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Literature summary for 3.2.1.14 extracted from

  • Itoi, S.; Kanomata, Y.; Koyama, Y.; Kadokura, K.; Uchida, S.; Nishio, T.; Oku, T.; Sugita, H.
    Identification of a novel endochitinase from a marine bacterium Vibrio proteolyticus strain No. 442 (2007), Biochim. Biophys. Acta, 1774, 1099-1107.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
full-length and truncated chitinases are generated in Escherichia coli Vibrio proteolyticus

Protein Variants

Protein Variants Comment Organism
additional information deletion of the C-terimus of chitinase A results in about 95% decrease in the specific activity against colloidal and alpha-chitins Vibrio proteolyticus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
87396
-
x * 87396, calculated from sequence Vibrio proteolyticus

Organism

Organism UniProt Comment Textmining
Vibrio proteolyticus A7M6A0 precursor protein
-
Vibrio proteolyticus No. 442 A7M6A0 precursor protein
-

Purification (Commentary)

Purification (Comment) Organism
recombinant enzyme Vibrio proteolyticus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.2
-
-
Vibrio proteolyticus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
alpha-crystal chitin + H2O
-
Vibrio proteolyticus di-N-acetyl-chitobiose
-
?
alpha-crystal chitin + H2O
-
Vibrio proteolyticus No. 442 di-N-acetyl-chitobiose
-
?
hexa-N-acetyl-chitohexaose + H2O di-N-acetyl-chitobiose is the main product, production of a small amount of tri-N-acetyl-chitotriose Vibrio proteolyticus di-N-acetyl-chitobiose + tri-N-acetyl-chitotriose
-
?
hexa-N-acetyl-chitohexaose + H2O di-N-acetyl-chitobiose is the main product, production of a small amount of tri-N-acetyl-chitotriose Vibrio proteolyticus No. 442 di-N-acetyl-chitobiose + tri-N-acetyl-chitotriose
-
?

Subunits

Subunits Comment Organism
? x * 87396, calculated from sequence Vibrio proteolyticus

Synonyms

Synonyms Comment Organism
chitinase A
-
Vibrio proteolyticus