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Literature summary for 3.2.1.14 extracted from

  • Onaga, S.; Chinen, K.; Ito, S.; Taira, T.
    Highly thermostable chitinase from pineapple: cloning, expression, and enzymatic properties (2011), Process Biochem., 46, 695-700.
No PubMed abstract available

Cloned(Commentary)

Cloned (Comment) Organism
PLChiA, DNA and amino acid sequence determination and analysis, sequence comparisons, recombinant expression in Escherichia coli strain Origami (DE3) as both soluble and insoluble forms Ananas comosus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
27757
-
x * 27800, SDS-PAGE, x * 27757, mature enzyme, sequence calculation Ananas comosus
27800
-
x * 27800, SDS-PAGE, x * 27757, mature enzyme, sequence calculation Ananas comosus

Organism

Organism UniProt Comment Textmining
Ananas comosus B3A042
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
glycoprotein
-
Ananas comosus

Subunits

Subunits Comment Organism
? x * 27800, SDS-PAGE, x * 27757, mature enzyme, sequence calculation Ananas comosus

Synonyms

Synonyms Comment Organism
More PLChiA belongs to the class III chitinases in glycoside hydrolase family 18 Ananas comosus
PLChiA
-
Ananas comosus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
70
-
-
Ananas comosus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
75
-
purified enzyme, pH 7.0, half-life is 5.2 days Ananas comosus
80
-
purified enzyme, half-life is 4.5 h at pH 7.0, and 65 min at pH 4.0 Ananas comosus
85
-
purified enzyme, pH 7.0, half-life is 27 min Ananas comosus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
3
-
-
Ananas comosus

pH Range

pH Minimum pH Maximum Comment Organism
2 12 activity range, inactive at pH 13 and pH 1.0 Ananas comosus

pI Value

Organism Comment pI Value Maximum pI Value
Ananas comosus sequence calculation
-
4.25