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Literature summary for 2.5.1.122 extracted from

  • Rudolf, J.D.; Poulter, C.D.
    Tyrosine O-prenyltransferase SirD catalyzes S-, C-, and N-prenylations on tyrosine and tryptophan derivatives (2013), ACS Chem. Biol., 8, 2707-2714.
    View publication on PubMedView publication on EuropePMC

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.3
-
L-tyrosine pH 8.0, 30┬░C Leptosphaeria maculans
0.37
-
L-tryptophan pH 8.0, 30┬░C Leptosphaeria maculans

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
dimethylallyl diphosphate + L-tyrosine Leptosphaeria maculans first committed step in the biosynthesis of the phytotoxin sirodesmin PL diphosphate + 4-O-dimethylallyl-L-tyrosine
-
?

Organism

Organism UniProt Comment Textmining
Leptosphaeria maculans Q6Q874
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Leptosphaeria maculans

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
dimethylallyl diphosphate + L-tryptophan reverse prenylation Leptosphaeria maculans diphosphate + 1-(2-methylbut-3-en-2-yl)-L-tryptophan
-
?
dimethylallyl diphosphate + L-tryptophan catalytic efficiency for L-tryptophan is 6% compared to catalytic efficiency for L-tyrosine Leptosphaeria maculans diphosphate + 7-dimethylallyltryptophan
-
?
dimethylallyl diphosphate + L-tyrosine
-
Leptosphaeria maculans diphosphate + 4-O-dimethylallyl-L-tyrosine
-
?
dimethylallyl diphosphate + L-tyrosine first committed step in the biosynthesis of the phytotoxin sirodesmin PL Leptosphaeria maculans diphosphate + 4-O-dimethylallyl-L-tyrosine
-
?
additional information the catalytic erfficiency with 4-mercapto-L-phenylalanine, 4-methoxy-L-tryptophan and 7-methyl-L-tryptophan is less than 1% of the reaction with L-tyrosine Leptosphaeria maculans ?
-
?

Synonyms

Synonyms Comment Organism
SirD
-
Leptosphaeria maculans

Temperature Optimum [┬░C]

Temperature Optimum [┬░C] Temperature Optimum Maximum [┬░C] Comment Organism
30
-
assay at Leptosphaeria maculans

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.095
-
L-tryptophan pH 8.0, 30┬░C Leptosphaeria maculans
1.3
-
L-tyrosine pH 8.0, 30┬░C Leptosphaeria maculans

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
assay at Leptosphaeria maculans

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.26
-
L-tryptophan pH 8.0, 30┬░C Leptosphaeria maculans
4.3
-
L-tyrosine pH 8.0, 30┬░C Leptosphaeria maculans