Glycoside Hydrolase Family 43

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.-)
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. 82:1686-1692 (PMID: 26729713).
External resourcesCAZypedia;
Commercial Enzyme Provider(s)MEGAZYME; NZYTech; PROZOMIX;
Statistics GenBank accession (12122); Uniprot accession (1416); PDB accession (95); 3D entries (43); cryst (2)
All (11513) Archaea (19) Bacteria (11002) Eukaryota (459) Viruses (5) unclassified (28) Structure (43 - 2 cryst) Characterized (156)
| 1 | 2 | 3 | 4 | 5 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D Subf
 endo-α-1,5-L-arabinanase (Abn1) 3.2.1.99 Chrysosporium lucknowense C1 ADZ98858.1     6
 α-L-arabinofuranosidase (Abn4) 3.2.1.- Chrysosporium lucknowense C1 ADZ98860.1     26
 arabinoxylan hydrolase / double substituted xylan α-1,3-L-arabinofuranosidase (Abn7;AXHd) 3.2.1.55 Chrysosporium lucknowense C1 ADZ98862.1     36
 Glycosyl hydrolase family 43, partial (fragment)   Chytridiomycota sp. NHY-2018 WSF3a AWI66977.1     1
 glycoside hydrolase family 43A protein   Cladosporium acalyphae SL-16 AQX83202.1     1
 glycoside hydrolase family 43B protein   Cladosporium acalyphae SL-16 AQX83203.1     14
 ORF   Cladosporium cladosporioides AMB51804.1     22
 ORF   Cladosporium cladosporioides AMB51804.1     34
 A9K55_006062   Cordyceps militaris ATCC 34164 ATY59890.1     34
 FFUJ_11772   Fusarium fujikuroi IMI 58289 CCT75736.1     26
 FFUJ_05620   Fusarium fujikuroi IMI 58289 CCT69715.1     1
 FFUJ_02646   Fusarium fujikuroi IMI 58289 CCT65681.1     30
 FFUJ_03545   Fusarium fujikuroi IMI 58289 CCT66509.1     14
 FFUJ_12969   Fusarium fujikuroi IMI 58289 CCT66803.1     24
 FFUJ_07108   Fusarium fujikuroi IMI 58289 CCT68331.1     11
 FFUJ_07745   Fusarium fujikuroi IMI 58289 CCT68918.1     33
 FFUJ_05363   Fusarium fujikuroi IMI 58289 CCT69475.1     26
 FFUJ_06683   Fusarium fujikuroi IMI 58289 CCT70692.1     13
 FFUJ_08896   Fusarium fujikuroi IMI 58289 CCT71064.1     1
 FFUJ_08223 (fragment)   Fusarium fujikuroi IMI 58289 CCT71884.1     11
 FFUJ_08073   Fusarium fujikuroi IMI 58289 CCT71818.1     36
 FFUJ_13766   Fusarium fujikuroi IMI 58289 CCT72226.1     26
 FFUJ_12364   Fusarium fujikuroi IMI 58289 CCT72489.1     13
 FFUJ_12604   Fusarium fujikuroi IMI 58289 CCT72711.1     24
 FFUJ_12722   Fusarium fujikuroi IMI 58289 CCT72829.1     1
 FFUJ_12900   Fusarium fujikuroi IMI 58289 CCT73002.1     22
 FFUJ_10081   Fusarium fujikuroi IMI 58289 CCT73237.1     30
 FFUJ_09342   Fusarium fujikuroi IMI 58289 CCT73834.1     22
 FFUJ_10580   Fusarium fujikuroi IMI 58289 CCT74525.1     36
 FFUJ_10836   Fusarium fujikuroi IMI 58289 CCT74767.1     14
 FFUJ_11037   Fusarium fujikuroi IMI 58289 CCT74963.1     30
 FFUJ_11148   Fusarium fujikuroi IMI 58289 CCT75067.1     29
 FFUJ_11149   Fusarium fujikuroi IMI 58289 CCT75068.1     36
 FFUJ_11939   Fusarium fujikuroi IMI 58289 CCT75893.1     5
 FFUJ_11940   Fusarium fujikuroi IMI 58289 CCT75894.1     34
 FFUJ_04679   Fusarium fujikuroi IMI 58289 CCT64134.1     21
 Xyl07   Fusarium graminearum F4 AAT84252.1 Q49SA7   29
 Xyl18   Fusarium graminearum F4 AAT84256.1 A4UVN1   22
 Xyl32   Fusarium graminearum F4 AAT84259.1 A4UVM9   1
 Xyl34   Fusarium graminearum F4 AAT84260.1 A4UVM8   1
 Xyl14   Fusarium graminearum F4 AAV66342.1 Q49S25   21
 Xyl25   Fusarium graminearum F4 AAV66345.1 A4UVM7   26
 Xyl09   Fusarium graminearum F4 AAV98255.1 Q3ZM12   33
 Xyl27   Fusarium graminearum F4 AAV98256.1 Q3ZM11   14
 Xyl28   Fusarium graminearum F4 AAV98257.1 A4UVM6   36
 Xyl33   Fusarium graminearum F4 AAV98258.1 Q3ZM09   11
 Xyl35   Fusarium graminearum F4 AAV98259.1 A4UVM5   14
 unnamed protein product   Fusarium graminearum PH-1 CEF84908.1     14
 unnamed protein product   Fusarium graminearum PH-1 CEF77428.1     1
 unnamed protein product   Fusarium graminearum PH-1 CEF88340.1     24
 unnamed protein product   Fusarium graminearum PH-1 CEF87850.1     1
 unnamed protein product   Fusarium graminearum PH-1 CEF78803.1     22
 unnamed protein product   Fusarium graminearum PH-1 CEF83698.1     29
 unnamed protein product   Fusarium graminearum PH-1 CEF85905.1     14
 unnamed protein product   Fusarium graminearum PH-1 CEF87057.1     11
 unnamed protein product   Fusarium graminearum PH-1 CEF83809.1     36
 unnamed protein product   Fusarium graminearum PH-1 CEF77769.1     26
 unnamed protein product   Fusarium graminearum PH-1 CEF85517.1     30
 unnamed protein product   Fusarium graminearum PH-1 CEF82991.1     21
 unnamed protein product   Fusarium graminearum PH-1 CEF86826.1     24
 unnamed protein product   Fusarium graminearum PH-1 CEF77713.1     5
 unnamed protein product   Fusarium graminearum PH-1 CEF77714.1     34
 unnamed protein product   Fusarium graminearum PH-1 CEF78447.1     36
 unnamed protein product   Fusarium graminearum PH-1 CEF75023.1     33
 unnamed protein product   Fusarium graminearum PH-1 CEF76293.1    
 exo-β-1,3-galactanase (Fo/1,3Gal) 3.2.1.145 Fusarium oxysporum 12S BAG80558.1 B6F260   24
 FVRRES_12002   Fusarium venenatum A3/5 CEI39311.1     30
 FVRRES_12475   Fusarium venenatum A3/5 CEI39784.1     14
 FVRRES_04164   Fusarium venenatum A3/5 CEI67652.1     5
 FVRRES_03131   Fusarium venenatum A3/5 CEI66619.1     33
 FVRRES_07730   Fusarium venenatum A3/5 CEI63294.1     22
 FVRRES_12657   Fusarium venenatum A3/5 CEI39966.1     36
 FVRRES_10919   Fusarium venenatum A3/5 CEI70842.1     1
 FVRRES_12880   Fusarium venenatum A3/5 CEI40189.1     21
 FVRRES_10715   Fusarium venenatum A3/5 CEI70638.1     24
 FVRRES_10370   Fusarium venenatum A3/5 CEI70293.1     11
 FVRRES_12656   Fusarium venenatum A3/5 CEI39965.1     29
 FVRRES_05903   Fusarium venenatum A3/5 CEI61467.1     34
 FVRRES_08199 (fragment)   Fusarium venenatum A3/5 CEI68122.1     14
 FVRRES_10952   Fusarium venenatum A3/5 CEI70875.1     14
 FVRRES_05636   Fusarium venenatum A3/5 CEI61200.1     1
 FVRRES_08201   Fusarium venenatum A3/5 CEI68124.1     14
 FVRRES_04525   Fusarium venenatum A3/5 CEI60089.1    
 FVRRES_09387   Fusarium venenatum A3/5 CEI69310.1     24
 FVRRES_06931   Fusarium venenatum A3/5 CEI62495.1     22
 FVRRES_05902   Fusarium venenatum A3/5 CEI61466.1     5
 FVRRES_05961   Fusarium venenatum A3/5 CEI61525.1     26
 FVRRES_06611   Fusarium venenatum A3/5 CEI62175.1     36
 unknown   Glycine max ACU19498.1 C6TCE6   24
 HxylA   Humicola grisea var. thermoidea 60849 ANR02570.1     1
 HxylB   Humicola grisea var. thermoidea 60849 ANR02571.1     11
 double substituted xylan α-1,3-L-arabinofuranosidase (α-araF;AXHd3;;Abf II) 3.2.1.55 Humicola insolens DSM 18000 CAL81199.1   3ZXJ[A,B]
3ZXK[A,B]
3ZXL[A,B]
36
 α-L-arabinofuranosidase (Abf43;HiAbf43) 3.2.1.55 Humicola insolens Y1 AIM56896.1     26
 β-xylosidase / α-L-arabinofuranosidase (Xyl43A) 3.2.1.37 Humicola insolens Y1 AHC72382.1     1
 β-xylosidase / α-L-arabinofuranosidase (Xyl43B) 3.2.1.37
3.2.1.55
Humicola insolens Y1 AHC72383.1     11
 ORF   Hypocrella siamensis MTCC 10142 ANH22735.1     34
 xylosidase   Irpex lacteus AWU22294.1     1
 exo-β-1,3-galactanase (Il3Gal;Il1,3GAL) 3.2.1.145 Irpex lacteus NBRC 5367 BAH29957.1 B9ZZS1   24
 endo-arabinase   Lasiodiplodia theobromae CBS 247.96 CAJ81227.1     6
 endo-arabinase   Lasiodiplodia theobromae CBS 247.96 CAJ81228.1     24
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