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Literature summary for 1.13.12.2 extracted from

  • Im, D.; Matsui, D.; Arakawa, T.; Isobe, K.; Asano, Y.; Fushinobu, S.
    Ligand complex structures of L-amino acid oxidase/monooxygenase from Pseudomonas sp. AIU 813 and its conformational change (2018), FEBS open bio, 8, 314-324 .
    View publication on PubMedView publication on EuropePMC

Crystallization (Commentary)

Crystallization (Comment) Organism
structures of L-AAO/MOG complexed with L-Lys, L-ornithine, and L-Arg. Residue Asp238 is located at the ceiling of a long hydrophobic pocket and forms a strong interaction with the terminal, positively charged group of the substrates. In the ligand-free structure, there are two channels connecting the active site and solvent, and a short region located at the dimer interface is disordered. In the L-Lys complex structure, a loop region is displaced to plug the channels Pseudomonas sp. AIU 813

Protein Variants

Protein Variants Comment Organism
D238A the interaction of Asp238 with the terminal, positively charged group of the substrates is critical for substrate binding but not for catalytic control between the oxidase/monooxygenase activities Pseudomonas sp. AIU 813
D238E mutant displays increased catalytic activities Pseudomonas sp. AIU 813
D238F mutant exhibits altered substrate specificity to long hydrophobic substrates Pseudomonas sp. AIU 813

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.033
-
L-ornithine wild-type, pH 7, 30°C Pseudomonas sp. AIU 813
0.043
-
L-lysine mutant D238E, pH 7, 30°C Pseudomonas sp. AIU 813
0.061
-
L-lysine wild-type, pH 7, 30°C Pseudomonas sp. AIU 813
0.061
-
L-ornithine mutant D238E, pH 7, 30°C Pseudomonas sp. AIU 813
0.067
-
L-arginine wild-type, pH 7, 30°C Pseudomonas sp. AIU 813
0.072
-
L-lysine mutant D238F, pH 7, 30°C Pseudomonas sp. AIU 813
0.09
-
L-arginine mutant D238F, pH 7, 30°C Pseudomonas sp. AIU 813
0.26
-
L-lysine mutant D238A, pH 7, 30°C Pseudomonas sp. AIU 813
0.31
-
L-ornithine mutant D238A, pH 7, 30°C Pseudomonas sp. AIU 813
0.42
-
L-arginine mutant D238A, pH 7, 30°C Pseudomonas sp. AIU 813

Organism

Organism UniProt Comment Textmining
Pseudomonas sp. AIU 813 W6JQJ6 bifunctional L-amino acid oxidase/monooxygenase, cf. EC. 1.4.3.2
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-arginine + O2
-
Pseudomonas sp. AIU 813 4-guanidinobutanamide + CO2 + H2O
-
?
L-lysine + O2
-
Pseudomonas sp. AIU 813 5-aminopentanamide + CO2 + H2O
-
?
L-ornithine + O2
-
Pseudomonas sp. AIU 813 4-aminobutanamide + CO2 + H2O
-
?

Synonyms

Synonyms Comment Organism
L-AAO/MOG
-
Pseudomonas sp. AIU 813

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.29
-
L-ornithine mutant D238A, pH 7, 30°C Pseudomonas sp. AIU 813
0.8
-
L-lysine mutant D238F, pH 7, 30°C Pseudomonas sp. AIU 813
1.2
-
L-arginine mutant D238F, pH 7, 30°C Pseudomonas sp. AIU 813
1.6
-
L-arginine wild-type, pH 7, 30°C Pseudomonas sp. AIU 813
2.3
-
L-ornithine mutant D238E, pH 7, 30°C Pseudomonas sp. AIU 813
2.7
-
L-lysine mutant D238A, pH 7, 30°C Pseudomonas sp. AIU 813
2.8
-
L-arginine mutant D238A, pH 7, 30°C Pseudomonas sp. AIU 813
4.5
-
L-lysine wild-type, pH 7, 30°C Pseudomonas sp. AIU 813
6.7
-
L-ornithine wild-type, pH 7, 30°C Pseudomonas sp. AIU 813
8.1
-
L-lysine mutant D238E, pH 7, 30°C Pseudomonas sp. AIU 813

kcat/KM [mM/s]

kcat/KM Value [1/mMs-1] kcat/KM Value Maximum [1/mMs-1] Substrate Comment Organism Structure
0.94
-
L-ornithine mutant D238A, pH 7, 30°C Pseudomonas sp. AIU 813
6.7
-
L-arginine mutant D238A, pH 7, 30°C Pseudomonas sp. AIU 813
10
-
L-lysine mutant D238A, pH 7, 30°C Pseudomonas sp. AIU 813
11
-
L-lysine mutant D238F, pH 7, 30°C Pseudomonas sp. AIU 813
13
-
L-arginine mutant D238F, pH 7, 30°C Pseudomonas sp. AIU 813
24
-
L-arginine wild-type, pH 7, 30°C Pseudomonas sp. AIU 813
32
-
L-ornithine mutant D238E, pH 7, 30°C Pseudomonas sp. AIU 813
74
-
L-lysine wild-type, pH 7, 30°C Pseudomonas sp. AIU 813
190
-
L-lysine mutant D238E, pH 7, 30°C Pseudomonas sp. AIU 813
200
-
L-ornithine wild-type, pH 7, 30°C Pseudomonas sp. AIU 813