Glycoside Hydrolase Family 51

Activities in Familyendoglucanase (EC 3.2.1.4); endo-β-1,4-xylanase (EC 3.2.1.8); β-xylosidase (EC 3.2.1.37); α-L-arabinofuranosidase (EC 3.2.1.55)
Mechanism Retaining
ClanGH-A
3D Structure Status( β / α ) 8 (inferred)
Catalytic Nucleophile/BaseGlu (experimental)
Catalytic Proton DonorGlu (experimental)
External resourcesCAZypedia;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (2453); Uniprot accession (462); PDB accession (14); 3D entries (6); cryst (0)
All (2318) Archaea (20) Bacteria (2107) Eukaryota (150) Viruses (21) unclassified (20) Structure (6) Characterized (78)
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 cellulase / xylanase (CelB;Aaci_0048) 3.2.1.4
3.2.1.8
Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446 ACV57112.1
CAD86595.1
C8WQ08
Q84E48
 
 α-L-arabinofuranosidase (Ac-Abf51A) (Abf51A) 3.2.1.55 Alicyclobacillus sp. A4 ALK02878.1    
 β-1,4-glucanase (CelA4) (acidic) 3.2.1.4 Alicyclobacillus sp. A4 ADI82825.1 D7PI32  
 endoglucanase (CelVA) 3.2.1.4 Alicyclobacillus vulcanalis DSM 16176 CEH24710.1    
 α-L-arabinofuranosidase (Abf) 3.2.1.55 Anoxybacillus kestanbolensis AC26SARI ACB54691.1 B2D088  
 α-L-arabinofuranosidase (AraB) 3.2.1.55 Bacillus pumilus ARA ABC55452.1 Q2MJP5  
 α-L-arabinofuranosidase I (ArfA) 3.2.1.55 Bacillus pumilus PS213 CAJ77816.1 Q2HPJ2  
 α-L-arabinofuranosidase 1 (AbfA;BSU28720) 3.2.1.55 Bacillus subtilis subsp. subtilis str. 168 CAA99595.1
AIY94201.1
AQR82899.1
AQR87114.1
CAA61937.1
CAB14832.1
CAB14832.2
NP_390750.1
P94531  
 α-L-arabinofuranosidase 2 (AbfA2;Abf2;Xsa;Asd;BSU28510) 3.2.1.55 Bacillus subtilis subsp. subtilis str. 168 CAA99576.1
ABW70629.1
AIY95537.1
AQR82876.1
AQR87091.1
CAB14811.1
CAB14811.2
NP_390729.1
P94552  
 α-L-arabinofuranosidase 2 (AsdII) 3.2.1.55 Bacteroides ovatus V975 AAA50393.1 Q59219  
 α-L-arabinofuranosidase (XsA;AbfB;BAD_1205) 3.2.1.55 Bifidobacterium adolescentis ATCC 15703 BAF39986.1 A1A2Q3  
 α-L-arabinofuranosidase (AbfB;BAD_1524) 3.2.1.55 Bifidobacterium adolescentis ATCC 15703 BAF40305.1 A1A3M2  
 α-L-arabinofuranosidase (AbfB) 3.2.1.55 Bifidobacterium longum B667 AAO84266.1 Q841V6 2Y2W[A,B,C,D,E,F]
 α-L-arabinofuranosidase (AfuB;AfuB-H1) 3.2.1.55 Bifidobacterium longum H-1 ADT80795.1 E7CY70  
 α-L-arabinofuranosidase (AbfA;AbfA1;BL0544) 3.2.1.55 Bifidobacterium longum NCC2705 AAN24368.1
NP_695732.1
Q8G6U4  
 α-L-arabinofuranosidase (CbAra51A;Athe_1103) (Ara51A) 3.2.1.55 Caldicellulosiruptor bescii DSM 6725 ACM60204.1 B9MRA0  
 α-L-arabinofuranosidase (CsAraf;Csac_1561) 3.2.1.55 Caldicellulosiruptor saccharolyticus DSM 8903 ABP67153.1 A4XJR8  
 α-L-arabinofuranosidase (AbfCelf;Celf_3321) 3.2.1.55 Cellulomonas fimi ATCC 484 AEE47435.1    
 α-L-arabinofuranosidase 51A (CJA_2769) (Abf51A) 3.2.1.55 Cellvibrio japonicus Ueda107 ACE86344.1
AAK84947.1
B3PBK2
Q93LE0
 
 α-L-arabinofuranosidase (ArfA) 3.2.1.55 Clostridium cellulovorans AAN05450.1 Q8GEE5  
 α-L-arabinofuranosidase (ArfB) (Arf51B) 3.2.1.55 Clostridium stercorarium NCIMB 11754 AAC28125.1 O08457  
 arabinofuranosidase I (ArfI;CxAbf1) 3.2.1.55 Cytophaga xylanolytica AAC38456.1 O68278  
 arabinofuranosidase II (ArfII;CxAbf2) 3.2.1.55 Cytophaga xylanolytica AAC38457.1 O68279  
 Fisuc_2081 / FSU_2610 3.2.1.- Fibrobacter succinogenes subsp. succinogenes S85 ACX75668.1
ADL24926.1
C9RJF1  
 endoglucanase 2 / F (Eg2;CelF;EgF;CBP-4;Fisuc_3111;FSU_0382) (Cel51A) 3.2.1.4 Fibrobacter succinogenes subsp. succinogenes S85 AAC45377.1
ACX76691.1
ADL24814.1
BAA10965.1
P71329
P77865
 
 α-L-arabinofuranosidase (LarbF;G11MC16DRAFT_1557) 3.2.1.55 Geobacillus sp. G11MC16 EDY06090.1    
 α-L-arabinofuranosidase (AbF;GAFase) 3.2.1.55 Geobacillus sp. KCTC 3012 ABM68633.1 A8QJ85  
 α-L-arabinofuranosidase (Abf2) 3.2.1.55 Geobacillus stearothermophilus 12 ALB24935.1    
 α-L-arabinofuranosidase (Abf1) 3.2.1.55 Geobacillus stearothermophilus 12 ALB24934.1    
 α-L-arabinofuranosidase (AbfA;HUS_CDS35) 3.2.1.55 Geobacillus stearothermophilus T-6 NCIMB 40222 AAD45520.2
AAB33652.1
ACE73682.1
B3EYN4
Q9XBQ3
1PZ2[A,B]
1PZ3[A,B]
1QW8[A,B]
1QW9[A,B]
 α-L-arabinofuranosidase (AbfB;HUS_CDS33) 3.2.1.55 Geobacillus stearothermophilus T-6 NCIMB 40222 ACE73681.1
AAD45519.1
B3EYN3  
 α-L-arabinofuranosidase (AbfA) 3.2.1.55 Geobacillus thermoleovorans IT-08 ABD48560.1 Q27R95  
 α-L-arabinofuranosidase 1 (Abf1) 3.2.1.55 Lactobacillus brevis DSMZ 20054 ADJ95770.1 D9J2Q3  
 α-L-arabinofuranosidase 2 (Abf2) 3.2.1.55 Lactobacillus brevis DSMZ 20054 ADJ95771.1 D9J2Q4  
 α-L-arabinofuranosidase (Abf22-3) 3.2.1.55 Leuconostoc sp. 22-3 AFD62907.1    
 α-L-arabinofuranosidase (Abf;Xsa;OENOO_34003) 3.2.1.55 Oenococcus oeni ATCC BAA-1163 ADJ95768.1
EAV39988.1
A0NHN5  
 α-L-arabinofuranosidase (AbfA;THSAbf) 3.2.1.55 Paenibacillus sp. HanTHS1 ABZ10760.1 B1A0T7  
 α-L-arabinofuranosidase (AbfA;AbfATK4) 3.2.1.55 Parageobacillus caldoxylosilyticus TK4 ABI34800.1 Q0GA82  
 α-arabinofuranosidase (AbfA;Araf3054) 3.2.1.55 Rhodanobacter ginsenosidimutans Gsoil3054T / KCTC 22231?/?DSM 21013 ADM26764.1 E1AXG3  
 α-L-arabinofuranosidase 51A (Araf51;CtAraf51A;Cthe_2548) (Araf51A) 3.2.1.55 Ruminiclostridium thermocellum ATCC 27405 ABN53749.1
ZP_00503782.1
A3DIH0 2C7F[A,B,C,D,E,F]
2C8N[A,B,C,D,E,F]
 α-L-arabinofuranosidase 51A (Ara51A) 3.2.1.55 Ruminococcus albus 8 AEE64774.1
ZP_08160912.1
   
 α-L-arabinofuranosidase I (AFase I) 3.2.1.55 Streptomyces chartreusis GS901 BAA90771.1 P82593  
 α-L-arabinofuranosidase (AbfA) 3.2.1.55 Streptomyces lividans 66 AAA61708.1 P53627  
 α-L-arabinofuranosidase (AFa) 3.2.1.55 Streptomyces sp. I10-1 BAH02662.1 B6ZGN5  
 α-L-arabinofuranosidase (Abf51S9) 3.2.1.55 Streptomyces sp. S9 ACCC 41168 ACY69989.1 D1KTD5  
 α-L-arabinofuranosidase (AbjA;AbfD3;G51;TxAbf) 3.2.1.55 Thermobacillus xylanilyticus D3 CAA76421.2 O69262 2VRK[A,B,C]
2VRQ[A,B,C]
 α-L-arabinofuranosidase (AraA;TmAFase;TmAbf;Tm-AFase;TM0281) 3.2.1.55 Thermotoga maritima MSB8 AAD35369.1
AGL49205.1
AHD17955.1
AKE28083.1
BAE02565.1
NP_228093.1
Q9WYB7 3UG3[A,B,C,D,E,F]
3UG4[A,B,C,D,E,F]
3UG5[A,B,C,D,E,F]
4ATW[A,B,C,D,E,F]
 α-L-arabinofuranosidase (AraF;Tpet_0631) 3.2.1.55 Thermotoga petrophila RKU-1 ABQ46651.1 A5IKC8 3S2C[A,B,C,D,E,F,G,H,I,J,K,L]
 endo-β-1,4-glucanase (SScel24;Lambda;Cel) 3.2.1.4 uncultured bacterium CAF22222.1 Q5NJL7  
 cellulase (Lc-CelC) (probable fragment) 3.2.1.4 uncultured bacterium AHL27896.1    
 α-L-arabinofuranosidase (XoAF;PXO_02260) 3.2.1.55 Xanthomonas oryzae pv. oryzae PXO99A ACD60479.1 B2SJW2  
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D
 α-L-arabinofuranosidase / β-xylosidase (Asd1;AraF1;At3g10740) (Araf51A) 3.2.1.37
3.2.1.55
Arabidopsis thaliana AAF19575.1
AAK50089.1
AAN28883.1
AAO92261.1
AEE74949.1
ANM64546.1
ANM64547.1
ANM64548.1
BAD93969.1
BAD95302.1
NP_187685.1
Q84RC5
Q94JT7
Q9SG80
 
 α-L-arabinofuranosidase A (ArfA) 3.2.1.55 Aspergillus awamori IFO4033 BAB21568.2 Q96X54  
 α-L-arabinofuranosidase A (AkabfA) (Abf51) 3.2.1.55 Aspergillus kawachii IFO 4308 BAB96815.1 Q8NK90  
 α-L-arabinofuranosidase (AN1277.2) 3.2.1.55 Aspergillus nidulans FGSC A4 EAA65870.1
ABF50847.1
C8VSG2
Q5BDV3
 
 α-L-arabinofuranosidase (AbfA;AnAbfA) 3.2.1.55 Aspergillus niger ATCC 120120 ADG21260.1    
 α-L-arabinofuranosidase A (AbfA;ExoA;AnAbfA) 3.2.1.55 Aspergillus niger CBS 120.49 / N400 AAC41644.1
AAE37582.1
CAA01904.1
D6QST5
P42254
 
 An01g00330 (AbfA) 3.2.1.55 Aspergillus niger CBS 513.88 CAK43424.1 A2Q7E0  
 α-L-arabinofuranosidase (AbfA) 3.2.1.55 Aspergillus niveus PR-2 AEQ94263.1    
 α-L-arabinofuranosidase (AbfB) 3.2.1.55 Aureobasidium melanogenum ATCC 20524 BAN70283.1    
 α-L-arabinofuranosidase (Abf3;AXHm2,3) 3.2.1.55 Chrysosporium lucknowense C1 ADZ98861.1    
 arabinoxylan arabinofuranohydrolase (AXAH-II;Axah2) 3.2.1.55 Hordeum vulgare AFF58880.1
AAK21880.1
Q9ATV7  
 arabinoxylan arabinofuranohydrolase I (AXAH-I;Axah1) 3.2.1.55 Hordeum vulgare AFF58879.1
AAK21879.1
Q9ATV8  
 α-L-arabinofuranosidase (Abf III;AXH-m) 3.2.1.55 Meripilus giganteus CBS 521.91 CAL81200.1    
 α-L-arabinofuranosidase (OsARAF1;Os07g0686900) 3.2.1.55 Oryza sativa Japonica Group BAC10349.1
BAD30290.1
BAF22602.1
BAT03296.1
Q8LIG5  
 α-L-arabinofuranosidase (OsARAF3;Os11g0131900) 3.2.1.55 Oryza sativa Japonica Group BAF27505.1
BAG89431.1
BAT12528.1
BAT12529.1
A3C891
Q2RAZ7
 
 α-L-arabinofuranosidase (Afq1;AFQ1) 3.2.1.55 Penicillium chrysogenum 31B BAG71680.1
BAH70480.1
B5MGR0  
 α-L-arabinofuranosidase (PcAbf51C) (Abf51C) 3.2.1.55 Penicillium chrysogenum 31B BAQ35745.1    
 α-L-arabinofuranosidase (Abf;PoAbf;PLEOSDRAFT_1042120) (fragment) 3.2.1.55 Pleurotus ostreatus PC15 KDQ27940.1    
 α-L-arabinofuranosidase (Abf;PoAbf) 3.2.1.55 Pleurotus sp. Florida ATCC MYA-2306 CCC33068.1
CCC33069.1
   
 α-L-arabinofuranosidase (Pa_5_11670) (Abf51A) 3.2.1.55 Podospora anserina S mat+ CAP62201.1
ADO14137.1
CDP29615.1
B2AFI2  
 α-L-arabinofuranosidase 2 (Abf2) 3.2.1.55 Talaromyces purpureogenus MYA-38 ABO93602.1 A4UU45  
unclassified
Protein Name EC#OrganismGenBank UniprotPDB/3D
 α-L-arabinofuranosidase 51A (G12-2;GH51(G12);BN138_164) (Abf51A) 3.2.1.55 termite gut metagenome CCO20976.1    
 α-L-arabinofuranosidase 51B-43C (G12-20;GH51-GH43(G12);BN138_182) (Abf51B-Abf43C) 3.2.1.55 termite gut metagenome CCO20994.1    
 arabinofuranosidase #5 3.2.1.55 unidentified AEF56862.1    
 arabinofuranosidase #4 3.2.1.55 unidentified AEF56861.1    
 arabinofuranosidase #6 3.2.1.55 unidentified AEF56856.1    
 arabinofuranosidase F1 3.2.1.55 unidentified AEF56855.1    
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