Glycoside Hydrolase Family 43 / Subf 31

Activities in Familyβ-xylosidase (EC; α-L-arabinofuranosidase (EC; arabinanase (EC; xylanase (EC; galactan 1,3-β-galactosidase (EC; α-1,2-L-arabinofuranosidase (EC 3.2.1.-); exo-α-1,5-L-arabinofuranosidase (EC 3.2.1.-); [inverting] exo-α-1,5-L-arabinanase (EC 3.2.1.-); β-1,3-xylosidase (EC 3.2.1.-)
Mechanism Inverting
3D Structure Status5-fold β-propeller
Catalytic Nucleophile/BaseAsp
Catalytic Proton DonorGlu
NoteMany members have been assigned to subfamilies as described by Mewis et al. (2016) Appl. Environm. Microbiol. in press (PMID: 26729713).
External resourcesCAZypedia;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (73); Uniprot accession (15); PDB accession (1); 3D entries (1); cryst (0)
All (71) Bacteria (71) Structure (1)
Protein Name EC#Organism GenBankUniprotPDB/3DSubf
 A9P82_12640   Arachidicoccus sp. BS20 ANI90057.1     31
 AREALGSMS7_03096 (XloA) (fragment)   Arenibacter algicola SMS7 ASO06527.1     31
 A4V03_17440   Bacteroides caecimuris I48 ANU59118.1     31
 A4V03_18050   Bacteroides caecimuris I48 ANU59225.1     31
 BcellWH2_02652 (Abn-ts_2)   Bacteroides cellulosilyticus WH2 ALJ59891.1     31
 ABI39_10930   Bacteroides dorei CL03T12C01 AND19849.1     31
 ABI39_10935   Bacteroides dorei CL03T12C01 AND19850.1     31
 EL88_03755   Bacteroides dorei isolate HS1_L1_B_010 AII62334.1     31
 EL88_03750   Bacteroides dorei isolate HS1_L1_B_010 AII62333.1     31
 GV66_11315   Bacteroides dorei isolate HS1_L3_B_079 AII68260.1     31
 GV66_11320   Bacteroides dorei isolate HS1_L3_B_079 AII68261.1     31
 IY41_11560   Bacteroides dorei isolate HS2_L_2_B_045b ALA74021.1     31
 IY41_11565   Bacteroides dorei isolate HS2_L_2_B_045b ALA74022.1     31
 BF638R_0360   Bacteroides fragilis 638R CBW20959.1 E1WMB6   31
 MB0529_00298 (fragment)   Bacteroides fragilis BE1 CUA16963.1     31
 MB0529_00295 (Xynd_2)   Bacteroides fragilis BE1 CUA16960.1     31
 VU15_01090   Bacteroides fragilis BOB25 AKA50444.1     31
 BF0303   Bacteroides fragilis NCTC 9343 CAH06076.1 Q5LIF0   31
 BUN20_20975   Bacteroides fragilis Q1F2 AUI48772.1     31
 AE940_18615   Bacteroides fragilis S14 ANQ62627.1     31
 BF0355   Bacteroides fragilis YCH46 BAD47104.1 Q64ZH2   31
 Bache_0651   Bacteroides helcogenes P 36-108 ADV42674.1     31
 Bovatus_03197 (AbnA)   Bacteroides ovatus ATCC 8483 ALJ47805.1     31
 BACOV975_00972   Bacteroides ovatus V975 SCV07211.1     31
 Btheta7330_00218 (Xynd_1)   Bacteroides thetaiotaomicron 7330 ALJ39818.1     31
 Btheta7330_00209 (Arba_1)   Bacteroides thetaiotaomicron 7330 ALJ39809.1     31
 Btheta7330_00012 (Xynb_1)   Bacteroides thetaiotaomicron 7330 ALJ39613.1     31
 BT2895   Bacteroides thetaiotaomicron VPI-5482 AAO78001.1
Q8A3Q9 3KST[A,B] 31
 BT2898   Bacteroides thetaiotaomicron VPI-5482 AAO78004.1
Q8A3Q6   31
 BT3108   Bacteroides thetaiotaomicron VPI-5482 AAO78214.1
Q8A347   31
 BVU_2229   Bacteroides vulgatus ATCC 8482 ABR39889.1 A6L2H5   31
 BVU_2230   Bacteroides vulgatus ATCC 8482 ABR39890.1 A6L2H6   31
 BvMPK_1777   Bacteroides vulgatus mpk ALK84380.1     31
 BvMPK_1778   Bacteroides vulgatus mpk ALK84381.1     31
 BXY_22280   Bacteroides xylanisolvens XB1A CBK67301.1 D6CYP9   31
 BARVI_02900   Barnesiella viscericola DSM 18177 AHF11950.1     31
 Belba_3293   Belliella baltica DSM 15883 AFL85801.1     31
 Belba_3291   Belliella baltica DSM 15883 AFL85799.1     31
 AXF12_11595   Capnocytophaga haemolytica CCUG 32990 AMD86094.1     31
 SAMEA44541418_01826 (Xynd_2)   Capnocytophaga haemolytica NCTC12947 SNV14035.1     31
 Cpin_6022   Chitinophaga pinensis DSM 2588 ACU63436.1 C7PFM4   31
 CK934_13365   Chitinophaga sp. MD30 ASZ11877.1     31
 FH5T_02585   Draconibacterium orientale FH5 AHW58852.1     31
 FH5T_13225   Draconibacterium orientale FH5 AHW60254.1     31
 Dfer_0745   Dyadobacter fermentans DSM 18053 ACT92006.1 C6W1E9   31
 Echvi_3730   Echinicola vietnamensis DSM 17526 AGA79942.1     31
 ING2E5B_1391   Fermentimonas caenicola ING2-E5B CEA16139.1     31
 D770_24625   Flammeovirgaceae bacterium 311 AHM63170.1     31
 BB050_04137 (Xsa_4)   Flavobacterium johnsoniae GSE09 AOC97215.1     31
 Fjoh_2027   Flavobacterium johnsoniae UW101 ABQ05058.1 A5FIA6   31
 A8C56_06895   Niabella ginsenosidivorans BS26 ANH80740.1     31
 NIASO_06490   Niabella soli DSM 19437 AHF14901.1     31
 CPT03_10375   Pedobacter ginsengisoli T01R-27 ATP56853.1     31
 Phep_2556   Pedobacter heparinus DSM 2366 ACU04760.1 C6Y048   31
 ING2E5A_1569   Petrimonas mucosa DSM 28695 SCM57912.1     31
 PEIBARAKI_1542   Petrimonas sp. IBARAKI BBA15415.1     31
 PRU_2076   Prevotella ruminicola 23 ADE83050.1 D5EUP4   31
 PSM36_1155   Proteiniphilum saccharofermentans SCD19980.1     31
 PSM36_1155   Proteiniphilum saccharofermentans SCD19980.1     31
 Pedsa_3065   Pseudopedobacter saltans DSM 12145 ADY53604.1     31
 AO058_17615   Salegentibacter sp. T436 APS40580.1     31
 AO058_17545   Salegentibacter sp. T436 APS40855.1     31
 CA265_01505   Sphingobacteriaceae bacterium GW460-11-11-14-LB5 ARS38431.1     31
 SAMEA4412673_01399 (Xynd_1)   Sphingobacterium mizutaii NCTC12149 SNV47644.1     31
 Sph21_0593   Sphingobacterium sp. 21 ADZ77173.1     31
 KO02_13660   Sphingobacterium sp. ML3W AIM37610.1     31
 SD10_11540   Spirosoma radiotolerans DG5A AKD55442.1     31
 CWM47_32375   Spirosoma sp. HA7 AUD06132.1     31
 CWM47_17410   Spirosoma sp. HA7 AUD03453.1     31
 ORF   uncultured bacterium Ele16D6 AGS50330.1     31
 ZPR_4332   Zunongwangia profunda SM-A87 ADF54634.1 D5BB94   31

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