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Literature summary extracted from

  • Yamaguchi, I.; Misato, T.
    Active center and mode of reaction of blasticidin S deaminase (1985), Agric. Biol. Chem., 49, 3355-3361.
No PubMed abstract available

Activating Compound

EC Number Activating Compound Comment Organism Structure
3.5.4.23 2-mercaptoethanol restores activity of pCMB treated enzyme up to 75% Aspergillus terreus

General Stability

EC Number General Stability Organism
3.5.4.23 unstable Aspergillus terreus

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.5.4.23 p-chloromercuribenzoate
-
Aspergillus terreus
3.5.4.23 Rose bengal 0.01%, enzyme loses more than 80% of its activity, photooxidation Aspergillus terreus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.5.4.23 0.021
-
blasticidin S
-
Aspergillus terreus
3.5.4.23 0.053
-
pyrimidinoblasticidin S
-
Aspergillus terreus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.5.4.23 blasticidin S + H2O Aspergillus terreus
-
deaminohydroxyblasticidin S + NH3
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.5.4.23 Aspergillus terreus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.5.4.23
-
Aspergillus terreus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.5.4.23 acetylblasticidin S + H2O
-
Aspergillus terreus acetyldeaminohydroxyblasticidin S + NH3
-
?
3.5.4.23 blasticidin S + H2O
-
Aspergillus terreus deaminohydroxyblasticidin S + NH3
-
?
3.5.4.23 cytomycin + H2O
-
Aspergillus terreus ?
-
?
3.5.4.23 additional information cytosine, cytidine, deoxycytidine, CMP, d-CMP or purine nucleosides are no substrates Aspergillus terreus ?
-
?
3.5.4.23 pyrimidinoblasticidin S + H2O
-
Aspergillus terreus pyrimidinodeaminohydroxyblasticidin S + NH3
-
?

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.5.4.23 4 11 retains original activity Aspergillus terreus

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.5.4.23 4 7 inactivation below pH 4 for 1h, but stable below pH 7 Aspergillus terreus