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Glycoside Hydrolase Family 43

Activities in Familyα-1,2-L-arabinofuranosidase (EC 3.2.1.-);
α-1,3-L-arabinofuranosidase (EC 3.2.1.-);
α-1,4-L-arabinofuranosidase (EC 3.2.1.-);
Exo-1,4-β-xylosidase (EC 3.2.1.-);
Exo-α-1,5-L-arabinofuranosidase (EC 3.2.1.-);
Exo-β-1,3-galactanase (EC 3.2.1.145);
β-D-galactofuranosidase (EC 3.2.1.146);
Xylan β-1,4-xylosidase (EC 3.2.1.37);
α-L-arabinofuranosidase (EC 3.2.1.55);
β-1,3-xylosidase (EC 3.2.1.72);
Endo-β-1,4-xylanase (EC 3.2.1.8);
[inverting] endo-α-1,5-L-arabinanase (EC 3.2.1.99);
Mechanism Inverting e
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 (38987); Uniprot accession (207); PDB accession (112); 3D entries (51); cryst (1)
Summary
Download GH43 (47396) Taxonomic display Structure (51 - 1 cryst) Characterized (226)
| 1 | 2 | 3 |
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D Subf
 α-L-arabinofuranosidase II (Araf43;LbAraf43;N624_1993) 3.2.1.- pubmed
 Levilactobacillus brevis DSM 1269 / TMW 1.313 APU52333.1
KIO95879.1		   5M8B[A,B] 26
 α-L-arabinofuranoside (weak activity) (A3224_13575) 3.2.1.55 pubmed
 Microbulbifer thermotolerans DAU221 AMX03466.1 A0A143HPP2   9
 α-L-arabinofuranosidase (GA0070618_4635) 3.2.1.55 pubmed
 Micromonospora echinospora DSM 43816 SCF26596.1 A0A1C4Z108   20
 β-D-galactofuranosidase (GA0074704_5727) 3.2.1.146 pubmed
 Micromonospora siamensis DSM 45097 SCG78792.1 A0A1C5K7P2   30
 α-L-arabinofuranosidase (SAMN05216490_0716) 3.2.1.55 pubmed
 Mucilaginibacter mallensis MP1X4 SDS19757.1 A0A1H1Q8Z9   2
 α-L-arabinofuranoside (weak activity) (B160DRAFT_01699) 3.2.1.55 pubmed
 Niabella aurantiaca WP_018628786.1     18
 α-L-arabinofuranoside (weak activity) (OPIT5_12740) 3.2.1.55 pubmed
 Opitutaceae bacterium TAV5 AHF90946.1 W0J2F7   18
 β-D-galactofuranosidase (weak activity) (Oter_3903) 3.2.1.146 pubmed
 Opitutus terrae PB90-1 ACB77177.1 B1ZZA2   32
 multifunctional exo-β-xylosidase / α-L-arabinofuranosidase (GH43B6) 3.2.1.37
3.2.1.55		 doi
doi
 Paenibacillus curdlanolyticus B-6 AIU98619.1 A0A0A0R2Z1   1
 multifunctional α-L-arabinofuranosidase / endoxylanase / β-xylosidase (Axy43A; PcAxy43A; Xyl43AB6) 3.2.1.37
3.2.1.55
3.2.1.8		 pubmed
pubmed
pubmed
 Paenibacillus curdlanolyticus B-6 AIW81427.1     35
 multifunctional α-L-arabinofuranosidase / endoxylanase / β-xylosidase (PcAxy43B) 3.2.1.37
3.2.1.55
3.2.1.8		 pubmed
pubmed
pubmed
 Paenibacillus curdlanolyticus B-6 AIY28330.1     16
 β-xylosidase 43A (PpXyl43A; Xsa; Pph_0602; GCM10010917_12990) (Xyl43A) 3.2.1.37 pubmed
 Paenibacillus physcomitrellae CGMCC 1.15044 GGA29392.1
WP_094092920.1		     1
 β-xylosidase 43B (PpXyl43B; Pph_2344; CM10010917_34190) (Xyl43B) 3.2.1.37
3.2.1.55		 pubmed
pubmed
 Paenibacillus physcomitrellae CGMCC 1.15044 GGA46072.1
WP_094094306.1		     11
 α-L-arabinofuranosidase 43A (XynD) (Xyn43A) 3.2.1.55 pubmed
 Paenibacillus polymyxa ATCC 842 CAA40378.1 P45796   16
 endo-α-1,5-L-arabinanase (AbnZ3;YxiA3) 3.2.1.99 doi
 Paenibacillus polymyxa Z6 AHA50064.1 V5LEX8   4
 endo-α-1,5-L-arabinanase (AbnZ2;Yxia1) 3.2.1.99 doi
 Paenibacillus polymyxa Z6 AHA50063.1 V5LFQ5   4
 endo-α-1,5-L-arabinanase (AbnZ1) 3.2.1.99 pubmed
 Paenibacillus polymyxa Z6 AHA50062.1 V5LER1   5
 α-L-arabinofuranosidase (Abf43A) 3.2.1.55 pubmed
 Paenibacillus sp. E18 ACY69973.1 D6BQP5   10
 α-L-arabinofuranosidase (Abf43B) 3.2.1.55 pubmed
 Paenibacillus sp. E18 AFC38437.1 J9PXM5   27
 β-D-galactofuranosidase (Pjdr2_0435) 3.2.1.146 pubmed
 Paenibacillus sp. JDR-2 ACS99115.1 C6CSG3   34
 β-xylosidase /α-L-arabinofuranosidase (XylC) 3.2.1.37
3.2.1.55		 pubmed
pubmed
 Paenibacillus woosongensis ADV16404.1 E7DXB6   35
 β-xylosidase (PxXyl43A) (Xyl43A) 3.2.1.37 pubmed
 Paenibacillus xylaniclasticus TW1 BDA87314.1     12
 β-1,4-xylosidase 43A (JOP69_09760) (Xyl43A) 3.2.1.37 pubmed
 Polaribacter sp. Q13 QVY64065.1     1
 β-1,3-xylosidase 43B (JOP69_09845) (Xyl43B) 3.2.1.72 pubmed
 Polaribacter sp. Q13 QVY64080.1     12
 endo-arabinanase (Abn;Tth Abn;Theth_1128) 3.2.1.99 pubmed
 Pseudothermotoga thermarum DSM 5069 AEH51204.1 F7YX80   4
 α-L-arabinofuranosidase (RiAbf43A;ROSINTL182_08193) (Abf43A) 3.2.1.55 pubmed
 Roseburia intestinalis L1-82 EEU99940.1 C7GE41   12
 α-L-arabinofuranosidase (Ccel_1229) 3.2.1.55 pubmed
 Ruminiclostridium cellulolyticum H10 ACL75585.1     16
 β-xylosidase (Ccel_1231) 3.2.1.37 pubmed
 Ruminiclostridium cellulolyticum H10 ACL75587.1     29
 α-L-arabinofuranosidase (Ccel_1233) 3.2.1.55 pubmed
 Ruminiclostridium cellulolyticum H10 ACL75589.1     10
 α-L-arabinofuranosidase (XuaE; Ccel_1257) 3.2.1.55 pubmed
 Ruminiclostridium cellulolyticum H10 ACL75613.1     10
 bifunctional β-xylosidase / α-L-arabinofuranosidase (Ccel_1235) 3.2.1.37
3.2.1.55		 pubmed
pubmed
 Ruminiclostridium cellulolyticum H10 ACL75591.1     29
 double substituted arabinoxylan α-1,3-L-specific arabinofuranohydrolase (RjAxh43B) (Axh43B) 3.2.1.55 pubmed
 Ruminiclostridium josui JCM 17888 BAW98157.1 A0A1Q2U2H0   10
 arabinanase 43A (RjAbn43A) (Abn43A) 3.2.1.55 pubmed
 Ruminiclostridium josui JCM 17888 BBA94052.1 A0A2Z5U6M1   22
 arabinanase (GH43D;RUM_09280) (Ara43D) 3.2.1.99 pubmed
 Ruminococcus champanellensis 18P13 = JCM 17042 CBL17100.1 D4LBV5   4
 arabinanase (GH43A;RUM_09320) (Ara43A) 3.2.1.99 pubmed
 Ruminococcus champanellensis 18P13 = JCM 17042 CBL17103.1 D4LBV8   37
 α-L-arabinofuranosidase (GH43B;RUM_14020) (Abf43B) 3.2.1.55 pubmed
 Ruminococcus champanellensis 18P13 = JCM 17042 CBL17514.1 D4LD19   16
 bifunctional xylanase α-L-arabinofuranosidase (GH10B;GH43E;RUM_15940) (Xyn10B-Abf43E) 3.2.1.55 pubmed
 Ruminococcus champanellensis 18P13 = JCM 17042 CBL17682.1 D4LDI7   16
 β-xylosidase (XynB;Orf0389;00389-GPBOY;PBR_0394) 3.2.1.37 pubmed
 Segatella baroniae B14 CAA89208.1
CAD21010.1		 P48791
Q7AUW6		   1
 arabinoxylan arabinofuranohydrolase (ORF2351) (Ara43A) 3.2.1.55 pubmed
 Segatella baroniae B14 ADI70680.1 D7SFH6   12
  β-xylosidase (PREVCOP_04951; PREVCOP_02876) 3.2.1.37 pubmed
 Segatella copri WP_006847659.1 A0A6I2TZV0
D1PCL7		   1
 α-L-arabinofuranosidase (PREVCOP_02123; PREVCOP_06096) 3.2.1.55 pubmed
 Segatella copri DSM 18205 EFB34377.1 D1PFT8   12
 β-xylosidase / α-L-arabinofuranosidase (Xsa; Sxa; SXA; SrXyl43) 3.2.1.37
3.2.1.55		 pubmed
pubmed
 Selenomonas ruminantium GA192 AAB97967.1 O52575 3C2U[A,B,C,D] 11
 β-xylosidase (Xyl455) 3.2.1.37 doi
 Sphingobacterium sp. HP455 AGL51118.1 R4P2Z4   1
 exo-β-1,3-galactanase (Exo-1,3-Gal) 3.2.1.145 pubmed
 Sphingomonas sp. 24T BDD85635.1     24
 β-D-galactofuranosidase (weak activity) (Snas_0206) 3.2.1.146 pubmed
 Stackebrandtia nassauensis DSM 44728 ADD39925.1 D3Q1S7   30
 α-L-arabinofuranosidase (weak activity) (STAUR_1358) 3.2.1.55 pubmed
 Stigmatella aurantiaca DW4/3-1 ADO69162.1 Q09B80   23
 exo-α-1,5-L-arabinofuranosidase (SaAraf43A; SAV1043) (Araf43A) 3.2.1.- pubmed
 Streptomyces avermitilis MA-4680 = NBRC 14893 BAC68753.1
NP_822218.1		 Q82P90 3AKF[A]
3AKG[A]
3AKH[A]
3AKI[A] 		26
 exo-β-1,3-galactanase (Sa1,3Gal43A;SAV2109) (1,3Gal43A) 3.2.1.145 pubmed
 Streptomyces avermitilis MA-4680 = NBRC 14893 BAC69820.1
NP_823285.1		 Q82LA2   24
 exo-α-1,5-L-arabinofuranosidase II (AFase II) 3.2.1.- pubmed
 Streptomyces chartreusis GS901 BAA90772.1
B59296		 P82594   26
 α-L-arabinofuranosidase (SCAB_44321) 3.2.1.55 pubmed
 Streptomyces scabiei 87.22 CBG71495.1 C9Z7A1   20
 exo-β-1,3-galactanase (SGalase2) 3.2.1.145 pubmed
 Streptomyces sp. 19(2012) AFH55135.1 I0B0T0   24
 exo-β-1,3-galactanase (SGalase1) (partial) 3.2.1.145 pubmed
 Streptomyces sp. 19(2012) AFH55134.1 I0B0S9   24
 β-1,3-xylosidase (SWU43A) 3.2.1.72 pubmed
 Streptomyces sp. SWU10 BBA57882.1     12
 [ginsenoside] β-xylosidase (StGH43; STRTUCAR8_01029) 3.2.1.37 pubmed
 Streptomyces turgidiscabies Car8 ELP66521.1     12
 β-xylosidase (TfBXyl43) (Xyl43A) 3.2.1.37 pubmed
 Thermobifida fusca TM51 AEF28829.1 F6LAX2   11
 β-xylosidase (Tfu_1616) (Xyl43A) 3.2.1.37 pubmed
 Thermobifida fusca YX AAZ55651.1 Q47PG8   11
 β-xylosidase (Xyl43A; ThXyl43A) 3.2.1.37 pubmed
 Thermobifida halotolerans YIM 90462 AYD38350.1 A0A399G7U0   11
 β-xylosidase / α-L-arabinofuranosidase 3.2.1.37
3.2.1.55		 pubmed
pubmed
 Thermoclostridium stercorarium BAA02527.1 P48790   35
 β-xylosidase (Xyl43B) (Xyl43B) 3.2.1.37 pubmed
 Thermoclostridium stercorarium F-9 BAC87941.1 Q76EC8   10
 endo-α-1,5-L-arabinanase (AbnA;TpABN;Tpet_0637) 3.2.1.99 pubmed
 Thermotoga petrophila RKU-1 ABQ46657.1 A5IKD4 4KC7[A,B,C]
4KC8[A,B,C] 		4
 β-xylosidase / α-L-arabinofuranosidase (CoXyl43) 3.2.1.37
3.2.1.55		 pubmed
pubmed
 uncultured bacterium BAS02080.1 A0A0H5BL38 5GLK[A,B]
5GLL[A,B]
5GLM[A,B]
5GLN[A,B]
5GLO[A,B]
5GLP[A,B]
5GLQ[A,B]
5GLR[A,B] 		1
 α-L-arabinofuranosidase / β-xylosidase (deAX) 3.2.1.37
3.2.1.55		 pubmed
pubmed
 uncultured bacterium ACF39706.1 B8QP77   12
 exo-α-1,5-L-arabinanase (Arn3;ARN3) 3.2.1.- pubmed
 uncultured bacterium ADB43999.1 D2XML8 4KCB[A,B] 5
 endo-α-1,5-L-arabinanase (Arn2) 3.2.1.99 pubmed
 uncultured bacterium ADB43998.1 D2XML7   4
 α-L-arabinofuranosidase (AGphAbf43) 3.2.1.55 pubmed
 uncultured bacterium AYF53161.1     18
 bimodular xylan nonreducing-end β-xylosidase + reducing-end β-xylosidase (MG43_2-8; Beaver_12_H03_13) 3.2.1.37 pubmed
 uncultured bacterium QNO39517.1     2
 multifunctional arabinoxylooligosaccharide-specific exo-β-xylosidase / α-1,2/3-L-arabinofuranosidase (MG43_28; Beaver_12_J03_18) 3.2.1.-
3.2.1.-
3.2.1.-		 pubmed
pubmed
pubmed
pubmed
pubmed
pubmed
pubmed
pubmed
pubmed
 uncultured bacterium QNO39519.1     28
 α-1,3-L-arabinofuranosidase (MG43_7; Beaver_12_H03_12) 3.2.1.- pubmed
 uncultured bacterium QNO39518.1     7
 α-L-arabinofuranosidase / β-xylosidase (deAFc) 3.2.1.37
3.2.1.55		 doi
doi
 uncultured bacterium ABB92159.1 A0S5D8   12
 β-xylobiosidase / α-L-arabinofuranosidase (r_09-02) 3.2.1.37
3.2.1.55		 pubmed
pubmed
 uncultured bacterium r_09 AFN57709.1 I6YTF5   35
 β-1,4-xylosidase / α-L-arabinofuranoside (RuXyn1) 3.2.1.37
3.2.1.55		 pubmed
pubmed
 uncultured rumen bacterium ADO20354.1 E3TBJ3   1
 β-xylosidase / α-L-arabinofuranosidase (RUM630-BX) 3.2.1.37 pubmed
 uncultured rumen bacterium AFE48532.1 H9A0B4   1
 endo-α-1,5-L-arabinanase (Arn2;ARN2) (partial) 3.2.1.99 pubmed
 uncultured rumen bacterium     4KCA[A]
4KCA[B] 		4
 β-1,3-xylosidase (XloA) 3.2.1.72 pubmed
 Vibrio sp. XY-214 BAF98235.1 A9ZND1   11
 α-L-arabinofuranosidase (Araf43;WAraf43) 3.2.1.- pubmed
 Weissella sp. 142 APU52332.1 A0A0D1M7L2
A0A1L7HA00		 5M8E[A,B] 26
 β-xylosidase (Xyn43;WXyn43) 3.2.1.37 pubmed
 Weissella sp. 92 ALB06585.1 A0A0M4ALT9   11
 α-L-arabinofuranosidase (XacAbf43A; XAC4183) 3.2.1.55 doi
 Xanthomonas citri pv. citri str. 306 AAM39018.1
NP_644482.1
WP_011052791.1		 Q8PF05   9
 xylan 1,4-β-xylosidase (XAC4258 (Xsa)) 3.2.1.37 pubmed
 Xanthomonas citri pv. citri str. 306 AAM39093.1
NP_644557.1		 Q8PET2 6XN0[A,B]
6XN1[A,B]
6XN2[A,B] 		1
 α-1,3-L-arabinofuranosidase (XeHypAA; XCV2728) 3.2.1.- pubmed
 Xanthomonas euvesicatoria pv. vesicatoria str. 85-10 CAJ24407.1
AOY66215.1		     29
 exo-α-L-arabinofuranosidase (MC60GH43) 3.2.1.-   Xylanivirga thermophila UKG18725.1     26
 endo-arabinanase (MC68GH43-1) 3.2.1.99 pubmed
 Xylanivirga thermophila UKG18727.1     4
 endo-arabinanase (C72GH43-2) 3.2.1.99 pubmed
 Xylanivirga thermophila UKG18730.1     4
 exo-α-L-arabinofuranosidase (MC68GH43-2) 3.2.1.- pubmed
 Xylanivirga thermophila UKG18728.1     26
Eukaryota
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D Subf
 endo-α-1,5-L-arabinanase (Ara1) 3.2.1.99 pubmed
 Aspergillus aculeatus CBS 101.43 AAG27441.1 Q9HFS9   6
 endo-α-1,5-L-arabinosidase (AN8007.2) 3.2.1.99 pubmed
 Aspergillus nidulans FGSC A4 EAA58810.1
ABF50890.1		 C8V5S3
Q5AUM3		   6
 endo-α-1,5-L-arabinosidase (AN6352.2) 3.2.1.99 pubmed
 Aspergillus nidulans FGSC A4 EAA58736.1
ABF50876.1		 C8V0Y7
Q5AZC8		   6
 An09g01190 (AbnA) 3.2.1.99 pubmed
 Aspergillus niger CBS 513.88 CAK49041.1 A2QT85   6
 arabinan endo-α-1,5-L-arabinosidase A (AbnA; AnEARAB) 3.2.1.99 pubmed
 Aspergillus niger CBS120.49 / N400 AAA32682.1
AAE37583.1		 P42256   6
 endo-α-1,5-L-arabinanase (AbnA) 3.2.1.99 doi
 Aspergillus niveus PR-2 AEV23010.1 H6TQN0   6
 β-xylosidase (XylB;AO090005000698) 3.2.1.37 pubmed
 Aspergillus oryzae RIB40 BAE55732.1 Q2URT3   1
 β-xylosidase (AtL) 3.2.1.37 pubmed
 Aspergillus terreus Li-20 AFD63137.1 H9BYY0   1
 β-xylosidase (Xyp1) 3.2.1.37 pubmed
 Bipolaris zeicola AAC67554.1 O93912   1
 α-L-arabinofuranosidase (Ara;CsAra) 3.2.1.55 doi
 Chaetomium sp. CQ31 AFU88757.1 K7QK60   26
 endo-α-1,5-L-arabinanase (Abn1) 3.2.1.99 pubmed
 Chrysosporium lucknowense C1 ADZ98858.1 F2X2F4   6
 α-L-arabinofuranosidase (Abn4) 3.2.1.- doi
 Chrysosporium lucknowense C1 ADZ98860.1 F2X2F6   26
 arabinoxylan hydrolase / double substituted xylan α-1,3-L-arabinofuranosidase (Abn7; AXHd; ABF-d3) 3.2.1.55 pubmed
 Chrysosporium lucknowense C1 ADZ98862.1 F2X2F8   36
 exo-β-1,3-galactanase (Fo/1,3Gal) 3.2.1.145 pubmed
 Fusarium oxysporum 12S BAG80558.1 B6F260   24
 double substituted xylan α-1,3-L-arabinofuranosidase (α-araF; AXHd3; HiAXHd3; Abf II; HiABF43_36a; ABF-d3) 3.2.1.55 pubmed
 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 pubmed
 Humicola insolens Y1 AIM56896.1 A0A0F6NRE2   26
 β-xylosidase / α-L-arabinofuranosidase (Xyl43A) 3.2.1.37 pubmed
 Humicola insolens Y1 AHC72382.1 V9TNS0   1
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