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BRENDA support

Ligand D-methionine

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Basic Ligand Information

Molecular Structure
Picture of D-methionine (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C5H11NO2S
D-methionine
FFEARJCKVFRZRR-SCSAIBSYSA-N
Synonyms:
D-Met, D-methionine[side 2]
Pathway Source
Pathways


Show all pahtways known for Show all BRENDA pathways known for D-methionine

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (7 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
acetyl-CoA + D-methionine = CoA + N-acetyl-D-methionine
show the reaction diagram
-
D-methionine + 2-oxoglutarate = 4-methylsulfanyl-2-oxobutanoate + D-glutamate
show the reaction diagram
-
D-methionine + pyruvate = 4-methylthio-2-oxobutanoate + L-alanine
show the reaction diagram
-
D-Met = L-Met
show the reaction diagram
-

In Vivo Product in Enzyme-catalyzed Reactions (3 results)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
N-acetyl-D-methionine + H2O = acetate + D-methionine
show the reaction diagram
-
L-Methionine = D-Methionine
show the reaction diagram
-
ATP + H2O + D-methionine-[methionine-binding protein][side 1] = ADP + phosphate + D-methionine[side 2] + [methionine-binding protein][side 1]
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (40 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
D-methionine + acceptor + acceptor = ?
show the reaction diagram
-
acetyl-CoA + D-methionine = CoA + N-acetyl-D-methionine
show the reaction diagram
-
GlcNAc-MurNGlyc-L-Ala1-D-iGln2-meso-DapNH23-D-Ala4 + D-methionine = GlcNAc-MurNGlyc-L-Ala1-D-iGln2-meso-DapNH23-D-Met4 + D-alanine
show the reaction diagram
-
ATP + D-methionine + H2O = S-adenosyl-D-methionine + phosphate + diphosphate
show the reaction diagram
D-methionine + 2-oxoadipate = 4-methylsulfanyl-2-oxobutanoate + 2-aminoadipate
show the reaction diagram
-
Formate + D-Met = N-Formyl-D-Met + H2O
show the reaction diagram
-
D-methionine = L-methionine
show the reaction diagram
-

Product in Enzyme-catalyzed Reactions (16 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
4-methylthio-2-oxobutanoate + NH3 + NADPH + H+ = D-methionine + NADP+
show the reaction diagram
-
D-methionine methyl ester + H2O = D-methionine + methanol
show the reaction diagram
-
L-methionine amide + H2O = D-methionine + NH3
show the reaction diagram
-
N-carbamoyl-D-Met + H2O = D-Met + NH3 + CO2
show the reaction diagram
-
L-Methionine = D-Methionine
show the reaction diagram
-
L-Methionine = D-Methionine
show the reaction diagram
-
L-Methionine = D-Methionine
show the reaction diagram
-
L-Met = D-Met
show the reaction diagram
-
ATP + H2O + D-methionine-[methionine-binding protein][side 1] = ADP + phosphate + D-methionine[side 2] + [methionine-binding protein][side 1]
show the reaction diagram
-

Activator in Enzyme-catalyzed Reactions (4 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
stimulation, 127% of non-stimulated activity
-
enhances activity at 0-20 mM
-

Inhibitor in Enzyme-catalyzed Reactions (12 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
competitive inhibition
-
19% inhibition at 50 mM
-
slight feed-back inhibition
-
inhibition of D- and L-transamination of D-alanine to 2-oxoglutarate, weak
-
-
-
92% residual activity at 5 mM with L-methionine as substrate, 23% residual activity at 50 mM with D-methionine as substrate
-

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

EC NUMBER
ENZYME 3D STRUCTURE

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (29 results)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
16
-
-
0.057
-
pH 9.0, 30°C, acceptor: phenazine methosulfate/p-iodonitrotetrazolium violet

KM Value (53 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
11
-
with 2,6-dichlorophenolindophenol
2
3
pH 9.0, 30°C, acceptor: phenazine methosulfate/p-iodonitrotetrazolium violet
3.5
-
-
9
-
-

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
0.4
-
-

References & Links

Links to other databases for D-methionine

ChEBI
PubChem
ChEBI
PubChem