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)
| 1 | ... | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | ... | 16 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D Subf
 chitinase II (Cht2)   Hordeum vulgare subsp. vulgare CAB99486.1     2
 chitinase (CHI) (fragment)   Hordeum vulgare subsp. vulgare CAB77546.1    
 chitinase (CHI) (fragment)   Hordeum vulgare subsp. vulgare CAB77545.1    
 Chi26 (fragment)   Hordeum vulgare subsp. vulgare AEF56931.1     2
 chitinase (HCH1)   Humulus lupulus AAD34596.1     2
 ORF (fragment)   Humulus lupulus AAW33783.1     2
 770669   Hyaloraphidium curvatum SAG235-1 v1.0 (Hyacur1)       2
 692900   Hyaloraphidium curvatum SAG235-1 v1.0 (Hyacur1)      
 GH19 family class II acidic chitinase   Ipomoea batatas QOD94995.1     2
 ItChiB (fragment)   Isatis tinctoria ACI23385.1    
 176501   Kickxella alabastrina RSA 675 v1.0 (Kicala1)       2
 LSAL_LOCUS11253 (fragment)   Lactuca saligna CAB4082874.1     2
 LSAL_LOCUS17726   Lactuca saligna CAB4089722.1     2
 LSAL_LOCUS11254 (fragment)   Lactuca saligna CAB4082875.1     2
 LSAL_LOCUS11254 (fragment)   Lactuca saligna CAB4082875.1     2
 LSAL_LOCUS17704 (fragment)   Lactuca saligna CAB4089700.1     2
 LSAL_LOCUS6267   Lactuca saligna CAB4077580.1     2
 LSAL_LOCUS29560   Lactuca saligna CAB4102269.1     2
 LSAL_LOCUS37674   Lactuca saligna CAB4110844.1     2
 LSAL_LOCUS4475   Lactuca saligna CAB4075708.1     2
 chitinase   Lactuca sativa ACX94236.1     2
 LATHSAT_LOCUS22260   Lathyrus sativus CAK8569404.1     2
 LATHSAT_LOCUS9880   Lathyrus sativus CAK8540923.1     2
 LATHSAT_LOCUS15456   Lathyrus sativus CAK8561908.1     2
 LATHSAT_LOCUS1376   Lathyrus sativus CAK8531598.1     2
 LATHSAT_LOCUS5373   Lathyrus sativus CAK8535960.1     2
 LATHSAT_LOCUS13147   Lathyrus sativus CAK8544471.1     2
 chitinase (KBchit5-3-1)   Leucaena leucocephala DE WIT AAM77665.1     2
 chitinase (KB1) 3.2.1.14 Leucaena leucocephala DE WIT (LEUCOPLAST) AAM49597.2 Q8MD06   2
 chitinase   Leymus chinensis ACV20870.1     2
 ORF   Lilium longiflorum AUW34374.1     2
 chitinase 1   Lilium longiflorum QBZ68892.1     2
 ORF   Lilium longiflorum QBZ68897.1     2
 chitinase 1, partial (fragment)   Lilium longiflorum AIR76996.1     2
 chitinase 2, partial (fragment)   Lilium longiflorum AIR77004.1     2
 chitinase (Chi2)   Lilium regale UDM59203.1     2
 class Ib chitinase (Chi31;LbChi31) 3.2.1.14 Limonium bicolor ACE79210.1
ABD92819.1
B3VFX0
Q1W6C5
  2
 class I chitinase (Chi32;LbCHI32) 3.2.1.14 Limonium bicolor ABD92820.1
ACE79211.1
B3VFX1
Q1W6C4
  2
 123223   Linderina pennispora ATCC 12442 v1.0 (Linpe1)       2
 263820   Linderina pennispora ATCC 12442 v1.0 (Linpe1)       2
 322337   Linderina pennispora ATCC 12442 v1.0 (Linpe1)       2
 chitinase (ChiF;LuChiF) (fragment)   Linum usitatissimum ABA39179.1
AAB53223.1
    2
 chitinase (Chit) (fragment)   Linum usitatissimum AAW31878.1     2
 chitinase   Linum usitatissimum WMZ41542.1     2
 class I chitinase (Chit1)   Lolium arundinaceum ACJ23248.1     2
 pathogenesis-related protein 3-1 (Pr3-1) (fragment)   Lolium perenne AEO11772.1     2
 pathogenesis-related protein 3-2 (Pr3-2) (fragment)   Lolium perenne AEO11773.1     2
 unknown   Lotus japonicus AFK33496.1     2
 unknown   Lotus japonicus AFK34282.1     2
 unknown   Lotus japonicus AFK37127.1     2
 unknown   Lotus japonicus AFK37149.1     2
 unknown   Lotus japonicus AFK40521.1     2
 unknown (fragment)   Lotus japonicus AFK35528.1     2
 CHT-1 (fragment)   Malus domestica AAM12888.1     2
 CHT-2 (fragment)   Malus domestica AAM12889.1     2
 CHT-3 (fragment)   Malus domestica AAM12890.1     2
 chitinase   Malus domestica ACJ38195.1     2
 class II chitinase (ChtmA)   Malus domestica ADQ39593.1     2
 pathogenesis related protein 3 (Pr3-ch2)   Malus domestica AGO20704.1
AGO20704.3
    2
 chitinase (fragment)   Mangifera indica ACD69683.1     2
 class IV chitinase   Mangifera indica UYO79699.1     2
 Mp_4g23630 (fragment)   Marchantia polymorpha subsp. ruderalis Tak-1 BBN09901.1     2
 Mp_5g02050   Marchantia polymorpha subsp. ruderalis Tak-1 BBN10236.1     2
 Mp_5g02510   Marchantia polymorpha subsp. ruderalis Tak-1 BBN10312.1     2
 Mp_2g21810 (fragment)   Marchantia polymorpha subsp. ruderalis Tak-1 BBN03228.1     2
 Mp_5g21830   Marchantia polymorpha subsp. ruderalis Tak-1 BBN12655.1     2
 Mp_4g20450   Marchantia polymorpha subsp. ruderalis Tak-1 BBN09525.1     2
 Mp_4g01780   Marchantia polymorpha subsp. ruderalis Tak-1 BBN07188.1     2
 Mp_5g02490 (fragment)   Marchantia polymorpha subsp. ruderalis Tak-1 BBN10306.1     2
 Mp_4g20440   Marchantia polymorpha subsp. ruderalis Tak-1 BBN09524.1     2
 Mp_5g02480   Marchantia polymorpha subsp. ruderalis Tak-1 BBN10305.1     2
 Mp_4g04430   Marchantia polymorpha subsp. ruderalis Tak-1 BBN07546.1     2
 Mp_2g24440   Marchantia polymorpha subsp. ruderalis Tak-1 BBN03556.1     2
 Mp_5g02110   Marchantia polymorpha subsp. ruderalis Tak-1 BBN10246.1     2
 Mp_5g02500 (fragment)   Marchantia polymorpha subsp. ruderalis Tak-1 BBN10309.1    
 Mp_2g24410   Marchantia polymorpha subsp. ruderalis Tak-1 BBN03553.1     2
 Mp_7g04510   Marchantia polymorpha subsp. ruderalis Tak-1 BBN16224.1     2
 Mp_4g20470   Marchantia polymorpha subsp. ruderalis Tak-1 BBN09527.1     2
 271163   Martensiomyces pterosporus CBS 209.56 v1 (Marpt1)       2
 338378   Martensiomyces pterosporus CBS 209.56 v1 (Marpt1)       2
 338374   Martensiomyces pterosporus CBS 209.56 v1 (Marpt1)       2
 285669   Martensiomyces pterosporus CBS 209.56 v1 (Marpt1)       2
 322016   Martensiomyces pterosporus CBS 209.56 v1 (Marpt1)       2
 322015   Martensiomyces pterosporus CBS 209.56 v1 (Marpt1)       2
 class IV chitinase (Chi)   Medicago sativa ACL36992.1
ACM68928.1
    2
 chitinase   Medicago sativa ADI79351.1     2
 chitinase   Medicago sativa AAB41324.1
AAB41325.1
ABX90065.1
    2
 chitinase   Medicago sativa AAV66072.1     2
 class I chitinase, partial (Chit1) (fragment)   Medicago sativa subsp. x varia ALX18669.1     2
 chitinase   Medicago truncatula CAA71402.1
ABE78451.1
AFK35074.1
AFK39833.1
    2
 unknown   Medicago truncatula AFK41090.1     2
 unknown   Medicago truncatula AFK35483.1     2
 MtrDRAFT_AC146308g16v1   Medicago truncatula ABE91488.1
AAF67830.1
    2
 MtrDRAFT_AC146308g15v1 or MtrDRAFT_AC137554g24v1   Medicago truncatula ABE81535.2
ABE81535.1
ABE91487.1
ABE91487.2
    2
 MtrDRAFT_AC137554g23v1   Medicago truncatula ABE81534.1
AFK40619.1
    2
 MtrDRAFT_AC160516g8v2   Medicago truncatula ABN08775.1
ACJ84914.1
ACJ85217.1
AFK38281.1
AFK49011.1
    2
 MtrDRAFT_AC146308g35v2 (fragment)   Medicago truncatula ABO81294.1    
 MtrDRAFT_AC148763g26v1   Medicago truncatula ABO82833.1     2
 MtrDRAFT_AC148763g10v1   Medicago truncatula ABO82837.1
AFK47528.1
    2
 MtrDRAFT_AC126778g12v2   Medicago truncatula ABP02263.1
ACJ84650.1
AFK46708.1
    2
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