Glycoside Hydrolase Family 43 / Subf 26

Activities in Familyβ-xylosidase (EC 3.2.1.37); α-L-arabinofuranosidase (EC 3.2.1.55); arabinanase (EC 3.2.1.99); xylanase (EC 3.2.1.8); galactan 1,3-β-galactosidase (EC 3.2.1.145); 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.-)
Activities in Sub Family
Mechanism Inverting
ClanGH-F
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 (1451); Uniprot accession (175); PDB accession (8); 3D entries (4); cryst (0)
All (1420) Bacteria (1392) Eukaryota (28) Structure (4) Characterized (12)
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 exo-α-1,5-L-arabinofuranosidase 43K (CJA_3012) (Abf43K) 3.2.1.- Cellvibrio japonicus Ueda107 ACE82749.1 B3PD54   26
 exo-α-1,5-L-arabinofuranosidase 43L (CJA_0806) (Abf43L) 3.2.1.- Cellvibrio japonicus Ueda107 ACE84379.1 B3PKP9   26
 α-1,5-L-arabinofuranosidase (Abf3) 3.2.1.- Lactobacillus brevis ATCC 14869 = DSM 20054 AGT14430.1     26
 α-L-arabinofuranosidase II (Araf43;LbAraf43;N624_1993) 3.2.1.- Lactobacillus brevis DSM 1269 / TMW 1.313 APU52333.1
KIO95879.1
  5M8B[A,B] 26
 exo-α-1,5-L-arabinofuranosidase (SaAraf43A;SAV1043) (Araf43A) 3.2.1.- Streptomyces avermitilis MA-4680 = NBRC 14893 BAC68753.1
NP_822218.1
  3AKF[A]
3AKG[A]
3AKH[A]
3AKI[A]
26
 exo-α-1,5-L-arabinofuranosidase II (AFase II) 3.2.1.- Streptomyces chartreusis GS901 BAA90772.1
B59296
P82594   26
 α-L-arabinofuranosidase (Araf43;WAraf43) 3.2.1.- Weissella sp. 142 APU52332.1   5M8E[A,B] 26
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 α-L-arabinofuranosidase (Ara;CsAra) 3.2.1.55 Chaetomium sp. CQ31 AFU88757.1     26
 α-L-arabinofuranosidase (Abn4) 3.2.1.- Chrysosporium lucknowense C1 ADZ98860.1     26
 α-L-arabinofuranosidase (Abf43;HiAbf43) 3.2.1.55 Humicola insolens Y1 AIM56896.1     26
 α-L-arabinofuranosidase B (AbfB;MoAbfB;MG06843;MGG_06843( 3.2.1.55 Magnaporthe oryzae 70-15 XP_370346.1 G4MMH2   26
 single-substituted arabinan-specific α-L-arabinofuranosidase (PcAbf43A;Pc06g00650) (Abf43A) 3.2.1.55 Penicillium chrysogenum 31B BAM73651.1     26
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