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BRENDA support

Ligand questin

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Basic Ligand Information

Molecular Structure
Picture of questin (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
Molfile
C16H12O5
questin
UUNPIWCQMVNINR-UHFFFAOYSA-N
Synonyms:
8-methyl-emodin

Related pathways

Pathway Source
Pathways
MetaCyc
geodin biosynthesis

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
questin + NADPH + H+ + O2 = demethylsulochrin + NADP+
show the reaction diagram
-

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

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
S-adenosyl-L-methionine + emodin = S-adenosyl-L-homocysteine + questin
show the reaction diagram
-
-

Substrate in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
questin + NADPH + H+ + O2 = demethylsulochrin + NADP+
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
S-adenosyl-L-methionine + emodin = S-adenosyl-L-homocysteine + questin
show the reaction diagram
-
-
S-adenosyl-L-methionine + emodin = S-adenosyl-L-homocysteine + questin
show the reaction diagram
-
-

Inhibitor in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
inhibition of p56lck and c-Src
-

Enzyme Kinetic Parameters

References & Links

Links to other databases for questin

EXTERNAL LINKS