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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

Turnover Number

Turnover Number on EC 3.2.1.14 - chitinase

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TURNOVER NUMBER [1/s]
SUBSTRATE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
IMAGE
0.9
4-methyl-2-oxo-2H-chromen-7-yl 2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl]-2-deoxy-beta-D-glucopyranoside
-
37°C, C-terminal truncated enzyme ChiCWDELTAFC
0.05 - 1.83
4-methylumbelliferyl 2-acetamido-4-O-(2-acetamido-2,4-dideoxy-beta-D-xylo-hexopyranosyl)-2-deoxy-beta-D-glucopyranoside
4.98
4-methylumbelliferyl beta-D-N,N',N''-triacetylchitotrioside
mature enzyme lacking its signal peptide sequence, at pH 7.0 and 40°C
0.2 - 1.78
4-methylumbelliferyl beta-D-N,N'-diacetylchitobioside
0.089 - 0.76
4-methylumbelliferyl beta-N,N',N''-triacetylchitotrioside
2.87 - 31.8
4-methylumbelliferyl chitobioside
6.93
4-methylumbelliferyl chitotriose
-
pH 5.0, 37°C
0.0007 - 0.0012
4-methylumbelliferyl GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAc
2 - 67.4
4-methylumbelliferyl-beta-D-N,N',N''-triacetylchitotrioside
0.0047 - 0.006
4-methylumbelliferyl-GlcNAcbeta(1->4)GlcNAc
0.8 - 110.6
4-methylumbelliferyl-N,N',N''-triacetylchitotriose
0.52 - 24
4-methylumbelliferyl-N,N'-diacetylchitobiose
0.005 - 22.4
4-methylumbelliferyl-tri-N-acetylchitotriose
0.04
4-nitrophenol-beta-D-cellobioside
-
-
-
0.267 - 0.35
4-nitrophenyl 2-(acetylamino)-4-O-[2-(acetylamino)-2-deoxy-beta-D-glucopyranosyl]-2-deoxy-beta-D-glucopyranoside
0.107
4-nitrophenyl beta-D-N,N',N''-triacetylchitotrioside
at pH 4.0 and 50°C
0.022 - 6.7
4-nitrophenyl beta-N,N'-diacetylchitobioside
1.13
4-nitrophenyl N,N',N''-beta-D-triacetylchitotrioside
-
at pH 5.0 and 37°C
2.28 - 51.1
4-nitrophenyl N,N'-diacetyl-beta-D-chitobioside
0.99
4-nitrophenyl N,N'-diacetylchitobiose
recombinant enzyme, pH 5.5, 37°C
34
4-nitrophenyl N-acetyl-D-glucosaminide
at pH 5.0 and 40°C
0.79 - 19.54
4-nitrophenyl-beta-1,4-N,N'-diacetyl-chitobiose
1.7 - 13.9
beta-chitin
9.55 - 25.2
carboxymethyl chitin
0.003
cellulose
-
-
0.005 - 83.46
chitin
0.5 - 2.9
chitohexaose
0.0025
chitosan
-
-
366.7
CM-chitin-RBV
-
pH 5.0, 37°C
0.009 - 14400
colloidal chitin
-
0.1
ethlene glycol chitin
-
pH 3.9, 37°C
-
0.04 - 2.1
GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAc
0.06 - 3
GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAcbeta(1-4)GlcNAc
0.016 - 2.33
glycol chitin
-
1.06 - 3.15
glycolchitin
1500
methylumbelliferyl-beta-N',N',N'-triacetyl-chitotrioside
-
pH 5.0, 30°C
350
methylumbelliferyl-beta-N',N'-diacetyl-chitobioside
-
pH 5.0, 30°C
300
methylumbelliferyl-beta-N'-acetylglucosamine
-
pH 5.0, 30°C
0.12 - 0.77
N,N',N'',N''',N''''-pentaacetylchitopentaose
0.017
p-nitrophenol-beta-D-galactopyranoside
-
-
0.095
p-nitrophenol-beta-D-glucopyranoside
-
-
0.025
p-nitrophenol-beta-D-lactopyranoside
-
-
0.07
p-nitrophenol-beta-D-maltoside
-
-
0.032
p-nitrophenol-beta-D-mannopyranoside
-
-
0.383
p-nitrophenol-beta-D-N,N'-diacetylchitobioside
-
70°C, pH 7
0.11 - 2.59
p-nitrophenyl-N,N'-diacetylchitobiose
26.9 - 45.1
reduced chitopentaose
-
4.32 - 20.9
reduced N-acetylchitopentaose
-