Ligand S2-

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Basic Ligand Information

Molecular Structure
Picture of S2- (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
S
S2-
UCKMPCXJQFINFW-UHFFFAOYSA-N
Synonyms:
sulphide

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE

Substrate in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE

Product in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
SO32- + FMNH2 = S2- + FMN + H2O
show the reaction diagram
-
-
L-cystine = pyruvate + NH4+ + S2- + L-cysteine
show the reaction diagram
-
-

Inhibitor in Enzyme-catalyzed Reactions (5 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
partial inhibitor
-
-
-

Metals and Ions (3 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
contains a [NiFe4S5] center called cluster C
-
Mo-GAPOR expressed in Escherichia coli strain BL21(DE3) is estimated to contain 6.1 g-atoms of acid-labile sulfide per mol of protein
-
enhances activity
-

Enzyme Kinetic Parameters

KM Value (3 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.6
-
pH 7.5, 30°C

Ki Value (2 results)

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

References & Links

Links to other databases for S2-

ChEBI
PubChem
-
PubChem