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3.2.1.14: chitinase

This is an abbreviated version!
For detailed information about chitinase, go to the full flat file.

Word Map on EC 3.2.1.14

Reaction

chitopentaose
+
H2O
=
chitobiose
 +
chitotriose

Synonyms

1,4-beta-poly-N-acetylglucosaminidase, AcD1ChiA, acid mammalian chitinase, acidic chitinase, acidic mammalian chitinase, active phase-associated protein I, active phase-associated protein II, AD2PF-ChiA, AgChi, alpha-chitinase, AMCase, antifreeze protein, APAP1, APAP2, APAPI, APAPII, AtChiC, B220, bacterial-type chitinase, Bbchit1, BChi14, beta-1,4-poly-N-acetyl glucosamidinase, BjCHI1, BJL200-ChiC1, CF-AG, CF-antigen, CGCHI3, CH5B, ChBDChiC, CHI, Chi-1, CHI-26, Chi-A, Chi-h, Chi1, Chi18A, Chi18B, Chi18C, Chi19, CHI2, Chi2 enzyme, Chi21, Chi22, Chi3, Chi31, Chi35, Chi40, Chi44, Chi46, Chi54, CHI60, Chi67, Chi70, Chi72, Chi78, ChiA, ChiA Nima, ChiA protein, ChiA-HD73, ChiA-Hh59, ChiA-Mt45, ChiA1, ChiA74, ChiB, ChiC, ChiCW, ChiD, ChiE, ChiEN1, ChiF, ChiF1, ChiG, ChiNCTU2, Chit, CHIT 1A, CHIT 1B, CHIT1, Chit1b, Chit33, CHIT42, Chit62, ChitA, ChitIII-1, ChitIII-2, chitinase, chitinase 1, chitinase 18C, chitinase 2, chitinase 60, chitinase 92, chitinase A, chitinase A1, chitinase B, chitinase C, chitinase C1, chitinase Chi255, chitinase F1, chitinase G, chitinase I, chitinase II, chitinase III, chitinase-A, chitinases A, chitinolytic enzyme, chitodextrinase-N-, chitotriosidase, ChiW, CHT1, Cht4, CHT7, ChtII, ChtIII, CiX1, class I chitinase, class II chitinase, class III chitinase, class IV chitinase, class V chitinase, Complement-fixation antigen, CpCHI, CrChi1, CTS1, ECH, ECH1, Ech42, ech46, ELC, endo-chitinase, endochitinase, endochitinase 1, endochitinase-1, endochitinase-2, exochitinase, GAC1, GAC2, GH18 chitinase, group I chitinase, group II chitinase, group III chitinase, hevamine, HoChiA, HoChiB, HoChiC, HschiA1, Is-chiB, LlChi18A, LpChiA, MACase, MF1 antigen, MmChi60, More, MsChi386, MsChi535, NaCHIT1, NaCHIT3, NtChitIV, NtChiV, OfChtI, OsChia1b, OsChia1c, OsChia1cDELTAChBD, OsChia1d, OsChia2a, OsChia2b, OsChia4a, OsChib1a, PF1233, PjChi-1, plant class III chitinase, PLC-A, PLC-B, PLChiA, poly-beta-1, 4-[2-acetamido-2-deoxy]-delta-glucoside glycanohydrolase, poly-beta-glucosaminidase, PrChi-A, Ptchi19p, Ra-ChiC, RCB4, RHBC, sAMC, SCChi-1, SI-CLP, SjChi, SsChi50, stabilin-1 interacting chitinase-like protein, STK_09390, TBC-1, Tfu_0580, Tk-ChiA, TKU028 chitinase, TmChi, TSA1902, UDA, V-CHIA, VpChiA, WIN6, YlCts1p, Ym1

ECTree

     3 Hydrolases
         3.2 Glycosylases
             3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds
                3.2.1.14 chitinase

pH Range

pH Range on EC 3.2.1.14 - chitinase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
1 - 8
-
pH 1.0: about 70% of maximal activity, pH 6.0: 15% of maximal activity, pH 8.0: about 35% of maximal activity
1 - 9
1.3 - 3
-
pH 1.3: 55% of maximal activity, pH 3: about 45% of maximal activity, substrate: 4-methylumbelliferyl-deoxychitobioside
10
-
30% residual activity
11
-
inactivated above pH 11
2 - 11
-
activity range, profile overview
2 - 12
2 - 4
pH 2: about 80% of maximal activity, pH 4.0: about 55% of maximal activity, substrate: 4-methylumbelliferyl-N,N',N''-triacetylchitotriose
2 - 8
2.5 - 10
-
activity range, activity profile overview
2.5 - 8
3
-
75% activity
3 - 10
3 - 11
3 - 12
3 - 4
-
immobilized chitinase
3 - 7
-
pH 3.0: about 35% of maximal activity, pH 7.0: about 60% of maximal activity
3 - 8
3 - 9
3 - 9.5
-
80% of maximal activity at pH 3.0 and pH 9.0, 50% at pH 9.5
3.2 - 5.5
-
acidic chitinase
3.6 - 6.9
-
high activity within this range
4 - 10
4 - 11
-
activity range, 71% of maximal activity at pH 11.0
4 - 6
4 - 7
4 - 7.5
Salmonella enterica typhimurium
-
high activity in this range
4 - 8
4 - 9
4.4 - 7.8
-
more than 60% activity between pH 4.4 and 7.8
4.5 - 5.5
-
-
4.5 - 6
more than 90% activity between pH 4.5 and 6.0
4.5 - 8
4.5 - 8.5
activity range, profile overview
4.5 - 9
4.8 - 7.5
the enzyme tends to be active under an acidic condition, which remain more than 60% highest activity between pH 4.8 and 7.5. When pH is at 8.0, the enzyme activity drops to 40% of its highest activity
4.9 - 8.8
-
basic chitinase
5 - 10
5 - 6.5
narrow pH spectrum, sharp decrease in activity below and above
5 - 8
5 - 8.5
-
isoenzmye I
5 - 9
-
pH 5.0: about 65% of maximal activity, pH 9.0: about 65% of maximal activity
5 - 9.5
-
activity range, profile overview
5.5 - 7
-
between pH 5.5 and 7, 80% activity
5.5 - 8.5
-
activity range, 10% of maximal activity at pH 5.5 and pH 8.5
6 - 7.8
-
the enzyme displays more than 50% of maximum activity in the pH range of 6.0 to 7.8
6 - 8
6 - 9
6 - 9.5
-
recombinant enzyme, activity range
additional information