Glycoside Hydrolase Family 19

Activities in Familychitinase (EC 3.2.1.14); lysozyme (EC 3.2.1.17)
Mechanism Inverting
Catalytic Nucleophile/BaseNot known
Catalytic Proton DonorNot known
NoteContains chitinases of classes I, II, and IV.
External resourcesCAZypedia; HOMSTRAD; PROSITE;
Statistics GenBank accession (5523); Uniprot accession (970); PDB accession (27); 3D entries (15); cryst (0)
All (4666) Bacteria (3341) Eukaryota (838) Viruses (485) unclassified (2) Structure (15) Characterized (176)
| 1 | 2 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 chitinase (pRYA1) (frameshift) 3.2.1.14 Aeromonas sp. 10S-24 BAA76716.1 Q9WXI9  
 chitinase I (Chi-1) 3.2.1.14 Bacillus circulans KA-304 BAD92016.1 Q59I46  
 chitinase B (ChiB) 3.2.1.14 Burkholderia gladioli CHB101 BAA92252.1 Q9LBM0  
 chitinase N (ChiN) 3.2.1.14 Chitiniphilus shinanonensis SAY3 BAK53965.1    
 chitinase (ChiB) 3.2.1.14 Nocardiopsis prasina OPC-131 BAC45252.1 Q8GI53  
 chitinase (Chi19;PtChi19;PTD2_01021) 3.2.1.14 Pseudoalteromonas tunicata D2 / CCUG 44952T EAR30107.1    
 chitinase F (ChiF;SC5H1.29c;SCO7263) (Chi19F) 3.2.1.14 Streptomyces coelicolor A3(2) CAB42954.1
BAA75646.1
BAA84194.1
NP_631319.1
Q9S6T0
Q9Z9M6
 
 chitinase G (ChiG;SCO0482;SCF80.03;SCF34.01) (Chi19G) 3.2.1.14 Streptomyces coelicolor A3(2) CAD55444.1
BAA75648.1
CAB57191.1
NP_733504.1
Q8CK55
Q9Z9M4
2CJL[A,B]
 chitinase A (ChiA) 3.2.1.14 Streptomyces cyaneus SP-27 BAG55920.1 B3XZQ2  
 chitinase (ChiF) 3.2.1.14 Streptomyces griseobrunneus S3 AAQ24634.1 Q6V8K4  
 chitinase C (ChiC) 3.2.1.14 Streptomyces griseus HUT 6037 BAA23739.1 O50152 1WVU[A,B]
1WVV[A,B]
2DBT[A,B,C]
 chitinase (Chi30;Chit30) 3.2.1.14 Streptomyces olivaceoviridis ATCC 11238 CAB37321.1 Q9Z4P2  
 chitinase IS (ChiIS) 3.2.1.14 Streptomyces sp. MG3 AAT27430.1 Q5J1K1  
 chitinase (Chi25) 3.2.1.14 Streptomyces thermoviolaceus OPC-520 BAA88834.1 Q9RHU4  
 chitinase (Chi35) 3.2.1.14 Streptomyces thermoviolaceus OPC-520 BAA88833.1 Q9RHU5  
 chitinase (reducing end-specific) 3.2.1.- Vibrio proteolyticus BAE86996.1 Q25BT4  
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 chitinase 1 3.2.1.14 Allium sativum AAA32641.1 Q38777  
 chitinase 2 3.2.1.14 Allium sativum AAA32640.1 Q38776  
 chitinase (ChiB) 3.2.1.14 Arabidopsis halleri subsp. gemmifera BAA82826.1 Q9SXJ1  
 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
P19171  
 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
O23248
Q9M2U5
 
 chitinase IV4 (ChitIV4;AtChitIV4;At2g43610) 3.2.1.14 Arabidopsis thaliana AAB64045.1
AAL62349.1
AAM48043.1
AEC10295.1
NP_181889.1
O22842  
 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
O24658  
 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
O24603  
 chitinase 2.1 3.2.1.14 Arachis hypogaea CAA57773.1
ADF87393.1
Q43322  
 chitinase 2.2 3.2.1.14 Arachis hypogaea CAA57774.1
AEO14153.1
AEO14154.1
Q42515  
 chitinase (Chi1;BoCHI1) 3.2.1.14 Bambusa oldhamii AAR18735.1 Q6SPQ7  
 chitinase (Ch1) 3.2.1.14 Beta vulgaris CAA01693.1
ABC04851.1
CAA55883.1
CAA56946.1
Q42421  
 chitinase 4 (Ch4) 3.2.1.14 Beta vulgaris CAA53544.1
CAA01677.1
   
 chitinase (SP2) 3.2.1.14 Beta vulgaris AAA32916.1 P42820  
 chitinase (Ch1;Chi2;Chi3) 3.2.1.14 Brassica juncea AAF02299.1
ABC04842.1
Q9SQF7 2Z37[A,B,C,D]
2Z38[A]
2Z39[A,B]
 chitinase 3.2.1.14 Brassica napus AAK62047.1
AAB01665.1
Q43391
Q94C47
 
 chitinase-25 3.2.1.14 Brassica napus AAA32986.1 Q09023  
 chitinase B4 3.2.1.14 Brassica napus CAA43708.1
AAK14960.1
Q06209
Q9AUF7
 
 chitinase (BiCht1) 3.2.1.14 Bromus inermis BAG12896.1 B1B6T0  
 chitinase 3.2.1.14 Canavalia ensiformis CAA07413.1 O81934 1DXJ[A]
 chitinase (Chi2;CaChi2) 3.2.1.14 Capsicum annuum AAC36359.1
AAX20032.1
O82552  
 lysozyme / chitinase (major) (partial) 3.2.1.14 Carica papaya   P81241
P85084
3CQL[B]
3CQL[A]
 chitinase 1B (ChiA1;Cas s 5) 3.2.1.14 Castanea sativa CAA64868.1
AAB01895.1
ADN39439.1
Q42428  
 chitinase (Cap9) 3.2.1.14 Chenopodium amaranticolor BAA22965.1 O23803  
 chitinase (Cam18) 3.2.1.14 Chenopodium amaranticolor BAA22966.1 O23804  
 chitinase (Cam19) 3.2.1.14 Chenopodium amaranticolor BAA22967.1 O23805  
 chitinase (Cam24) 3.2.1.14 Chenopodium amaranticolor BAA22968.1 O23806  
 chitinase 3.2.1.14 Cicer arietinum CAA10189.1 Q9ZP10  
 chitinase 3.2.1.14 Citrus sinensis CAA93847.1 Q43752  
 chitinase (Chi1) 3.2.1.14 Citrus sinensis AAC35981.1 O82547  
 chitinase (SafchiA) 3.2.1.14 Crocus sativus ACC68684.1 B5L6N2  
 chitinase 2 (Chi2) 3.2.1.14 Cucumis melo AAF64475.1
AAF69836.1
Q9LE03  
 chitinase (ChitP1) 3.2.1.14 Cucurbita cv. Ebisu Nankin BAA31131.1 O80404  
 chitinase Cht2 3.2.1.14 Cynodon dactylon AAC95376.1 Q9ZSE7  
 chitinase (ChiA4;Ep3;EP3-1/H5) 3.2.1.14 Daucus carota AAC49435.1 Q96408  
 chitinase (EP3B/E6) 3.2.1.14 Daucus carota AAB08470.1 Q96411  
 chitinase I (Chit1) 3.2.1.14 Dionaea muscipula AHB62682.1
AAT66917.1
AFH78563.1
ALO61073.1
Q6DUJ9  
 chitinase 3.2.1.14 Dioscorea japonica AAB23692.1 P80052  
 chitinase 3.2.1.14 Dioscorea oppositifolia BAC56863.1
ABJ31179.1
Q852P9  
 chitinase (acidic) 3.2.1.14 Elaeagnus umbellata AAC16010.1 O65330  
 chitinase (Basic) 3.2.1.14 Elaeagnus umbellata AAC16011.1 O65331  
 chitinase (Chi2-2) 3.2.1.14 Fragaria x ananassa AAG37276.1
AAL16893.1
Q944U5
Q9FPM1
 
 chitinase A (ChiA;BcChiA;BcChi-A) 3.2.1.14 Gemmabryum coronatum BAF99002.1 A9ZSX9 3WH1[A]
4IJ4[A]
 chitinase (ChiA1;ChN1) 3.2.1.14 Glycine max AAK01734.1
AAF17593.1
Q9SDY6  
 chitinase 3.2.1.14 Gossypium hirsutum CAA92277.1 P93154  
 chitinase 3.2.1.14 Gossypium hirsutum AAD11255.1 Q9ZTT8  
 chitinase 1 3.2.1.14 Gossypium hirsutum AAB67842.1
ADI56257.1
D7RTU7
Q39799
 
 chitinase 2 3.2.1.14 Gossypium hirsutum AAB68047.1
AAB01339.1
Q39785  
 chitinase 3.2.1.14 Hordeum vulgare AAA18586.1
CAA33407.1
P11955 1CNS[A,B]
2BAA[A]
 chitinase-26 (Chi26) 3.2.1.14 Hordeum vulgare AAA32941.1
AAA56786.1
AAE52538.1
BAK08350.1
CAA02316.1
P23951  
 chitinase-33 (Chi33) 3.2.1.14 Hordeum vulgare AAA56787.1
BAK04967.1
Q42839  
 chitinase (Cht2A) 3.2.1.14 Hordeum vulgare subsp. vulgare CAA55344.1
BAJ95335.1
BAJ99050.1
F2DJR4
Q43764
 
 chitinase II (Cht2B;PR-3;NIASHv1004G18) 3.2.1.14 Hordeum vulgare subsp. vulgare BAJ85236.1
ACJ68105.1
CAA55345.1
Q43765  
 chitinase (HCH1) 3.2.1.14 Humulus lupulus AAD34596.1 Q9XFK6  
 chitinase (KB1) 3.2.1.14 Leucaena leucocephala DE WIT (LEUCOPLAST) AAM49597.2 Q8MD06  
 class Ib chitinase (Chi31;LbChi31) 3.2.1.14 Limonium bicolor ACE79210.1
ABD92819.1
B3VFX0  
 chitinase 3.2.1.14 Medicago sativa AAB41324.1
AAB41325.1
ABX90065.1
P94084  
 chitinase 3.2.1.14 Medicago truncatula CAA71402.1
ABE78451.1
AFK35074.1
AFK39833.1
P93327  
 chitinase 1 (ChiA;McChit1) 3.2.1.14 Momordica charantia ABD66068.1 Q207U1  
 chitinase (Chi-1;MpChi-1) 3.2.1.14 Musa x paradisiaca ABD47583.1 Q2HJJ5  
 class IV chitinase (NaChit1;NaCHIT1) 3.2.1.14 Nepenthes alata BAF98919.1 A9ZMK1  
 endochitinase (ChnB) 3.2.1.14 Nicotiana sylvestris CAC17793.1 Q9FEW1  
 chitinase A (ChiA;Chn48;CHN A) 3.2.1.14 Nicotiana tabacum CAA34812.1
AAB23374.1
ABC04847.1
CAA01356.2
CAA01530.1
CAA34813.1
P08252  
 chitinase 3.2.1.14 Nicotiana tabacum AAA34106.1
AAE52537.1
CAA35790.1
P17513  
 chitinase 3.2.1.14 Nicotiana tabacum AAA34107.1
ABC04848.1
CAA35789.1
P17514  
 chitinase B (ChiB;Chn50;Chn200) 3.2.1.14 Nicotiana tabacum CAA35945.1
AAA34070.1
AAE52534.1
CAA01263.1
CAA45822.1
P24091  
 chitinase (Chn14) 3.2.1.14 Nicotiana tabacum CAA45821.1 P29059  
 chitinase 134 3.2.1.14 Nicotiana tabacum BAA33971.1 Q9ZWS3  
 chitinase 3.2.1.14 Oryza sativa CAA82849.1 Q40667  
 chitinase 3.2.1.14 Oryza sativa CAA82850.1 Q40668  
 chitinase (OsChi) 3.2.1.14 Oryza sativa Indica Group CPSLO17 ABU25226.1 A7UC81  
 chitinase (Rcht2) 3.2.1.14 Oryza sativa Indica Group IR36 AAL34317.1 Q8W4Z2  
 chitinase 3.2.1.14 Oryza sativa Indica Group IR36 BAA33762.1 Q9SAY3  
 chitinase 3.2.1.14 Oryza sativa Indica Group IR36 AAB67170.1
AAB58238.1
O04271  
 chitinase (Cht11) 3.2.1.14 Oryza sativa Indica Group IR36 AAB58239.1 O04272  
 chitinase 3.2.1.14 Oryza sativa Indica Group IR36 AAB67171.1 O22425  
 chitinase 3.2.1.14 Oryza sativa Indica Group IR36 AAA51377.1
AAL34318.1
Q42992
Q8VWZ5
 
 chitinase 3.2.1.14 Oryza sativa Indica Group IR36 CAA60590.1 Q42995  
 chitinase 3.2.1.14 Oryza sativa Indica Group IR58 AAA18585.1 Q42970  
 chitinase (ChiA1) 3.2.1.14 Oryza sativa IR24 AAN93816.1
AAN93817.1
BAA25638.1
O64451  
 chitinase (Cht7;ChiA1d;Os05g0399700) 3.2.1.14 Oryza sativa Japonica Group BAC76690.1
AAT85136.1
AAU10808.1
BAF17392.1
BAG92366.1
BAS93905.1
Q7Y1Z1  
 chitinase (Os03g0418000; Cht12) 3.2.1.14 Oryza sativa Japonica Group AAP44624.1
AAR01697.1
BAF12287.1
BAS84717.1
P25765  
 chitinase (Chia2b;Cht4;Os04g0493400) 3.2.1.14 Oryza sativa Japonica Group CAD41540.2
BAA19793.1
BAB21374.1
BAB21377.1
BAF15098.1
BAG94383.1
BAS89866.1
CAD41539.1
O04138
Q7XU64
 
 chitinase (Cht8;Chia2a;Rcht2;Os10g0542900) 3.2.1.14 Oryza sativa Japonica Group AAG13608.1
AAP54865.1
BAA31997.1
BAF27110.1
BAG91751.1
BAT11881.1
O80423
Q7XCK6
 
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