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Glycoside Hydrolase Family 19

Activities in FamilyChitinase (EC 3.2.1.14);
Lysozyme (EC 3.2.1.17);
[reducing end] exo-chitinase (EC 3.2.1.201);
Mechanism Inverting e
3D Structure Statuslysozyme fold
Catalytic Nucleophile/BaseNot known
Catalytic Proton DonorNot known
NoteContains chitinases of classes I, II, and IV.
External resourcesCAZypedia; HOMSTRAD; PROSITE;
Statistics GenBank accession (16762); Uniprot accession (129); PDB accession (35); 3D entries (21); cryst (0)
Summary
Download GH19 (15994) Taxonomic display Structure (21) Characterized (99)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 16 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D Subf
 class Ia chitinase (Chit1A)   Acacia koa AFY08283.1     2
 class Ib chitinase (Chit1B)   Acacia koa AFY08284.1     2
 class II chitinase (Chit2)   Acacia koa AFY08285.1     2
 chitinase   Acacia mangium BAO45893.1     2
 secreted protein   Achlya hypogyna ATCC 48635 AIG56150.1     2
 chitinase class I   Actinidia chinensis QAU20951.1     2
 class IV chitinase (Chi4)   Actinidia chinensis AET25429.1     2
 chitinase   Actinidia chinensis AGS80329.1     2
 chitinase   Actinidia eriantha AGS80332.1     2
 chitinase   Actinidia eriantha AGS80333.1     2
 I4U23_031188   Adineta vaga UJR38522.1     2
 I4U23_019918   Adineta vaga UJR32456.1     1
 I4U23_027500   Adineta vaga UJR34723.1     2
 I4U23_021920   Adineta vaga UJR34512.1     2
 I4U23_001276 (fragment)   Adineta vaga UJR14286.1    
 I4U23_012878   Adineta vaga UJR08619.1     2
 I4U23_012542   Adineta vaga UJR08270.1     2
 I4U23_011160   Adineta vaga UJR06871.1     2
 I4U23_015168   Adineta vaga UJR10983.1     1
 I4U23_012542   Adineta vaga UJR08269.1     2
 chitinase 1 (Chi1)   Aegiceras corniculatum AFK26307.1     2
 ORF (fragment)   Allium cepa AIS72983.1    
 chitinase 1   Allium sativum AAA32641.1     2
 chitinase 2   Allium sativum AAA32640.1     2
 chitinase (Chi3)   Allium sativum QVU21311.1
QVU21312.1		     2
 chitinase (Chi5)   Allium sativum QVU21313.1
QVU21314.1		     2
 chitinase (Chi2)   Allium sativum QVU21309.1
QVU21310.1		     2
 chitinase (Chi7)   Allium sativum QVU21315.1
QVU21316.1		     2
 chitinase (Pr3) (fragment)   Alnus glutinosa CAD21437.1     2
 acidic chitinase, partial (Pr3) (fragment)   Alternanthera philoxeroides QDH76349.1     2
 acidic chitinase, partial (Pr3) (fragment)   Alternanthera sessilis QDH76350.1     2
 class IV chitinase   Anacardium occidentale QLL26892.1     2
 chitinase   Anacardium occidentale QLL26893.1     2
 chitinase C (ChiC;PlChiC)   Ananas comosus BAF47270.1     2
 CB5_LOCUS14561   Ananas comosus var. bracteatus VUW63978.1
CAB5266253.1		     2
 CB5_LOCUS22996 (fragment)   Ananas comosus var. bracteatus VUW72411.1
CAB5274686.1		     2
 CB5_LOCUS3557 (fragment)   Ananas comosus var. bracteatus VUW52980.1
CAB5255255.1		     2
 CB5_LOCUS3561   Ananas comosus var. bracteatus VUW52984.1
CAB5255259.1		     2
 CB5_LOCUS3523 (fragment)   Ananas comosus var. bracteatus VUW52946.1
CAB5255221.1		     2
 CB5_LOCUS4499   Ananas comosus var. bracteatus CAD1821288.1     2
 CB5_LOCUS26744   Ananas comosus var. bracteatus CAD1843533.1     2
 CB5_LOCUS4448 (fragment)   Ananas comosus var. bracteatus CAD1821237.1     2
 CB5_LOCUS4447   Ananas comosus var. bracteatus CAD1821236.1     2
 CB5_LOCUS4491   Ananas comosus var. bracteatus CAD1821280.1     2
 CB5_LOCUS4496 (fragment)   Ananas comosus var. bracteatus CAD1821285.1     2
 CB5_LOCUS4449   Ananas comosus var. bracteatus CAD1821238.1     2
 CB5_LOCUS4494   Ananas comosus var. bracteatus CAD1821283.1     2
 CB5_LOCUS4498   Ananas comosus var. bracteatus CAD1821287.1     2
 CB5_LOCUS4446   Ananas comosus var. bracteatus CAD1821235.1     2
 CB5_LOCUS4450   Ananas comosus var. bracteatus CAD1821239.1     2
 CB5_LOCUS4492   Ananas comosus var. bracteatus CAD1821281.1     2
 CB5_LOCUS4445   Ananas comosus var. bracteatus CAD1821234.1     2
 CB5_LOCUS18416   Ananas comosus var. bracteatus CAD1835205.1     2
 CB5_LOCUS11848   Ananas comosus var. bracteatus CAD1828637.1     2
 class I chitinase-1, partial (Chiti-1) (fragment)   Ancistrocladus grandiflorus AFH78556.1     2
 Chiti-2 (fragment)   Ancistrocladus grandiflorus AFH78557.1    
 class I chitinase-1, partial (Chiti-1) (fragment)   Ancistrocladus robertsoniorum AFH78558.1    
 Chiti-2 (fragment)   Ancistrocladus robertsoniorum AFH78559.1    
 1257   Antonospora locustae HM-2013 (Antlo1)      
 H257_04901   Aphanomyces astaci APO3 ETV82190.1     2
 H257_19451 (fragment)   Aphanomyces astaci APO3 ETV63620.1     2
 class I-C chitinase   Apopellia endiviifolia (species B) QFS19063.1     2
 AARE701A_ LOCUS 419   Arabidopsis arenosa CAE5956658.1     2
 AARE701A_ LOCUS 114   Arabidopsis arenosa CAE5956335.1     2
 AARE701A_ LOCUS 13382   Arabidopsis arenosa CAE6076249.1     2
 AARE701A_ LOCUS 12781   Arabidopsis arenosa CAE6075387.1     2
 AARE701A_ LOCUS 17101   Arabidopsis arenosa CAE6141925.1     2
 AARE701A_ LOCUS 11315   Arabidopsis arenosa CAE6047427.1     2
 AARE701A_ LOCUS 11321   Arabidopsis arenosa CAE6047540.1     2
 AARE701A_ LOCUS 11320   Arabidopsis arenosa CAE6047511.1     2
 AARE701A_ LOCUS 7400   Arabidopsis arenosa CAE5967557.1     2
 AARE701A_ LOCUS 11322   Arabidopsis arenosa CAE6047562.1     2
 AARE701A_ LOCUS 11318   Arabidopsis arenosa CAE6047479.1     2
 AARE701A_ LOCUS 6989   Arabidopsis arenosa CAE5967005.1     2
 AARE701A_ LOCUS 11319   Arabidopsis arenosa CAE6047496.1     2
 AARE701A_ LOCUS 6990   Arabidopsis arenosa CAE5967006.1     2
 AARE701A_ LOCUS 11317 (fragment)   Arabidopsis arenosa CAE6047466.1     2
 AARE701A_ LOCUS 11317 (fragment)   Arabidopsis arenosa CAE6047466.1     2
 AARE701A_ LOCUS 11317 (fragment)   Arabidopsis arenosa CAE6047466.1     2
 chitinase (ChiB)   Arabidopsis halleri subsp. gemmifera BAA82826.1     2
 At3g12500 (chitinase B;ChiB;Pr3) (basic) 3.2.1.14 Arabidopsis thaliana AAA32769.1
AAG21643.1
AAG51023.1
AAK96819.1
AAM10081.1
AEE75203.1
BAA82810.1
BAA82811.1
BAA82812.1
BAA82813.1
BAA82814.1
BAA82815.1
BAA82816.1
BAA82817.1
BAA82818.1
BAA82819.1
BAA82820.1
BAA82821.1
BAA82822.1
BAA82823.1
BAA82824.1
BAA82825.1
BAB03157.1
NP_187856.1
NP_566426.1		 A0A5S9XBN8
P19171		   2
 chitinase IV5 (ChitIV5;CHIV;CHI-IV;AtChitIV5;AtChitIV;AtEP3;At3g54420) 3.2.1.14 Arabidopsis thaliana CAA74930.1
AAQ62423.1
AEE79228.1
BAD44251.1
CAB81807.1
NP_191010.1		 A0A178VE44
O23248
Q9M2U5		   2
 At2g43620   Arabidopsis thaliana AAB64044.1
AEC10296.1
NP_181890.1		     2
 chitinase IV4 (ChitIV4;AtChitIV4;At2g43610) 3.2.1.14 Arabidopsis thaliana AAB64045.1
AAL62349.1
AAM48043.1
AEC10295.1
NP_181889.1		 O22842   2
 At2g43600   Arabidopsis thaliana AAB64046.1
AAB64321.1
AAM14809.1
AEC10294.1
ANM62736.1
NP_181888.1		     2
 chitinase IV3 (ChitIV3;AtChitIV3;At2g43590) 3.2.1.14 Arabidopsis thaliana AAB64047.1
AAB64320.1
AAM14810.1
AAP88360.1
AEC10293.1
BAF00136.1
NP_181887.1		 A0A654F2Y0
O24658		   2
 At2g43580 (ChitIV2;AtChitIV2)   Arabidopsis thaliana AAB64048.1
AAB64319.1
AAM14811.1
AAP12878.1
AEC10292.1
BAC43195.1
NP_181886.1		     2
 chitinase IV1 (ChitIV1;AtChitIV1;At2g43570) 3.2.1.14 Arabidopsis thaliana AAB64049.1
AAB64318.1
AAM14808.1
AAM20661.1
AAO30080.1
AEC10291.1
BAE98366.1
NP_181885.1		 A0A178W3M3
O24603		   2
 At4g01700   Arabidopsis thaliana AAC72865.1
AAO23634.1
AEE82066.1
BAE99588.1
CAB77740.1
NP_192079.1		     2
 At3g47540   Arabidopsis thaliana AEE78294.1
ABK32188.1
AEE78295.1
BAC43319.1
CAB61980.1
NP_190338.1		     2
 At1g05850 (Ctl1;Hot2;Elp1;Pom1;CHITINASE-LIKE1;POM-POM1)   Arabidopsis thaliana AAF29391.1
AAG48821.1
AAK59442.1
AAL37736.1
AAL37737.1
AAM44973.1
AEE27904.1
ANM59031.1
BAH30273.1
NP_172076.1		     2
 At3g16920 (Ctl2;AtCTL2;CTL1-like)   Arabidopsis thaliana BAA94976.1
AAL06524.1
AAL90922.1
AEE75884.1
AEE75884.2
ANM65458.1
BAE98469.1
NP_188317.1		     2
 At1g02360   Arabidopsis thaliana AAG00887.1
AAT06417.1
AAT41815.1
ACH13174.1
AEE27420.1
ANM61189.1
ANM61190.1
NP_171738.1		     2
 At1g56680   Arabidopsis thaliana AAG09096.1
AAO42897.1
AEE33422.1
ANM57798.1
BAC43059.1
NP_176061.1		     2
 chitinase (fragment)   Arabis alpina AAF69768.1     2
 chitinase (fragment)   Arabis blepharophylla AAF69774.1     2
 chitinase   Arabis blepharophylla AAF69773.1     2
 DS421_16g533210   Arachis hypogaea QHN84956.1     2
 DS421_20g676950   Arachis hypogaea QHN80274.1
CAA40211.1		     2
 DS421_20g676940   Arachis hypogaea QHN80273.1     2
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