PubChem
ChEBI
PubChem