Glycoside Hydrolase Family 11

Activities in FamilyXylan β-1,4-xylosidase (EC 3.2.1.37);
Endo-β-1,4-xylanase (EC 3.2.1.8);
Mechanism Retaining e
ClanGH-C
3D Structure Statusβ-jelly roll
Catalytic Nucleophile/BaseGlu (experimental)
Catalytic Proton DonorGlu (experimental)
Noteformerly known as cellulase family G
External resourcesCAZypedia; HOMSTRAD; PROSITE;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (2978); Uniprot accession (317); PDB accession (174); 3D entries (41); cryst (2)
| 1 | 2 | 3 |
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D
 xylanase II (StXII) 3.2.1.8 pubmed
Streptomyces thermoviolaceus OPC-520 BAA19778.1
BAD02383.1
Q76BV2  
 endoxylanase (StxI;STX I) (fragment) 3.2.1.8 pubmed
Streptomyces thermovulgaris NTU-88 ABF72145.1 B2KJ43  
 xylanase (SvxA) 3.2.1.8 doi
Streptomyces viridosporus T7A AAF09501.1
ACR92599.1
Q9RMH9  
 endo-β-1,4-xylanase (XynC;Tsac_0897) 3.2.1.8 pubmed
Thermoanaerobacterium saccharolyticum JW/SL-YS485 AFK85913.1 I3VTR8 8IH0[A,B]
8IH1[A,B]
8X1D[A,B]
8YEA[A,B]
8YYN[A,B]
8YYO[A,B]
 xylanase (Xyn4; Theco_0781) 3.2.1.8 pubmed
Thermobacillus composti KWC4 AGA56981.1 L0EBB6  
 xylanase (Xyl11; Xyl20; Tx-Xyn; TxXYN; Tx-Xyl; Tx-Xyn11; G11; Xyn3) 3.2.1.8 pubmed
Thermobacillus xylanilyticus D3 CAJ87325.1 Q14RS0 cryst
 endo-β-1,4-xylanase (Xyl11;TfGH11) 3.2.1.8 pubmed
Thermobifida fusca NTU22 AAV64879.1 Q5RZ98 3ZSE[A]
 xylanase 11A (XynA; TfxA; Xyn8; Tfu_1213) (Xyl11A = Xyn11A) 3.2.1.8 pubmed
Thermobifida fusca YX AAA21480.1
AAZ55251.1
ABH92528.1
ACK26690.1
ACQ19018.1
ACR92600.1
Q47QL8
Q56265
 
 endo-β-1,4-xylanase (ThXyn11A;Xyn11-1) (Xyn11A) 3.2.1.8 pubmed
Thermobifida halotolerans YIM 90462 AEH04392.1 I3NRT9  
 xylanase (XynA;XylA) 3.2.1.8 pubmed
Thermoclostridium stercorarium F-9 BAA02584.1
AAR39822.1
AAS31751.1
ABH92522.1
ACQ19012.1
P33558  
 xylanase A (XynA) (Xyn11A) 3.2.1.8 pubmed
Thermoclostridium stercorarium NCIMB 11754 CAD48307.1 Q8GJ44  
 xylanase 11A (Xyn11A; XynA; Cst_c19320) 3.2.1.8 pubmed
Thermoclostridium stercorarium subsp. stercorarium DSM 8532 AGI39894.1
AGC68909.1
L7VQD8  
 endo-β-1,4-xylanase (XynA;Xyn;NfXyn;NfXyn11) (Xyn11A) 3.2.1.8 pubmed
Thermopolyspora flexuosa DSM43186 / ATCC35864 CAD48747.1
AAO97628.1
AAQ80269.1
AAS23965.1
ACC29940.1
Q8GMV7 1M4W[A]
3B5L[B]
3MF6[A]
3MF9[A]
3MFA[A]
3MFC[A]
 endo-β-1,4-xylanase (Xyl1; GH11A) 3.2.1.8 pubmed
uncultured bacterium AMO13185.1 A0A127JBT0  
 xylanase (X0012;Xyn12) 3.2.1.8 pubmed
uncultured bacterium ADD82898.1 D4PAK8 5GV1[A]
5GY8[A]
5GY9[A,B]
5GYA[A,B]
5GYB[A]
5GYC[A]
5GYE[A]
5GYF[A]
5GYG[A,B]
5GYH[A]
5GYI[A]
 endo-β-1,4-xylanase (XYL7746) 3.2.1.8 pubmed
uncultured bacterium AAQ90180.2
ABX94901.1
ABX94905.1
Q6TLP3  
 xylanase (XylCMS) 3.2.1.8 pubmed
uncultured bacterium AYF57933.1    
 endo-β-1,4-xylanase (NtSymX11) 3.2.1.8 pubmed
uncultured bacterium BBF66812.1 A0A3G9FT71  
 xylanase (XynR8) (partial) 3.2.1.8 pubmed
uncultured bacterium ADN44273.1 E2JFA2  
 endo-β-1,4-xylanase (XYL6419) 3.2.1.8 pubmed
uncultured bacterium AAS85782.1 Q6QHA2  
 endo-β-1,4-xylanase (XYL6807) 3.2.1.8 pubmed
uncultured bacterium AAS85783.1 Q6QHA1  
 endo-β-1,4-xylanase (XYL6805) 3.2.1.8 pubmed
uncultured bacterium AAS85784.1 Q6QHA0  
 endo-β-1,4-xylanase (Xyl6E7) 3.2.1.8 pubmed
uncultured bacterium ADU33366.1 E7CR60  
 xylanase (Xyn22) 3.2.1.8 pubmed
uncultured bacterium QHI00070.1 A0A6B9RHT4  
 xylanase (Xyl1;XYL1G3-ORF22) 3.2.1.8 pubmed
uncultured bacterium AEV59726.1 G9BYA7  
 endo-β-1,4-xylanase (PW8) 3.2.1.8 doi
uncultured bacterium ABI94366.1 A2T401  
 endo-β-1,4-xylanase (X2P1) 3.2.1.8 pubmed
uncultured bacterium BAO65804.1 X5IHJ0  
 endo-β-1,4-xylanase (XYL7) 3.2.1.8 doi
uncultured bacterium AHX56799.1 A0A023R755  
 xylanase (EvXyn11fl) (Xyn11) 3.2.1.8 pubmed
uncultured bacterium ACB87630.1 B2LWN3 2VGD[A]
2VUJ[A]
2VUL[A]
 endo-β-1,4-xylanase (XynA3) 3.2.1.8 pubmed
uncultured Paenibacillaceae bacterium QFX79337.1 A0A5P9WDA0  
 xylanase (Xyn11A) 3.2.1.8 pubmed
Xylanimonas pachnodae AAD54767.1 Q9RQB8  
Eukaryota
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D
 endo-β-1,4-xylanase B (XynC83) 3.2.1.8 pubmed
Achaetomium sp. Xz-8 AHE13930.1 V9Y0U5  
 endo-β-1,4-xylanase B (XynC81) 3.2.1.8 pubmed
Achaetomium sp. Xz-8 AHE13929.1 V9XVA4  
 xylanase (Xyn6;XynVI) 3.2.1.8 pubmed
Acrophialophora nainiana ABG37635.1 Q0ZBK9  
 xylanase (Xyn;Xyn186) 3.2.1.8 pubmed
Alternaria sp. HB186 ABG33753.1 Q0Q592  
 xylanase A (XynA;Ex1A;ExlA) 3.2.1.8 pubmed
Aspergillus awamori ATCC11358 AAQ46967.1
ACJ23251.1
CAA55005.1
C6F1J6
P55328
 
 endo-β-1,4-xylanase B (XylB) 3.2.1.8 pubmed
Aspergillus cf. niger BCC14405 AAS67299.1 Q6QA21  
 endo-β-1,4-xylanase (ACLA_063140) (29340) 3.2.1.8 pubmed
Aspergillus clavatus NRRL 1 EAW12347.1 A1CCU0  
 endoxylanase (Xynf11A) 3.2.1.8 pubmed
Aspergillus fumigatus MKU1 ABN48478.1 Q4WG11  
 endo-β-1,4-xylanase (XynA) 3.2.1.8 pubmed
Aspergillus japonicus MU-2 BAI82107.1 D3KT79  
 xylanase C / xylanase 3 (XynC) 3.2.1.8 pubmed
Aspergillus kawachii AAC60542.1
AAS31748.1
ABH92517.1
ACQ19007.1
BAA03576.1
P33557 1BK1[A]
3RI8[A]
3RI9[A]
 xylanase B (XynB) 3.2.1.8 doi
Aspergillus kawachii IFO 4308 BAA07264.1
AAS31747.1
P48824  
 xylanase 1 (XlnA;X22) 3.2.1.8 pubmed
Aspergillus nidulans CAA90073.1 P55332  
 xylanase 2 (XlnB;X24;AN9365.2) 3.2.1.8 pubmed
Aspergillus nidulans FGSC A4 CAA90074.1
EAA66432.1
P55333  
 xylanase 1 (XlnA;X22;AN3613.2) 3.2.1.8 pubmed
Aspergillus nidulans FGSC A4 EAA59821.1
ABF50866.1
P55332  
 endo-β-1,4-xylanase (XynIII;Xyn) (partial) 3.2.1.8 URL
Aspergillus niger A-25 ABY77763.1 B0LUX1  
 xylanase 5 (Xyn5) 3.2.1.8 doi
Aspergillus niger ATCC 90196 AAA99065.1 Q12549  
 xylanase 2 / B (XynB;XlnB;XinII;Xyl11;An01g00780) 3.2.1.8 pubmed
Aspergillus niger CBS 513.88 CAK43456.1
ACA24724.1
A2Q7I0
P55330
 
 endo-β-1,4-xylanase 1 (XynA; XylA; XynII; ExlA; AnxA; AnXyn11; An14g07390) 3.2.1.8 pubmed
Aspergillus niger CBS 513.88 CAA01470.1
AAZ66797.1
ABH92516.1
ACK26693.1
ACQ19006.1
ACR92608.1
CAK46731.1
A2R4D1
P55329
Q45F01
1T6G[C,D]
1UKR[A,B,C,D]
2QZ2[A]
6QE8[A]
 xylanase B (XynB) 3.2.1.8 doi
Aspergillus niger CGMCC1067 AAM95167.1
AAG01166.1
AAM08362.1
ABA00146.1
AEC13626.1
F5CI28
P55330
Q8TG22
Q9HGU0
 
 endo-β-1,4-xylanase B (XynB) 3.2.1.8 pubmed
Aspergillus niger IA-001 AGG38091.1 F5CI28  
 xylanase B (XynB) 3.2.1.8 doi
Aspergillus niger IBT-90 AAS46914.1 F5CI28
P55330
Q8TG22
 
 xylanase (Xyn6) 3.2.1.8 doi
Aspergillus niger IBT-90 AAS46913.1 Q6QJ75  
 xylanase 2 (XynB;XlnB) 3.2.1.8 pubmed
Aspergillus niger IFO4066 BAA07265.1
AAK16546.1
P55330
Q9C1G6
 
 xylanase B (XynB) 3.2.1.8 pubmed
Aspergillus niger SCTCC 400264 ACN89393.1 P55330  
 xylanase (XynZF-2) 3.2.1.8 pubmed
Aspergillus niger XZ-3S AFK10491.1 I3QKR9  
 endo-β-1,4-xylanase (Xyl;XAN) 3.2.1.8 doi
Aspergillus niveus PR-2 AEV23009.1 G9FXH4  
 endo-β-1,4-xylanase (AoXyn11A) (Xyn11A) 3.2.1.8 pubmed
Aspergillus oryzae CICC 40186 AFA51067.1 H6WWN7  
 xylanase G1 (XynG1;AO090001000111) 3.2.1.8 doi
Aspergillus oryzae RIB40 BAE56664.1 P87037  
 xylanase G2 (XynG2; AO090120000026) 3.2.1.8 pubmed
Aspergillus oryzae RIB40 BAB20794.1
BAE62665.1
Q9HFA4  
 xylanase B (XynB) 3.2.1.8 pubmed
Aspergillus sulphureus AAZ95432.1 Q3S401  
 xylanase A (XynA) 3.2.1.8 pubmed
Aspergillus sulphureus ABC84852.1 Q2I0I8  
 endo-β-1,4-xylanase II (XynII;Xyn1) 3.2.1.8 pubmed
Aspergillus usamii E001 AAZ22340.1
ABA39289.1
ABA39289.2
ABR14628.1
A6N2L7
Q45UD8
 
 endo-β-1,4-xylanase (AuXyn11D) (Xyn11D) 3.2.1.8 pubmed
Aspergillus usamii E001 AEY78618.1 G0YP28  
 xylanase 2 (XynI;AuXyn11A) (Xyn11A) 3.2.1.8 pubmed
Aspergillus usamii E001 ABC26492.1
ABC26493.1
Q2PU02  
 endoxylanase (Xynv11) 3.2.1.8 pubmed
Aspergillus versicolor ABM55503.2
ABM55503.1
A2I7V2  
 endo-β-1,4-xylanase (XynI;XAPI) (acidophilic) 3.2.1.8 pubmed
Aureobasidium melanogenum ATCC 20524 BAB69655.1 Q96TR7  
 xylanase A (XynA;APX-II) 3.2.1.8 pubmed
Aureobasidium pullulans NRRL Y-2311-1 / ATCC62921 AAA67558.1
AAC39487.1
AAD51950.1
Q12562
Q9UW17
 
 xylanase (Xyl2) (Xyn11B) 3.2.1.8 doi
Bipolaris sorokiniana YB1 CAA06151.1
ACR92584.1
CAC18564.1
O13447
Q9HEN5
 
 xylanase 1 (Xyl1) 3.2.1.8 pubmed
Bipolaris zeicola SB111 AAA33024.1
AAS31750.1
ACR92578.1
Q06562  
 xylanase 2 (Xyl2) 3.2.1.8 pubmed
Bipolaris zeicola SB111 AAC62815.1 Q00350  
 xylanase 3 (Xyl3) 3.2.1.8 pubmed
Bipolaris zeicola SB111 AAC62816.1 Q00351  
 xylanase (Xyn11;BA-XYL11a) (Xyl11A) 3.2.1.8 pubmed
Bispora antennata CBS 126 38 AFY98621.1 M1G4Y1  
 endo-β-1,4-xylanase 11B (Xyl11B) 3.2.1.8 doi
Bispora sp. MEY-1 ACN89785.1 C6FGW6  
 endo-β-1,4-xylosidase (BmXyn11A) 3.2.1.8 pubmed
Blastobotrys mokoenaii     8B8E[A,B,C,D,E]
 xylanase (XynBc1) 3.2.1.8 pubmed
Botrytis cinerea B05.10 ACF16413.1 B3VSG7  
 endo-β-1,4-xylanase (XynBc1) (Xyn11A) 3.2.1.8 pubmed
Botrytis cinerea SAS56 AAZ03776.1 Q2LMP0  
 xylanase (XylCg;4386742;CHG02074.1) (15567) 3.2.1.8 pubmed
Chaetomium globosum CBS 148.51 XP_001221295.1 Q2HCI0  
 xylanase A (CgxA) 3.2.1.8 pubmed
Chaetomium gracile ACR92587.1
BAA08649.1
Q12579  
 xylanase B (CgxB) 3.2.1.8 pubmed
Chaetomium gracile BAA08650.1
ACR92593.1
Q12580  
 endo-β-1,4-xylanase 3.2.1.8 doi
Chaetomium sp. CQ31 ADW78258.1 G0WRC8  
 endo-xylanase (Xyl7) 3.2.1.8 pubmed
Chrysosporium lucknowense VKM F-3500-D / C1 AEN99942.1 G3FAR0  
 endo-xylanase (Xyl8) 3.2.1.8 pubmed
Chrysosporium lucknowense VKM F-3500-D / C1 AEN99943.1 G3FAR1  
 xylanase (Xyl1) 3.2.1.8 pubmed
Claviceps purpurea T5 CAA76570.1
ACR92603.1
O74716  
 endo-β-1,4-xylanase (Xyl1) 3.2.1.8 doi
Colletotrichum lindemuthianum 1472 AIG53790.1 A0A1C6ZZN8  
 endo-β-1,4-xylanase (CcXyn11C) (Xyn11C) 3.2.1.8 pubmed
Coprinopsis cinerea Okayama-7 #130 AFR33049.1 U5HU68  
 xylanase (Xyn-CS2) 3.2.1.8 pubmed
Cryptococcus sp. S-2 BAA09698.1
BAA09699.1
Q92397  
 xylanase 1 (Xyl1) 3.2.1.8 doi
Exserohilum turcicum CAB52417.1 Q9UVZ3  
 endo-1,4-β-xylanase A (XylA) 3.2.1.8 pubmed
Fusarium graminearum 180378 AAP41129.1 Q7ZA57  
 xylanase 2 / B (Xyl2;XylB;FG03624.1;FGSG_03624) 3.2.1.8 pubmed
Fusarium graminearum PH-1 CAI10733.1
EAA73188.1
XP_383800.1
Q5NDZ1  
 xylanase (FGSG_10999) 3.2.1.8 pubmed
Fusarium graminearum PH-1 CEF87845.1 I1S2K3  
 xylanase 5 (Xyl5) 3.2.1.8 pubmed
Fusarium oxysporum f. sp. lycopersici 42-87 AAK27974.1 Q9C1R2  
 xylanase (Xyl2) 3.2.1.8 pubmed
Fusarium oxysporum f. sp. lycopersici 4287 KNB08954.1 A0A0D2Y051
A0A0J9VBX6
X0M5X0
5JRM[A]
5JRN[A]
 xylan endo-β-1,4-xylosidase (NECHADRAFT_106153) 3.2.1.8 pubmed
Fusarium vanettenii 77-13-4 XP_003050975.1 C7YSL3 6Y0H[A]
7ZQ0[A]
8AF4[A]
8AF5[A]
8AF6[A]
 endo-β-1,4-xylanase (CfXyn1-1) 3.2.1.8 pubmed
Holomastigotoides mirabile BAH56520.1 C0STU7  
 endo-β-1,4-xylanase (CfXyn2) 3.2.1.8 pubmed
Holomastigotoides mirabile BAH56522.1 C0STU9  
 endo-β-1,4-xylanase (CfXyn3-1) 3.2.1.8 pubmed
Holomastigotoides mirabile BAH56524.1 C0STV1  
 β-1,4-xylanase (Xyn2;X2) 3.2.1.8 pubmed
Humicola grisea var. thermoidea 60849 AAG16891.1 Q9HGE1  
 xylanase 1 (Xyl1;Xyl I) 3.2.1.8 pubmed
Humicola insolens CAA53632.1 P55334  
 xylanase (Xyn11A) 3.2.1.8 pubmed
Humicola insolens Y1 AHC72381.1 V9TS54  
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