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Literature summary for 2.1.4.3 extracted from

  • Li, M.; Chen, L.; Deng, Z.; Zhao, C.
    Characterization of AmtA, an amidinotransferase involved in the biosynthesis of phaseolotoxins (2016), FEBS Open Bio, 6, 603-609 .
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21 cells Pseudomonas savastanoi pv. phaseolicola

Protein Variants

Protein Variants Comment Organism
M243P/H244N there is no detectable difference about catalytic efficiency between the mutant and the wild type enzyme Pseudomonas savastanoi pv. phaseolicola
M243P/H244N the mutation has no effect on substrate specificity or catalytic efficiency compared to the wild type enzyme Pseudomonas savastanoi pv. phaseolicola
M246S the mutation abolishes the enzyme activity Pseudomonas savastanoi pv. phaseolicola
M246S the mutation abolishes amidinotransferase activity Pseudomonas savastanoi pv. phaseolicola

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-arginine + L-lysine Pseudomonas savastanoi pv. phaseolicola
-
L-ornithine + L-homoarginine
-
r
L-arginine + L-lysine Pseudomonas savastanoi pv. phaseolicola 1448A
-
L-ornithine + L-homoarginine
-
r
L-ornithine + L-homoarginine Pseudomonas savastanoi pv. phaseolicola
-
L-arginine + L-lysine
-
r
L-ornithine + L-homoarginine Pseudomonas savastanoi pv. phaseolicola 1448A
-
L-arginine + L-lysine
-
r

Organism

Organism UniProt Comment Textmining
Pseudomonas savastanoi pv. phaseolicola
-
-
-
Pseudomonas savastanoi pv. phaseolicola 1448A
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Pseudomonas savastanoi pv. phaseolicola
ammonium sulfate precipitation, Ni-NTA column chromatography and Superdex S200 gel filtration Pseudomonas savastanoi pv. phaseolicola

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-arginine + L-lysine
-
Pseudomonas savastanoi pv. phaseolicola L-ornithine + L-homoarginine
-
r
L-arginine + L-lysine
-
Pseudomonas savastanoi pv. phaseolicola 1448A L-ornithine + L-homoarginine
-
r
L-ornithine + L-canavanine
-
Pseudomonas savastanoi pv. phaseolicola L-arginine + ?
-
?
L-ornithine + L-canavanine
-
Pseudomonas savastanoi pv. phaseolicola 1448A L-arginine + ?
-
?
L-ornithine + L-canavanine
-
Pseudomonas savastanoi pv. phaseolicola L-arginine + O-aminohomoserine
-
r
L-ornithine + L-homoarginine
-
Pseudomonas savastanoi pv. phaseolicola L-arginine + L-lysine
-
r
L-ornithine + L-homoarginine
-
Pseudomonas savastanoi pv. phaseolicola 1448A L-arginine + L-lysine
-
r
additional information no activity with glycine, 6-aminocaproic acid, norleucine and L-2,3-diaminopropionic acid as amidine acceptor or guanidinoacetic acid as amidine donor Pseudomonas savastanoi pv. phaseolicola ?
-
?
additional information no activity with guanidinoacetic acid as amidine donor. No activity with norleucine, 6-aminocaproic acid, glycine and L-Dap as amidine acceptor Pseudomonas savastanoi pv. phaseolicola ?
-
-
additional information no activity with glycine, 6-aminocaproic acid, norleucine and L-2,3-diaminopropionic acid as amidine acceptor or guanidinoacetic acid as amidine donor Pseudomonas savastanoi pv. phaseolicola 1448A ?
-
?
additional information no activity with guanidinoacetic acid as amidine donor. No activity with norleucine, 6-aminocaproic acid, glycine and L-Dap as amidine acceptor Pseudomonas savastanoi pv. phaseolicola 1448A ?
-
-

Subunits

Subunits Comment Organism
? x * 40000, His6-tagged enzyme, SDS-PAGE Pseudomonas savastanoi pv. phaseolicola
? x * 40000, His-tagged enzyme, SDS-PAGE Pseudomonas savastanoi pv. phaseolicola

Synonyms

Synonyms Comment Organism
amidinotransferase
-
Pseudomonas savastanoi pv. phaseolicola
amtA
-
Pseudomonas savastanoi pv. phaseolicola