Glycoside Hydrolase Family 4

Activities in Family6-P-α-glucosidase (EC 3.2.1.122);
α-glucuronidase (EC 3.2.1.139);
α-glucosidase (EC 3.2.1.20);
β-glucosidase (EC 3.2.1.21);
α-galactosidase (EC 3.2.1.22);
Galacturonan α-1,4-galacturonidase (EC 3.2.1.67);
6-P-β-glucosidase (EC 3.2.1.86);
Mechanism Other a,e
3D Structure StatusRossmann fold
Catalytic Nucleophile/BaseNot applicable
Catalytic Proton DonorNot known
NoteThe enzymes in this family display an unusual mechanism involving NAD+.
External resourcesCAZypedia; PRINTS;
Statistics GenBank accession (27850); Uniprot accession (30); PDB accession (21); 3D entries (10); cryst (0)
| 1 | ... | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | ... | 275 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 α-galactosidase (fragment)   Azospirillum brasilense Sp245 ADQ38297.1    
 A6A40_14030   Azospirillum humicireducens SgZ-5 ANC92903.1    
 AZOLI_p50318 (MelA)   Azospirillum lipoferum 4B CBS91312.1    
 HUE56_23875   Azospirillum oryzae KACC 14407 QKS53538.1    
 DM194_24835   Azospirillum ramasamyi M2T2B2 AWU97534.1    
 AZL_e01400 (MelA)   Azospirillum sp. B510 BAI76485.1    
 TSH58p_00570   Azospirillum sp. TSH58 AWJ82076.1    
 DEW08_29265   Azospirillum thermophilum AWK90076.1    
 AL072_30105   Azospirillum thiophilum BV-S ALG75190.1    
 ACG10_20365   Azotobacter chroococcum B3 ASL28414.1    
 Achr_39760 (MelA)   Azotobacter chroococcum NCIMB 8003 AJE23362.1    
 AVAEIV_005098   Azotobacter vinelandii AEIV WKN21962.1    
 AvCA_51420 (MelA)   Azotobacter vinelandii CA AGK13702.1    
 AvCA6_51420 (MelA)   Azotobacter vinelandii CA6 AGK18264.1    
 V4941_14630   Azotobacter vinelandii DJ WVY39664.1    
 V4939_23245   Azotobacter vinelandii DJ WVY45863.1    
 SF175_04995   Azotobacter vinelandii DJ WVY37583.1    
 Avin_51420 (MelA)   Azotobacter vinelandii DJ ATCC BAA-1303 ACO81220.1    
 CX649_06150   Bacillaceae bacterium ZC4 AXI39257.1    
 RE735_15870   Bacillus aerius NEB1378 WMT28556.1    
 RE735_01765   Bacillus aerius NEB1378 WMT29318.1    
 BAE_16625   Bacillus aerophilus 232 QAR54353.1    
 BAE_11075   Bacillus aerophilus 232 QAR53307.1    
 BAE_06350   Bacillus aerophilus 232 QAR52456.1    
 L2D31_17930 (LicH)   Bacillus aerophilus KJ82 UJM27523.1    
 L2D31_09155   Bacillus aerophilus KJ82 UJM29426.1    
 L2D31_03510 (LicH)   Bacillus aerophilus KJ82 UJM28373.1    
 EJW27_01470 (CelF)   Bacillus albus PFYN01 AZQ45516.1    
 QRY64_28760 (CelF)   Bacillus albus SXL388 WJE70638.1    
 HRJ37_18955   Bacillus altitudinis 11-1-1 QKJ42168.1    
 HRJ37_03555   Bacillus altitudinis 11-1-1 QKJ39282.1    
 HRJ37_09595   Bacillus altitudinis 11-1-1 QKJ40412.1    
 I4W80_17980   Bacillus altitudinis 1817 QSI44350.1    
 I4W80_09020   Bacillus altitudinis 1817 QSI46225.1    
 I4W80_03545   Bacillus altitudinis 1817 QSI45196.1    
 NIZ93_17950 (LicH)   Bacillus altitudinis 1943r2a1 USY51088.1    
 NIZ93_03585 (LicH)   Bacillus altitudinis 1943r2a1 USY51945.1    
 NIZ93_09160   Bacillus altitudinis 1943r2a1 USY52986.1    
 Q6357_01600   Bacillus altitudinis 28M1-1 WLF30909.1    
 Q6357_06490   Bacillus altitudinis 28M1-1 WLF31788.1    
 Q6357_16120   Bacillus altitudinis 28M1-1 WLF29905.1    
 NMH04_03725   Bacillus altitudinis 47 UTX09605.1    
 NMH04_09660   Bacillus altitudinis 47 UTX10692.1    
 NMH04_18385 (LicH)   Bacillus altitudinis 47 UTX08718.1    
 JNE42_18150   Bacillus altitudinis 63-2-2 QRF83336.1    
 JNE42_03930   Bacillus altitudinis 63-2-2 QRF84255.1    
 JNE42_09410   Bacillus altitudinis 63-2-2 QRF85257.1    
 J9319_09365   Bacillus altitudinis 6ww6 QTV14293.1    
 J9319_18545 (LicH)   Bacillus altitudinis 6ww6 QTV12350.1    
 J9319_03475 (LicH)   Bacillus altitudinis 6ww6 QTV13191.1    
 LOS13_17665 (LicH)   Bacillus altitudinis ABT_AC37 WBL51317.1    
 LOS13_03175 (LicH)   Bacillus altitudinis ABT_AC37 WBL52172.1    
 LOS13_11920   Bacillus altitudinis ABT_AC37 WBL50241.1    
 NM966_18335 (LicH)   Bacillus altitudinis B12 UTV32699.1    
 NM966_03570 (LicH)   Bacillus altitudinis B12 UTV33553.1    
 NM966_09065   Bacillus altitudinis B12 UTV34576.1    
 RI02_18030   Bacillus altitudinis BA06 QKL23519.1    
 RI02_08920   Bacillus altitudinis BA06 QKL21784.1    
 RI02_03405   Bacillus altitudinis BA06 QKL20754.1    
 NP445_18195 (LicH)   Bacillus altitudinis BDGP7 UUH74104.1    
 NP445_03675 (LicH)   Bacillus altitudinis BDGP7 UUH74979.1    
 NP445_09110   Bacillus altitudinis BDGP7 UUH75977.1    
 INQ56_09285   Bacillus altitudinis BIM B-263 QOV51409.1    
 INQ56_18085   Bacillus altitudinis BIM B-263 QOV49498.1    
 INQ56_03555   Bacillus altitudinis BIM B-263 QOV50355.1    
 QNH40_09200   Bacillus altitudinis CES-OCA-19 WHX73373.1    
 QNH40_03590   Bacillus altitudinis CES-OCA-19 WHX72318.1    
 QNH40_18455   Bacillus altitudinis CES-OCA-19 WHX71462.1    
 EVS87_003275   Bacillus altitudinis CHB19 QEO61257.1    
 EVS87_009200   Bacillus altitudinis CHB19 QEO62375.1    
 EVS87_018300   Bacillus altitudinis CHB19 QEO64086.1    
 LIS79_18420 (LicH)   Bacillus altitudinis CMF5 USK24240.1    
 LIS79_03625 (LicH)   Bacillus altitudinis CMF5 USK25088.1    
 LIS79_09400   Bacillus altitudinis CMF5 USK26165.1    
 D0438_10740   Bacillus altitudinis Cr2-1 QDZ95390.1    
 D0438_15650   Bacillus altitudinis Cr2-1 QDZ96326.1    
 D0438_04945   Bacillus altitudinis Cr2-1 QDZ94299.1    
 QRD87_04050   Bacillus altitudinis D9_B_49 WJE31074.1    
 QRD87_18930   Bacillus altitudinis D9_B_49 WJE30096.1    
 QRD87_09500   Bacillus altitudinis D9_B_49 WJE32090.1    
 P5623_11325   Bacillus altitudinis DSM 103869 WEZ69819.1    
 P5623_16565   Bacillus altitudinis DSM 103869 WEZ70728.1    
 SA286_09155   Bacillus altitudinis ECC22 WRO27781.1    
 SA286_03525   Bacillus altitudinis ECC22 WRO26723.1    
 SA286_18360   Bacillus altitudinis ECC22 WRO25863.1    
 U2873_03580   Bacillus altitudinis F7 WQH39617.1    
 U2873_18450   Bacillus altitudinis F7 WQH38749.1    
 U2873_09445   Bacillus altitudinis F7 WQH40713.1    
 QNH34_03565   Bacillus altitudinis G6S2 WHY06144.1    
 QNH34_18350   Bacillus altitudinis G6S2 WHY05292.1    
 QNH34_09275   Bacillus altitudinis G6S2 WHY07193.1    
 BPGQ101_09625   Bacillus altitudinis GQYP101 QCU19112.1    
 BPGQ101_04000   Bacillus altitudinis GQYP101 QCU18063.1    
 BPGQ101_18815   Bacillus altitudinis GQYP101 QCU20837.1    
 MMZ59_17780 (LicH)   Bacillus altitudinis JYY-02 UNG01002.1    
 MMZ59_08990   Bacillus altitudinis JYY-02 UNG02869.1    
 MMZ59_03520 (LicH)   Bacillus altitudinis JYY-02 UNG01848.1    
 KIV12_12555   Bacillus altitudinis LZP 02 QXJ47020.1    
 KIV12_03820 (LicH)   Bacillus altitudinis LZP 02 QXJ48917.1    
 KIV12_18235   Bacillus altitudinis LZP 02 QXJ48058.1    
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