Glycoside Hydrolase Family 43

Activities in Familyβ-xylosidase (EC; α-L-arabinofuranosidase (EC; xylanase (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.-); [inverting] exo-α-1,5-L-arabinanase (EC 3.2.1.-); [inverting] endo-α-1,5-L-arabinanase (EC; exo-β-1,3-galactanase (EC; β-D-galactofuranosidase (EC
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. 82:1686-1692 (PMID: 26729713).
External resourcesCAZypedia;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (21664); Uniprot accession (1416); PDB accession (108); 3D entries (47); cryst (1)
All (20970) Archaea (32) Bacteria (20030) Eukaryota (865) Viruses (5) unclassified (38) Structure (47 - 1 cryst) Characterized (183)
Protein Name EC#OrganismGenBank UniprotPDB/3D Subf
 EFA46_002795   Halarchaeum sp. CBA1220 QLC33179.1     22
 EFA46_012440   Halarchaeum sp. CBA1220 QLC35059.1     3
 HARCEL1_11225   Haloarculaceae archaeon HArcel1 AWB28233.1     3
 HARCEL1_02545   Haloarculaceae archaeon HArcel1 AWB28607.1     3
 G3A49_18265   Haloferax alexandrinus wsp1 QIB79924.1     3
 ABY42_16820   Haloferax gibbonsii ARA6 AKU09507.1     3
 ABY42_16420   Haloferax gibbonsii ARA6 AKU09378.1     10
 ABY42_16830   Haloferax gibbonsii ARA6 AKU09509.1     3
 HfgLR_22145   Haloferax gibbonsii LR2-5 QOS13637.1     10
 Halxa_2429   Halopiger xanaduensis SH-6 AEH37048.1     22
 Halxa_0460   Halopiger xanaduensis SH-6 AEH39061.1     18
 HTIA_1294   Halorhabdus tiamatea SARL4B type strain: SARL4B CCQ33428.1     12
 HTIA_2442   Halorhabdus tiamatea SARL4B type strain: SARL4B CCQ34550.1     12
 HTIA_2151   Halorhabdus tiamatea SARL4B type strain: SARL4B CCQ34263.1     3
 Huta_2699   Halorhabdus utahensis DSM 12940 ACV12860.1 C7NQD4   12
 Huta_2449   Halorhabdus utahensis DSM 12940 ACV12615.1 C7NMH6   3
 Huta_1400   Halorhabdus utahensis DSM 12940 ACV11576.1 C7NNQ1   12
 Huta_2423   Halorhabdus utahensis DSM 12940 ACV12589.1 C7NMF0   3
 I7X12_18360   Halosimplex litoreum YGH94 QPV62665.1     12
 I7X12_05410   Halosimplex litoreum YGH94 QPV64067.1     12
 HZS54_07670   Halosimplex pelagicum R2 QLH81511.1     3
 HZS54_09680   Halosimplex pelagicum R2 QLH81876.1     12
 HZS55_17300   Halosimplex rubrum R27 QLH78942.1     12
 HZS55_08565   Halosimplex rubrum R27 QLH77341.1     12
 HALLA_10635   Halostagnicola larsenii XH-48 AHF99242.1     10
 HALLA_04100   Halostagnicola larsenii XH-48 AHG01587.1     3
 JMJ58_23280   Haloterrigena salifodinae BOL5-1 QRV17913.1     3
 JMJ58_23240   Haloterrigena salifodinae BOL5-1 QRV17905.1     3
 JMJ58_18495   Haloterrigena salifodinae BOL5-1 QRV14881.1     22
 Htur_2076   Haloterrigena turkmenica DSM 5511 ADB60959.1 D2RT79   22
 Htur_4496   Haloterrigena turkmenica DSM 5511 ADB63307.1 D2S1R0   3
 Htur_4504   Haloterrigena turkmenica DSM 5511 ADB63315.1 D2S1R8   3

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