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Literature summary extracted from

  • Mayer, R.T.; McCollum, T.G.; Niedz R.P.; Hearn, C.J.; McDonald, R.E.; Berdis, E.; Doostdar, H.
    Characterization of seven basic endochitinases isolated from cell cultures of Citrus sinensis (L.) (1996), Planta, 200, 289-295.
    View publication on PubMed

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.14 23000
-
x * 28000, isoenzyme 1, SDS-PAGE, x * 25500, isoenzyme 2, SDS-PAGE, x * 23000, isoenzyme 3, SDS-PAGE, x * 24200, isoenzyme 4, SDS-PAGE, x * 24700, isoenzyme 5, SDS-PAGE, x * 25000, isoenzyme 6, SDS-PAGE, x * 25000, isoenzyme 7, SDS-PAGE Citrus sinensis
3.2.1.14 24200
-
x * 28000, isoenzyme 1, SDS-PAGE, x * 25500, isoenzyme 2, SDS-PAGE, x * 23000, isoenzyme 3, SDS-PAGE, x * 24200, isoenzyme 4, SDS-PAGE, x * 24700, isoenzyme 5, SDS-PAGE, x * 25000, isoenzyme 6, SDS-PAGE, x * 25000, isoenzyme 7, SDS-PAGE Citrus sinensis
3.2.1.14 24700
-
x * 28000, isoenzyme 1, SDS-PAGE, x * 25500, isoenzyme 2, SDS-PAGE, x * 23000, isoenzyme 3, SDS-PAGE, x * 24200, isoenzyme 4, SDS-PAGE, x * 24700, isoenzyme 5, SDS-PAGE, x * 25000, isoenzyme 6, SDS-PAGE, x * 25000, isoenzyme 7, SDS-PAGE Citrus sinensis
3.2.1.14 25000
-
x * 28000, isoenzyme 1, SDS-PAGE, x * 25500, isoenzyme 2, SDS-PAGE, x * 23000, isoenzyme 3, SDS-PAGE, x * 24200, isoenzyme 4, SDS-PAGE, x * 24700, isoenzyme 5, SDS-PAGE, x * 25000, isoenzyme 6, SDS-PAGE, x * 25000, isoenzyme 7, SDS-PAGE Citrus sinensis
3.2.1.14 25500
-
x * 28000, isoenzyme 1, SDS-PAGE, x * 25500, isoenzyme 2, SDS-PAGE, x * 23000, isoenzyme 3, SDS-PAGE, x * 24200, isoenzyme 4, SDS-PAGE, x * 24700, isoenzyme 5, SDS-PAGE, x * 25000, isoenzyme 6, SDS-PAGE, x * 25000, isoenzyme 7, SDS-PAGE Citrus sinensis
3.2.1.14 28000
-
x * 28000, isoenzyme 1, SDS-PAGE, x * 25500, isoenzyme 2, SDS-PAGE, x * 23000, isoenzyme 3, SDS-PAGE, x * 24200, isoenzyme 4, SDS-PAGE, x * 24700, isoenzyme 5, SDS-PAGE, x * 25000, isoenzyme 6, SDS-PAGE, x * 25000, isoenzyme 7, SDS-PAGE Citrus sinensis

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.2.1.132 chitosan + H2O Citrus sinensis
-
?
-
?

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.14 Citrus sinensis
-
-
-
3.2.1.132 Citrus sinensis
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.14 isoenzyme 7, 0.1fold, isoenzyme 2, 3.8fold, isoenzyme 6, 0.1fold, isoenzyme 1, 6.2fold, isoenzyme 5, 0.1fold, isoenzyme 4, 1.6fold, isoenzyme 3, 0.004fold Citrus sinensis
3.2.1.132
-
Citrus sinensis

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.14 callus nonembryonic, cell cultures Citrus sinensis
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.14 0.0025
-
isoenzyme 3 Citrus sinensis
3.2.1.14 0.0097
-
isoenzyme 6 Citrus sinensis
3.2.1.14 0.0127
-
isoenzyme 7 Citrus sinensis
3.2.1.14 0.0193
-
isoenzyme 4 Citrus sinensis
3.2.1.14 0.0391
-
isoenzyme 2 Citrus sinensis
3.2.1.14 0.0421
-
isoenzyme 5 Citrus sinensis
3.2.1.14 0.2291
-
isoenzyme 1 Citrus sinensis
3.2.1.132 0.032
-
enzyme HEWL Citrus sinensis
3.2.1.132 0.055
-
enzyme BCVC-4 Citrus sinensis
3.2.1.132 0.075
-
enzyme BCVC-3 Citrus sinensis
3.2.1.132 0.087
-
enzyme BCVC-5 Citrus sinensis
3.2.1.132 0.114
-
enzyme BCVC-6 Citrus sinensis
3.2.1.132 0.567
-
enzyme Yam Citrus sinensis
3.2.1.132 1.291
-
enzyme BCLVC Citrus sinensis
3.2.1.132 3.411
-
enzyme BCVC-1 Citrus sinensis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.14 carboxymethylated-chitin-remazol brilliant violet + H2O
-
Citrus sinensis ?
-
?
3.2.1.14 chitin + H2O [acetyl-3H]chitin Citrus sinensis N,N-diacetylchitobiose + N-acetylglucosamine
-
?
3.2.1.14 chitohexaose + H2O
-
Citrus sinensis chitobiose + chitotriose chitobiose and chitotetraose ?
3.2.1.14 chitopentaose + H2O
-
Citrus sinensis chitobiose + chitotriose chitobiose, chitotetraose and trace amounts of chitotriose ?
3.2.1.14 chitosan + H2O different percentages of acetylation Citrus sinensis chitosan oligosaccharides
-
?
3.2.1.14 chitotetraose + H2O
-
Citrus sinensis N-acetylglucosamine + chitobiose + chitotriose chitobiose and chitotetraose ?
3.2.1.132 chitosan + H2O
-
Citrus sinensis ?
-
?

Subunits

EC Number Subunits Comment Organism
3.2.1.14 ? x * 28000, isoenzyme 1, SDS-PAGE, x * 25500, isoenzyme 2, SDS-PAGE, x * 23000, isoenzyme 3, SDS-PAGE, x * 24200, isoenzyme 4, SDS-PAGE, x * 24700, isoenzyme 5, SDS-PAGE, x * 25000, isoenzyme 6, SDS-PAGE, x * 25000, isoenzyme 7, SDS-PAGE Citrus sinensis

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.14 additional information
-
-
Citrus sinensis
3.2.1.14 4 4.5 isoenzyme 7 Citrus sinensis
3.2.1.14 5
-
isoenzymes 1,2 and 5 Citrus sinensis
3.2.1.14 5 5.5 isoenzymes 4 and 6 Citrus sinensis
3.2.1.14 5 5.2 chitosanase activity, isoenzymes 1-7 Citrus sinensis
3.2.1.14 5.5
-
isoenzyme 3 Citrus sinensis
3.2.1.132 5 5.2 optimal at an ionic strength of 0.2 Citrus sinensis

pI Value

EC Number Organism Comment pI Value Maximum pI Value
3.2.1.132 Citrus sinensis Spectra Phoresis 1000 CE, enzyme BCLVC
-
10.3
3.2.1.132 Citrus sinensis Spectra Phoresis 1000 CE, enzymes BCVC-1, BCVC-4, BCVC-5 and BCVC-6
-
10.5
3.2.1.132 Citrus sinensis Spectra Phoresis 1000 CE, enzymes BCVC-2 and BCVC-3
-
10.6