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Literature summary for 2.6.1.56 extracted from

  • Walker, J.B.
    L-Alanine61D-1-guanidino-1-deoxy-3-deto-scyllo-inositol aminotransferase (1975), Methods Enzymol., 43, 462-465.
    View publication on PubMed

General Stability

General Stability Organism
unstable to dialysis in absence of pyridoxal 5'-phosphate, pyruvate spares the pyridoxal 5'-phosphate requirement during dialysis Streptomyces bikiniensis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
L-alanine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol Streptomyces griseus
-
pyruvate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
?
L-alanine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol Streptomyces ornatus
-
pyruvate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
?
L-alanine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol Streptomyces bikiniensis streptomycin biosynthesis pyruvate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
?

Organism

Organism UniProt Comment Textmining
no activity in Streptomyces hygroscopicus subsp. glebosus
-
ATCC 14607
-
Streptomyces bikiniensis
-
ATCC 11062
-
Streptomyces griseus
-
ATCC 12475
-
Streptomyces ornatus
-
ATCC 23265
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-alanine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol
-
Streptomyces griseus pyruvate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
?
L-alanine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol
-
Streptomyces griseus pyruvate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
r
L-alanine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol
-
Streptomyces bikiniensis pyruvate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
r
L-alanine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol
-
Streptomyces ornatus pyruvate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
?
L-alanine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol
-
Streptomyces ornatus pyruvate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
r
L-alanine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol streptomycin biosynthesis Streptomyces bikiniensis pyruvate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
?
L-glutamate + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol
-
Streptomyces bikiniensis 5-amino-2,5-dioxopentanoic acid + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
r
L-glutamine + 1D-1-guanidino-1-deoxy-3-dehydro-scyllo-inositol reaction should be relatively irreversible because of cyclization or enzymic deamidation of the alpha-ketoglutaramate formed Streptomyces bikiniensis alpha-ketoglutaramate + 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol
-
ir
additional information D-amino acids are no substrates, also catalyzes transamination between 1D-1-guanidino-3-amino-1,3-dideoxy-scyllo-inositol and 1D-1-guanidino-1-deoxy-3-keto-scyllo inositol Streptomyces bikiniensis ?
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
55
-
inactivated by heating for 5 min Streptomyces bikiniensis