Glycoside Hydrolase Family 19

Known Activitieschitinase (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; InterPro; PFAM; PROSITE;
Statistics GenBank accession (1941); Uniprot accession (944); PDB accession (16); 3D entries (8); cryst (0)
All (1219) Bacteria (475) Eukaryota (636) Viruses (106) unclassified (2) Structure (8 ) Characterized (165)
Bacteria
Protein Name EC#OrganismGenBankUniprotPDB/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 F (ChiF;SC5H1.29c;SCO7263) (Chi19F) 3.2.1.14 Streptomyces coelicolor A3(2) BAA75646.1
BAA84194.1
CAB42954.1
NP_631319.1
Q9S6T0
Q9Z9M6
 
 chitinase G (ChiG;SCO0482;SCF80.03;SCF34.01) 3.2.1.14 Streptomyces coelicolor A3(2) BAA75648.1
CAB57191.1
CAD55444.1
NP_733504.1
Q8CK55
Q9Z9M4
2CJL[A,B]
 chitinase A (ChiA) 3.2.1.14 Streptomyces cyaneus SP-27 BAG55920.1 B3XZQ2  
 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#OrganismGenBankUniprotPDB/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
P19171.3  
 At3g54420 (chitinase;CHIV;AtChitIV;AtEP3) 3.2.1.14 Arabidopsis thaliana AAQ62423.1
AEE79228.1
BAD44251.1
CAA74930.1
CAB81807.1
NP_191010.1
O23248
Q9M2U5
 
 chitinase 2.1 3.2.1.14 Arachis hypogaea ADF87393.1
CAA57773.1
Q43322  
 chitinase 2.2 3.2.1.14 Arachis hypogaea AEO14153.1
AEO14154.1
CAA57774.1
Q42515  
 chitinase (Chi1;BoCHI1) 3.2.1.14 Bambusa oldhamii AAR18735.1 Q6SPQ7  
 chitinase (Ch1) 3.2.1.14 Beta vulgaris ABC04851.1
CAA01693.1
CAA55883.1
CAA56946.1
Q42421  
 chitinase 4 (Ch4) 3.2.1.14 Beta vulgaris CAA01677.1
CAA53544.1
   
 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 AAB01665.1
AAK62047.1
Q43391
Q94C47
 
 chitinase-25 3.2.1.14 Brassica napus AAA32986.1 Q09023  
 chitinase B4 3.2.1.14 Brassica napus AAK14960.1
CAA43708.1
Q06209
Q9AUF7
 
 chitinase (BiCht1) 3.2.1.14 Bromus inermis BAG12896.1 B1B6T0  
 chitinase A (ChiA;BcChiA;BcChi-A) 3.2.1.14 Bryum coronatum BAF99002.1 A9ZSX9  
 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) (fragment) 3.2.1.14 Carica papaya   P81241
P85084
3CQL[A,B]
 chitinase (CpCHI) 3.2.1.14 Carica papaya      
 chitinase 1B (ChiA1;Cas s 5) 3.2.1.14 Castanea sativa AAB01895.1
ADN39439.1
CAA64868.1
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 3.2.1.14 Dioscorea japonica AAB23692.1 P80052  
 chitinase 3.2.1.14 Dioscorea oppositifolia ABJ31179.1
BAC56863.1
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 (ChiA1;ChN1) 3.2.1.14 Glycine max AAF17593.1
AAK01734.1
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 AAB01339.1
AAB68047.1
Q39785  
 chitinase 3.2.1.14 Hordeum vulgare AAA18586.1
CAA33407.1
P11955.4 1CNS[A,B]
2BAA[A]
 chitinase-26 (Chi26) 3.2.1.14 Hordeum vulgare AAA32941.1
AAA56786.1
AAE52538.1
BAK08350.1
CAA02316.1
P23951.1  
 chitinase-33 (Chi33) 3.2.1.14 Hordeum vulgare AAA56787.1
BAK04967.1
Q42839  
 chitinase (Cht2A) 3.2.1.14 Hordeum vulgare subsp. vulgare BAJ95335.1
BAJ99050.1
CAA55344.1
Q43764  
 chitinase II (Cht2B;PR-3;NIASHv1004G18) 3.2.1.14 Hordeum vulgare subsp. vulgare ACJ68105.1
BAJ85236.1
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 ABD92819.1
ACE79210.1
B3VFX0  
 chitinase 3.2.1.14 Medicago sativa AAB41324.1
AAB41325.1
ABX90065.1
P94084  
 chitinase 3.2.1.14 Medicago truncatula ABE78451.1
CAA71402.1
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  
 endochitinase (ChnB) 3.2.1.14 Nicotiana sylvestris CAC17793.1 Q9FEW1  
 chitinase A (ChiA;Chn48;CHN A) 3.2.1.14 Nicotiana tabacum AAB23374.1
ABC04847.1
CAA01356.2
CAA01530.1
CAA34812.1
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
P17514.1  
 chitinase B (ChiB;Chn50;Chn200) 3.2.1.14 Nicotiana tabacum AAA34070.1
AAE52534.1
CAA01263.1
CAA35945.1
CAA45822.1
P24091.1  
 chitinase (Chn14) 3.2.1.14 Nicotiana tabacum CAA45821.1 P29059.1  
 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 AAB58238.1
AAB67170.1
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 AAT85136.1
AAU10808.1
BAC76690.1
BAF17392.1
BAG92366.1
Q7Y1Z1  
 chitinase (Os03g0418000; Cht12) 3.2.1.14 Oryza sativa Japonica Group AAP44624.1
AAR01697.1
BAF12287.1
P25765  
 chitinase (Chia2b;Cht4;Os04g0493400) 3.2.1.14 Oryza sativa Japonica Group BAA19793.1
BAB21374.1
BAB21377.1
BAF15098.1
BAG94383.1
CAD41539.1
CAD41540.2
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
O80423
Q7XCK6
 
 chitinase (Cht1;Chia1a;Cht-1;P0017G10.4;P0548E04.24;Os06g0726200) 3.2.1.14 Oryza sativa Japonica Group ABL74564.1
BAA03749.1
BAD61709.1
BAD61801.1
CAA39535.1
Q42993  
 chitinase (Cht3;Chia1c;Cht-3;Os06g0726100) 3.2.1.14 Oryza sativa Japonica Group ADM86858.1
BAA03751.1
BAD61708.1
BAD61800.1
BAF20540.1
BAG87832.1
CAA38249.1
P24626.2
Q0D9D3
 
 chitinase (Cht2;OsChia1b;Cht-2;Os05g0399300;RCC2) 3.2.1.14 Oryza sativa Japonica Group BAA03750.1
BAF17390.1
CAA40107.1
Q43294
Q7DNA1
2DKV[A]
3IWR[A,B]
 chitinase (Cht11;Os03g0132900) 3.2.1.14 Oryza sativa Japonica Group BAF10785.1
BAG94083.1
Q10S66  
 class 1 chitinase (Chi-1;SBF1;SBF2) 3.2.1.4 Panax ginseng ACN96317.1 C1K2M3  
 chitinase (Chi1) 3.2.1.14 Persea americana CAB01591.1 P93680  
 chitinase (Chi2-2) 3.2.1.14 Petroselinum crispum AAD54936.1 Q9SPT8  
 chitinase (Chi2-1) 3.2.1.14 Petroselinum crispum AAD54935.1 Q9SPT9  
 chitinase (Chi1) 3.2.1.14 Petroselinum crispum AAD54934.1 Q9SPU0  
 chitinase 3.2.1.14 Petunia x hybrida CAA01262.1
CAA35791.1
P29021.1  
 chitinase 3.2.1.14 Phaseolus vulgaris AAA33756.1
AAE52535.1
P06215.1  
 chitinase-4 3.2.1.14 Phaseolus vulgaris ABC04849.1
CAA40474.1
P27054.1  
 chitinase-5 3.2.1.14 Phaseolus vulgaris AAB23263.1
AAR27240.2
P36361.1  
 chitinase (Chia4-Pa2;PaChi) 3.2.1.14 Picea abies AAQ17051.1
ACM89954.1
Q6WSR8 3HBD[A]
3HBE[X]
3HBH[A]
 chitinase 3.2.1.14 Picea glauca AAA85364.1 Q40838  
 chitinase 3.2.1.14 Pinus strobus AAC49718.1 O04276  
 chitinase 3.2.1.14 Pisum sativum CAA45359.1 P36907.1  
 chitinase 2 3.2.1.14 Pisum sativum AAA75196.1 P21226.2  
 chitinase (Chi2) 3.2.1.14 Poa pratensis AAF04454.1 Q9SQL3  
 chitinase (Chi1) 3.2.1.14 Poa pratensis AAF04453.1 Q9SQL4  
 chitinase 6 3.2.1.14 Populus sp. AAA57277.1
AAA57278.1
AAA96701.1
P16579.2  
 chitinase 8 (WIN8;CHI) 3.2.1.14 Populus sp. AAA96702.1
AAE52536.1
P16061.1  
 chitinase B 3.2.1.14 Populus trichocarpa CAA42612.1 P29031.2  
 chitinase 3.2.1.14 Psophocarpus tetragonolobus BAB13369.1 Q9FXL8  
 chitinase (JET15) 3.2.1.14 Sambucus nigra CAA87072.1 Q43150  
 chitinase (JET19) 3.2.1.14 Sambucus nigra CAA87074.1 Q43151  
 chitinase A (RsC-A) 3.2.1.14 Secale cereale BAB18519.1 Q9FRV1  
 chitinase C (RsC-C) 3.2.1.14 Secale cereale BAB18520.1 Q9FRV0  
 endochitinase-antifreeze protein (Cht46) 3.2.1.14 Secale cereale AAG53610.1 Q9AXR8  
 endochitinase-antifreeze protein (Cht9) 3.2.1.14 Secale cereale AAG53609.1 Q9AXR9  
 chitinase A 3.2.1.14 Solanum chilense AAA64998.1
AAA64999.1
Q40114.1  
 chitinase (Chi2) 3.2.1.14 Solanum lycopersicum AAB08443.1 Q42878  
 chitinase A (Chi3) 3.2.1.14 Solanum lycopersicum BAC76900.1
CAA78846.1
Q05539
Q7Y0S1
 
 chitinase B (Chi17) 3.2.1.14 Solanum lycopersicum CAA78844.1 Q05540  
 chitinase C (Chi9) 3.2.1.14 Solanum lycopersicum CAA78845.1 Q05538  
 chitinase D (Chi14) 3.2.1.14 Solanum lycopersicum CAA78843.1 Q05537  
 chitinase (ChtA3) 3.2.1.14 Solanum tuberosum AAB81962.1 Q9SBJ9  
 chitinase 3.2.1.14 Solanum tuberosum AAE52533.1
CAA30142.1
CAA33517.1
P05315.1  
 chitinase (ChtB3) 3.2.1.14 Solanum tuberosum CAA32351.1 P52405  
 chitinase (Sk2) 3.2.1.14 Solanum tuberosum CAA47921.1 Q43184  
 chitinase (ChtA2) 3.2.1.14 Solanum tuberosum AAB96341.1 Q43834  
 chitinase 1 (ChtB1) 3.2.1.14 Solanum tuberosum AAA18332.1 P52403  
 chitinase 2 (ChtB2) 3.2.1.14 Solanum tuberosum AAA17408.1 P52404  
 chitinase 3 (ChtB3) 3.2.1.14 Solanum tuberosum AAA17409.1 P52405
P52405.1
 
 chitinase 4 (ChtB4) 3.2.1.14 Solanum tuberosum AAA17410.1 P52406  
 chitinase (ChtA1) 3.2.1.14 Solanum tuberosum AAB96340.1
CAC51362.1
Q43835  
 chitinase (ChtA4) 3.2.1.14 Solanum tuberosum AAB81963.1 O22568  
 chitinase (ChtC1) 3.2.1.14 Solanum tuberosum AAC24807.1 O81144  
 chitinase (ChtC2) 3.2.1.14 Solanum tuberosum AAC24808.1
AAF25602.1
O81145  
 chitinase (ChiA1) 3.2.1.14 Theobroma cacao AAA80656.1 Q41596  
 chitinase 3.2.1.14 Triticum aestivum AAR11388.1 Q6T484  
 chitinase (Chi) 3.2.1.14 Triticum aestivum ACS04160.1
ACS04170.1
ACS04171.1
ACS04172.1
ACS04173.1
ACS04177.1
ACS04178.1
CAA53626.1
Q41539  
 chitinase II (Cht2) 3.2.1.14 Triticum aestivum AAD28730.1 Q9XEN3  
 chitinase IV (Cht4) 3.2.1.14 Triticum aestivum AAD28733.1 Q9XEN6  
 chitinase 3.2.1.14 Ulmus americana AAA34214.1
AAY82487.1
Q43853  
 chitinase / agglutinin isolectin I 3.2.1.14 Urtica dioica AAA34219.1
AAB23919.1
AAD03614.1
AAE52532.1
ABC04850.1
P11218
Q9SYR1
 
 chitinase 1 3.2.1.14 Vigna unguiculata CAA61278.1 Q43685  
 chitinase 4 3.2.1.14 Vigna unguiculata CAA61281.1 Q43686  
 chitinase 3.2.1.14 Vigna unguiculata subsp. sesquipedalis AAG23965.1 Q9FUH3  
 chitinase (Chi4A) 3.2.1.14 Vitis vinifera AAB65776.1 O24530  
 chitinase (Chi4B) 3.2.1.14 Vitis vinifera AAB65777.1 O24531  
 chitinase B (Chit1B) 3.2.1.14 Vitis vinifera CAA90970.1 P51613
Q546P8
 
 chitinase (Chi1b) 3.2.1.14 Vitis vinifera AAD04295.1 Q9ZTK4  
 chitinase (Chit1b; VITISV_033490) 3.2.1.14 Vitis vinifera CAC14015.1
CAN62784.1
Q9FS45  
 chitinase (Chit1A; VITISV_016509) 3.2.1.14 Vitis vinifera ABB53242.1
ABD64683.1
ABD64684.1
CAC14014.1
CAN76701.1
P51613
Q546P8
 
 chitinase B (ChitB) 3.2.1.14 Zea mays AAA33445.1 P29023.1  
 chitinase (pCh2;uiu5;ChiI93771;Zm.847;Zm.93771) 3.2.1.14 Zea mays AAA62421.1 Q41794  
 chitinase (ChiA1;ChiI201;Zm.201) 3.2.1.14 Zea mays AAA62420.1 Q41795  
 chitinase A (ChitA;ChitA-B73;GRMZM2G051943) 3.2.1.14 Zea mays B73 AAA33444.1
ACF85519.1
ACF88402.1
B4FTS6
P29022.1
 
Viruses
Protein Name EC#OrganismGenBankUniprotPDB/3D
 lysozyme (Gp69;ORF69) 3.2.1.17 Microcystis aeruginosa phage Ma-LMM01 BAF36160.1 A0A7I3  
 bacterial lytic enzyme (ORF184;RSL1_ORF181) 3.2.1.17 Ralstonia phage RSL1 BAG41629.1 B2ZY61  

Footnotes

Experimental characterization exclusively covers enzyme activities at present. If you are aware of any missing experimental characterization that should be mentioned here, we encourage you to send your comment and support of the experimental evidence, including an electronic copy or appropriate link to the support material (i.e., article(s), thesis, database, etc), to cazy@afmb.univ-mrs.fr.





Last update: 2012-01-31 © Copyright 1998-2012
AFMB - CNRS - Universités Aix-Marseille I & II