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Ligand D-tryptophan

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Basic Ligand Information

Molecular Structure
Picture of D-tryptophan (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C11H12N2O2
D-tryptophan
QIVBCDIJIAJPQS-SECBINFHSA-N
Synonyms:
D-Trp

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (10 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-tryptophan + O2 = N-formyl-D-kynurenine
show the reaction diagram
-
malonyl-CoA + D-tryptophan = CoA + N2-malonyl-D-tryptophan
show the reaction diagram
-
acetyl-CoA + D-tryptophan = CoA + acetyl-D-tryptophan
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (41 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-tryptophan + O2 = N-formyl-D-kynurenine
show the reaction diagram
-
D-tryptophan + O2 = formylkynurenine
show the reaction diagram
-
D-tryptophan + O2 = ?
show the reaction diagram
-
D-tryptophan + FADH2 + bromide + O2 + H+ = 7-bromo-D-tryptophan + FAD + 2 H2O
show the reaction diagram
-
D-tryptophan + oxidized 2,6-dichloroindophenol + H2O = 3-indole-2-oxopropanoate + NH3 + reduced 2,6-dichloroindophenol
show the reaction diagram
-
S-adenosyl-L-methionine + D-tryptophan = S-adenosyl-L-homocysteine + D-2-methyltryptophan
show the reaction diagram
-
malonyl-CoA + D-tryptophan = CoA + N2-malonyl-D-tryptophan
show the reaction diagram
-
acetyl-CoA + D-tryptophan = CoA + acetyl-D-tryptophan
show the reaction diagram
-
dimethylallyl diphosphate + D-tryptophan = diphosphate + 1-(2-methylbut-3-en-2-yl)-D-tryptophan
show the reaction diagram
-
D-tryptophan + 2-oxoadipate = 3-indole-2-oxopropanoate + 2-aminoadipate
show the reaction diagram
-
D-Trp + H2O = indole + pyruvate + NH4+
show the reaction diagram
-
D-tryptophan + H2O = ?
show the reaction diagram
-
ATP + D-Trp = ADP + phosphate + D-Trp-D-Trp
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (9 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-tryptophan methyl ester + H2O = D-tryptophan + methanol
show the reaction diagram
-
D-tryptophanyl-tRNATrp + H2O = D-tryptophan + tRNATrp
show the reaction diagram
-
D-Ala-D-Trp + H2O = D-Ala + D-Trp
show the reaction diagram
-

Activator in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
2g subcutaneously
-
5 mM, 2.01fold activation
-

Inhibitor in Enzyme-catalyzed Reactions (18 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
competitive with L-tryptophan
-
Ki: 0.014 mM
-
non-competitive inhibitor
-
-
-

3D Structure of Enzyme-Ligand-Complex (PDB) (10 results)

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (17 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
0.0038
-
pH 7.5, 35°C, wild-type enzyme

KM Value (56 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.31
-
pH 7.2, 30°C
0.47
-
both methylene blue and 2,6-dichlorophenolindophenol specific enzymes
0.025
-
-
7.94
-
pH 7.5, 35°C, wild-type enzyme

Ki Value (6 results)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.0066
-
-
0.0404
-
pH 7.4, 30°C
0.014
-
-

IC50 Value (2 results)

EC NUMBER
IC50 VALUE
IC50 VALUE MAXIMUM
COMMENTARY
LITERATURE

References & Links

Links to other databases for D-tryptophan

ChEBI
PubChem
ChEBI
PubChem