Glycoside Hydrolase Family 9

Activities in Familyendoglucanase (EC 3.2.1.4); endo-β-1,3(4)-glucanase / lichenase-laminarinase (EC 3.2.1.6); β-glucosidase (EC 3.2.1.21); lichenase / endo-β-1,3-1,4-glucanase (EC 3.2.1.73); exo-β-1,4-glucanase / cellodextrinase (EC 3.2.1.74); cellobiohydrolase (EC 3.2.1.91); xyloglucan-specific endo-β-1,4-glucanase / endo-xyloglucanase (EC 3.2.1.151); exo-β-glucosaminidase (EC 3.2.1.165)
Mechanism Inverting
3D Structure Status( α / α ) 6
Catalytic Nucleophile/BaseAsp (experimental)
Catalytic Proton DonorGlu (experimental)
Noteformerly known as cellulase family E.
External resourcesCAZypedia; HOMSTRAD; PROSITE;
Statistics GenBank accession (3491); Uniprot accession (679); PDB accession (42); 3D entries (16); cryst (0)
All (2555) Archaea (4) Bacteria (1392) Eukaryota (947) unclassified (212) Structure (16) Characterized (170)
| 1 | 2 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 β-glucosidase (BglA;VC0615) 3.2.1.21 Vibrio cholerae O1 biovar El Tor str. N16961 AAF93781.1
NP_230264.1
Q9KUA8  
 endo-β-1,4-glucanase (Egl2;EngXCB) 3.2.1.4 Xanthomonas campestris pv. campestris CAB63115.1 Q9RBJ4  
 XC_1727 3.2.1.4 Xanthomonas campestris pv. campestris str. 8004 AAY48792.1 Q4UVY1  
 endoglucanase (Egl2;XCC2387) 3.2.1.4 Xanthomonas campestris pv. campestris str. ATCC 33913 AAM41665.1
NP_637741.1
H9L4N3  
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 endo-β-1,4-glucanase (Eg65a;AC-EG65;Eg65-a1) 3.2.1.4 Ampullaria crossean ABD24274.1 A0SGJ5  
 endo-β-1,4-glucanase (Eg65c;Eg65-c1) 3.2.1.4 Ampullaria crossean ABD24278.1 A0SGJ9  
 endo-β-1,4-glucanase (Eg65b;Eg65-b1) 3.2.1.4 Ampullaria crossean ABD24275.1 A0SGJ6  
 endo-β-1,4-glucanase 8 / cellulase 1 (Cel1;AtCEL1;EGase;At1g70710) (AtGH9B1) 3.2.1.4 Arabidopsis thaliana AAF09072.1
AAG52329.1
AAK82545.1
AAL67092.1
AAO30718.1
AEE35103.1
CAA67156.1
CAA67157.1
CAK32152.1
CAW91525.1
CAW92415.1
CAW94451.1
CAX00889.1
CAX06019.1
CAX07297.1
CBC93706.1
NP_177228.1
O23696
O23697
Q9CAC1
 
 endo-β-1,4-glucanase 1 / cellulase 2 (Cel2;AtCEL2;EGase;At1g02800) (AtGH9B2) 3.2.1.4 Arabidopsis thaliana AAC16418.1
AAF02887.1
AEE27471.1
BAF00867.1
NP_171779.1
O64949
Q9SRX3
 
 endo-β-1,4-glucanase 25 (Kor1;Tsd1;KORRIGAN1;AtKOR;At5g49720) (AtGH9A1) 3.2.1.4 Arabidopsis thaliana AAC83240.1
AAB60304.1
AAC33467.1
AAC35344.1
AAK59818.1
AAM63370.1
AAN72232.1
AED95850.1
BAA98160.1
BAD95336.1
BAH57006.1
NP_199783.1
Q38890
Q8H0S4
Q8LD74
Q94C24
 
 endoglucanase (Cel1;EG) 3.2.1.4 Cherax quadricarinatus AAD38027.1
AAO61672.2
Q86GS4
Q9Y0W2
 
 endo-β-1,4-glucanase (CaEG) 3.2.1.4 Coptotermes acinaciformis AAK12339.1 Q9BMC7  
 endo-β-1,4-glucanase (CfEG1;CfEG1a;CfEG1b) 3.2.1.4 Coptotermes formosanus BAB40693.1
BAB40694.1
Q9BH22  
 endo-β-1,4-glucanase (CfEG2) 3.2.1.4 Coptotermes formosanus BAB40695.1 Q9BLD3  
 endo-β-1,4-glucanase (CfEG3;CfEG3a) 3.2.1.4 Coptotermes formosanus BAB40696.1
ADV16268.1
Q9BLD2  
 endo-β-1,4-glucanase (CfEG4) 3.2.1.4 Coptotermes formosanus BAB40697.1
ACI45756.1
ADV16269.1
Q9BLD1  
 endo-β-1,4-glucanase (CfEG5;CfEg3b) 3.2.1.4 Coptotermes formosanus ADB12483.1
ADV16270.1
D2X8D7  
 endo-β-1,4-glucanase (CgEG1) 3.2.1.4 Coptotermes gestroi AGS32241.1    
 cellulase (CjCel9A) (Cel9A) 3.2.1.4 Corbicula japonica BAF38757.1 A0ZT16  
 endo-β-1,4-glucanase (CelA;270-6) 3.2.1.4 Dictyostelium discoideum AAA52077.1 P22699  
 endo-β-1,4-glucanase (Eg2;EF-EG2) 3.2.1.4 Eisenia fetida BAM14716.1   3WC3[A]
 endo-β-1,4-glucanase (Cel1;EG1) 3.2.1.4 Fragaria x ananassa AAC78293.1
ACS45173.1
CAA11301.1
CAW91547.1
CAW92437.1
CAW94474.1
CAX00911.1
CAX06029.1
CAX07307.1
CBC93725.1
Q9SB85
Q9ZTL0
 
 cellulase (Cel1) (abscission-specific) 3.2.1.4 Gossypium hirsutum AAN04496.2 Q8LJP6  
 endo-β-1,4-glucanase (Cel) 3.2.1.4 Gossypium hirsutum AAP83128.1
AAQ08018.1
AAS87601.1
ABH93356.1
ADY68794.1
ADY68795.1
AID55374.1
Q6X680  
 cellulase (HdEG66;HdCel;Hdcel-1) 3.2.1.4 Haliotis discus hannai BAC67186.1
AGI61069.1
BAC67187.1
BAD01504.1
Q75UN9
Q86M37
 
 β-1,4-endoglucanase (Cel1) 3.2.1.4 Mastotermes darwiniensis CAD54726.1 Q8IFU6  
 β-1,4-endoglucanase (Cel2) 3.2.1.4 Mastotermes darwiniensis CAD54727.1 Q8IFU5  
 β-1,4-endoglucanase (Cel3) 3.2.1.4 Mastotermes darwiniensis CAD54728.1 Q8IFU4  
 endo-β-1,4-glucanase (Cel4) 3.2.1.4 Mastotermes darwiniensis CAD54729.1 Q8IFU3  
 endo-β-1,4-glucanase (Cel5) 3.2.1.4 Mastotermes darwiniensis CAD54730.1 Q8IFU2  
 cellulase (SnEG54) 3.2.1.4 Mesocentrotus nudus BAF62178.1 A5A7P3  
 endo-β-1,4-glucanase (NtEG;EGA) 3.2.1.4 Nasutitermes takasagoensis BAA33708.1
BAA76619.1
O77044 1KS8[A]
1KSC[A]
1KSD[A]
 endo-β-1,4-glucanase (NwEG) 3.2.1.4 Nasutitermes walkeri BAA33709.1 O77045  
 endo-β-1,4-glucanase 8 (Cel8;NtCel8) 3.2.1.4 Nicotiana tabacum AAL30454.1
ABA07708.1
Q93WY9  
 endo-β-1,4-glucanase 2 (Cel2;NtCel2) 3.2.1.4 Nicotiana tabacum AAL30453.1
ABA07706.1
CAW91543.1
CAW92432.1
CAW94470.1
CAX00907.1
CAX06027.1
CAX07305.1
CBC93722.1
Q93WZ0  
 endo-1,4-glucanase (Cel7;NtCel7) 3.2.1.4 Nicotiana tabacum AAL30452.1
AAZ93631.1
ABA07707.1
Q93WZ1  
 endo-β-1,4-glycanase 2 (broad specificity on hemicelluloses) (OsCel9A;OsGlu5;Os01g0220100) (Cel9A) 3.2.1.4
3.2.1.73
3.2.1.8
Oryza sativa Japonica Group BAF04337.1
BAA96209.1
BAC00553.1
BAD81360.1
BAD81426.1
BAF37260.1
BAS71064.1
Q0JPJ1
Q5NAT0
 
 endoglucanase 2 (EG2) 3.2.1.4 Panesthia cribrata AAF80585.1 Q9NCE2  
 endoglucanase 1 (EG1) 3.2.1.4 Panesthia cribrata AAF80584.1 Q9NCE3  
 endo-β-1,4-glucanase (PnbEG) 3.2.1.4 Perinereis nuntia brevicirris BAK20401.1   4ZG8[A,B]
4ZH5[A,B]
 endo-1,4-glucanase 3.2.1.4 Phaseolus vulgaris AAA02563.1 P22503  
 endo-β-1,4-glucanase (PgKOR) (membrane-bound) 3.2.1.4 Picea glauca AEL88496.1    
 endo-β-1,4-glucanase (Egl1) 3.2.1.4 Pisum sativum AAA96135.1 Q41012  
 endo-β-1,4-glucanase (Cel1;PopCel1) 3.2.1.4 Populus alba BAA06877.1
BAB39482.1
Q40763
Q9AVI5
 
 endo-β-1,4-glucanase (Cel2;PopCel2) 3.2.1.4 Populus alba BAA77239.1
BAB39483.1
Q9XIY8  
 endo-β-1,4-glucanase (Kor;PaxgKOR) (membrane-bound) 3.2.1.4 Populus alba x Populus grandidentata ADB82903.1 D3JWK8  
 Cel9A (Kor1) (PttCel9A1) 3.2.1.- Populus tremula x Populus tremuloides AAT75041.1 Q6DMM4  
 Cel9B (PttCel9B) 3.2.1.- Populus tremula x Populus tremuloides AAT75042.1 Q6DMM3  
 endo-1,4-glucanase (Eg1;PCel1) 3.2.1.4 Prunus persica CAA65597.1
CAA65600.1
P94114  
 endo-β-1,4-glucanase (Cell-1) 3.2.1.4 Reticulitermes flavipes AAU20853.2 Q64I76  
 endo-β-1,4-glucanase (RsEG) 3.2.1.4 Reticulitermes speratus BAA31326.1
BAA28815.1
BAA74961.1
O76130
Q9U8X4
 
 endo-β-1,4-glucanase 2 (RsEG2) 3.2.1.4 Reticulitermes speratus BAA34050.1
BAA34120.1
BAA74962.1
BAD66681.1
BAX07290.1
O96106
Q9U901
 
 endo-β-1,4-glucanase 3 (Cel3;TomCel3) (SlGH9A1) 3.2.1.4 Solanum lycopersicum AAC49704.1
AAB46826.1
O04890  
 endo-β-1,4-glucanase 7 (Cel7;TomCel7) (SlGH9B6) 3.2.1.4 Solanum lycopersicum CAA72133.1 O04972  
 endo-β-1,4-glucanase 4 (Cel4;TomCel4) (SlGH9B3) 3.2.1.4 Solanum lycopersicum AAA80495.1 Q42875  
 endo-β-1,4-glucanase 1 (Cel1;TomCel1) (SlGH9B1) 3.2.1.4 Solanum lycopersicum AAA69908.1
AAB46824.1
AAQ68347.1
Q42871  
 endo-β-1,4-glucanase 2 (Cel2;TomCel2) (SlGH9B2) 3.2.1.4 Solanum lycopersicum AAA69909.1
CAD44274.1
CAW91534.1
CAW92424.1
CAW94460.1
CAX00898.1
CAX06023.1
CAX07301.1
CBC93714.1
Q42872  
 endo-β-1,4-glucanase 5 (Cel5;TomCel5) (SlGH9B4) 3.2.1.4 Solanum lycopersicum AAC62241.1
AAB46828.1
AAC64045.1
O82473
Q9SBD3
 
 endo-β-1,4-glucanase 8 (Cel8;TomCel8) (SlGH9C1=SlCel9C1) 3.2.1.4 Solanum lycopersicum AAD08699.1 Q9ZSP9  
 cellulase (EG-I;TeEG-I) 3.2.1.4 Teleogryllus emma ABV32557.1
ACA04897.1
A8CYP6  
 endo-β-1,4-glucanase 1 (EG1;TcEG1) 3.2.1.4 Tribolium castaneum EFA05721.1
XP_001810693.1
   
unclassified
Protein Name EC#OrganismGenBank UniprotPDB/3D
 endo-β-1,4-glucanase (G07-33) 3.2.1.4 uncultured organism ACY24809.1
ACY24880.1
D8VN24  
 β-glucanase 3.2.1.4 uncultured organism ADD61951.1 D9ZF47  
 SARM_0002 / 3616765_97370 / TW-69 3.2.1.- uncultured organism ADX05673.1    
 SARM_0062 / 2527869_58580 / TW-64 3.2.1.- uncultured organism ADX05733.1    
 SARM_0019 / 4196623_64310 / TW-75 3.2.1.- uncultured organism ADX05690.1    
 SARM_0090 / 0_01001 / MH-5 3.2.1.4 uncultured organism ADX05755.1    
 SARM_0044 / 1029836_102800 / TW-50 3.2.1.- uncultured organism ADX05715.1    
 cellulase (Cel01) 3.2.1.- uncultured organism AFG25775.1    
 endo-β-1,4-glucanase (UmCelE4;EC1) (fragment) 3.2.1.4 unidentified microorganism ABX76047.1 A9UGW3  
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