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 (6431); Uniprot accession (970); PDB accession (28); 3D entries (16); cryst (0)
All (5562) Bacteria (4064) Eukaryota (890) Viruses (606) unclassified (2) Structure (16) Characterized (176)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 class I chitinase (Chi1;HrChi1)   Hippophae rhamnoides AFC88126.1    
 chitinase (CHI) (fragment)   Hordeum bulbosum CAB77452.1 Q9M3Q2  
 chitinase (CHI) (fragment)   Hordeum bulbosum CAB77450.1 Q9M3Q4  
 chitinase (CHI) (fragment)   Hordeum bulbosum CAB77449.1 Q9M3Q5  
 chitinase (CHI) (fragment)   Hordeum chilense CAB77456.1 Q9M3N8  
 chitinase (CHI) (fragment)   Hordeum chilense CAB77455.1 Q9M3N9  
 chitinase (CHI) (fragment)   Hordeum chilense CAB77454.1 Q9M3P0  
 chitinase (CHI) (fragment)   Hordeum chilense CAB77453.1 Q9M3P1  
 chitinase (CHI) (fragment)   Hordeum marinum subsp. gussoneanum CAB77518.1 Q9M3P5  
 chitinase (CHI) (fragment)   Hordeum marinum subsp. marinum CAB77517.1 Q9M3P6  
 chitinase (CHI) (fragment)   Hordeum marinum subsp. marinum CAB77516.1 Q9M3P7  
 chitinase (CHI) (fragment)   Hordeum murinum subsp. glaucum CAB77520.1 Q9M3R1  
 chitinase (CHI) (fragment)   Hordeum murinum subsp. glaucum CAB77519.1 Q9M3R2  
 chitinase (CHI) (fragment)   Hordeum murinum subsp. leporinum CAB77521.1
CAB77522.1
Q9M3Q9  
 chitinase (CHI) (fragment)   Hordeum murinum subsp. murinum CAB77525.1 Q9M3Q6  
 chitinase (CHI) (fragment)   Hordeum murinum subsp. murinum CAB77524.1 Q9M3Q7  
 chitinase (CHI) (fragment)   Hordeum murinum subsp. murinum CAB77523.1 Q9M3Q8  
 chitinase CHI (fragment)   Hordeum secalinum CAB77670.1
CAB77668.1
CAB77669.1
Q9M3P2
Q9M3P3
Q9M3P4
 
 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, partial (fragment)   Hordeum vulgare AGS38341.1    
 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  
 NIASHv2116M17   Hordeum vulgare subsp. vulgare BAK01982.1    
 predicted protein   Hordeum vulgare subsp. vulgare BAK08163.1    
 predicted protein   Hordeum vulgare subsp. vulgare BAK00996.1    
 chitinase II (Cht2)   Hordeum vulgare subsp. vulgare CAB99486.1    
 chitinase (CHI) (fragment)   Hordeum vulgare subsp. vulgare CAB77546.1 Q9M3Q0  
 chitinase (CHI) (fragment)   Hordeum vulgare subsp. vulgare CAB77545.1 Q9M3Q1  
 Chi26 (fragment)   Hordeum vulgare subsp. vulgare AEF56931.1    
 chitinase (HCH1) 3.2.1.14 Humulus lupulus AAD34596.1 Q9XFK6  
 ORF (fragment)   Humulus lupulus AAW33783.1 Q5I6L0  
 ItChiB (fragment)   Isatis tinctoria ACI23385.1 C3S7U7  
 chitinase   Lactuca sativa ACX94236.1 D0QU15  
 chitinase (KBchit5-3-1)   Leucaena leucocephala DE WIT AAM77665.1 Q8LK49  
 chitinase (KB1) 3.2.1.14 Leucaena leucocephala DE WIT (LEUCOPLAST) AAM49597.2 Q8MD06  
 chitinase   Leymus chinensis ACV20870.1 C8CG67  
 ORF   Lilium longiflorum AUW34374.1    
 chitinase 1, partial (fragment)   Lilium longiflorum AIR76996.1    
 chitinase 2, partial (fragment)   Lilium longiflorum AIR77004.1    
 class Ib chitinase (Chi31;LbChi31) 3.2.1.14 Limonium bicolor ACE79210.1
ABD92819.1
B3VFX0  
 class I chitinase (Chi32;LbCHI32)   Limonium bicolor ABD92820.1
ACE79211.1
Q1W6C4  
 chitinase (ChiF;LuChiF) (fragment)   Linum usitatissimum ABA39179.1
AAB53223.1
O04881
Q3HUM0
 
 chitinase (Chit) (fragment)   Linum usitatissimum AAW31878.1 Q5I707  
 pathogenesis-related protein 3-1 (Pr3-1) (fragment)   Lolium perenne AEO11772.1    
 pathogenesis-related protein 3-2 (Pr3-2) (fragment)   Lolium perenne AEO11773.1    
 unknown   Lotus japonicus AFK33496.1    
 unknown   Lotus japonicus AFK34282.1    
 unknown   Lotus japonicus AFK37127.1    
 unknown   Lotus japonicus AFK37149.1    
 unknown   Lotus japonicus AFK40521.1    
 unknown (fragment)   Lotus japonicus AFK35528.1    
 CHT-1 (fragment)   Malus domestica AAM12888.1 Q8RVN2  
 CHT-2 (fragment)   Malus domestica AAM12889.1 Q8RVN1  
 CHT-3 (fragment)   Malus domestica AAM12890.1 Q8RVN0  
 chitinase   Malus domestica ACJ38195.1    
 class II chitinase (ChtmA)   Malus domestica ADQ39593.1 E5LCK4  
 pathogenesis related protein 3 (Pr3-ch2)   Malus domestica AGO20704.1
AGO20704.3
   
 chitinase (fragment)   Mangifera indica ACD69683.1 D3TIC1  
 class IV chitinase (Chi)   Medicago sativa ACL36992.1
ACM68928.1
B8Y647  
 chitinase   Medicago sativa ADI79351.1 D9IZ78  
 chitinase 3.2.1.14 Medicago sativa AAB41324.1
AAB41325.1
ABX90065.1
P94084  
 chitinase   Medicago sativa AAV66072.1 Q5RLX9  
 class I chitinase, partial (Chit1) (fragment)   Medicago sativa subsp. x varia ALX18669.1    
 chitinase 3.2.1.14 Medicago truncatula CAA71402.1
ABE78451.1
AFK35074.1
AFK39833.1
P93327  
 unknown   Medicago truncatula AFK41090.1    
 unknown   Medicago truncatula AFK35483.1    
 MtrDRAFT_AC146308g16v1   Medicago truncatula ABE91488.1
AAF67830.1
   
 MtrDRAFT_AC146308g15v1 or MtrDRAFT_AC137554g24v1   Medicago truncatula ABE81535.2
ABE81535.1
ABE91487.1
ABE91487.2
   
 MtrDRAFT_AC137554g23v1   Medicago truncatula ABE81534.1
AFK40619.1
   
 MtrDRAFT_AC160516g8v2   Medicago truncatula ABN08775.1
ACJ84914.1
ACJ85217.1
AFK38281.1
AFK49011.1
A2Q575  
 MtrDRAFT_AC146308g35v2 (fragment)   Medicago truncatula ABO81294.1    
 MtrDRAFT_AC148763g26v1   Medicago truncatula ABO82833.1    
 MtrDRAFT_AC148763g10v1   Medicago truncatula ABO82837.1
AFK47528.1
   
 MtrDRAFT_AC126778g12v2   Medicago truncatula ABP02263.1
ACJ84650.1
AFK46708.1
   
 MtrDRAFT_AC148763g19v1   Medicago truncatula ABO82836.1
AAF67825.1
AFK34539.1
Q9M6Q6  
 chitinase (fragment)   Medicago truncatula AAF67824.1 Q9M6Q7  
 chitinase (Chit4)   Medicago truncatula R108-1 AAR87869.1 Q6RV28  
 ORF   Melittobia sp. EOM-2016 ALV66643.1    
 ORF   Melittobia sp. EOM-2016 ALV66647.1    
 ORF   Melittobia sp. EOM-2016 ALV66648.1    
 chitinase (Chi1)   Mikania micrantha ACD93719.1
ACO25187.1
D7EZN5  
 chitinase (CHI)   Mirabilis jalapa AHA62771.1    
 chitinase 1 (ChiA;McChit1) 3.2.1.14 Momordica charantia ABD66068.1 Q207U1  
 ORF (partial)   Morus alba BAL04609.1
AOQ25971.1
   
 class I chitinase LA-c   Morus alba BAL04610.1    
 ORF (fragment)   Morus alba BAO09558.1    
 ORF (fragment)   Morus alba BAO09559.1    
 mulatexin / latex protein (MLX56)   Morus alba ABS86614.2
BAL04607.1
BAL04608.1
A7XQ02  
 latex protein MLX56-6   Morus alba var. alba AHZ57096.1    
 latex protein MLX56-7   Morus alba var. alba AHZ57097.1    
 chitinase   Morus alba var. multicaulis ADN37756.1 E2J9M1  
 MLX56   Morus alba var. multicaulis AGL61507.1    
 MLX56 protein   Morus notabilis ASU87572.1    
 class II chitinase (fragment)   Musa AB Group ACJ06635.1 B6UYK7  
 class I chitinase (ChiI;MusaChi I)   Musa AB Group ACJ06634.3
ACJ06634.1
ACJ06634.2
ACP43629.1
ACP43629.2
ADH10169.1
ADH10169.2
ADH10170.1
ADH10170.2
B6UYK6  
 chitinase (fragment)   Musa ABB Group AFX59344.1    
 endochitinase (EndoChit1)   Musa acuminata CAC81812.1
AAL05885.1
AMX81597.1
Q8VXF0
Q93WX9
 
 ORF   Musa acuminata CAC81811.1 Q8VXF1  
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