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 (28198); Uniprot accession (30); PDB accession (21); 3D entries (10); cryst (0)
| 1 | ... | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | ... | 278 |
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3D
 E4311_02525 (MelA)   Escherichia coli 382634_2f QCD72436.1    
 CRT34_09885   Escherichia coli 4/0 AZH59671.1    
 CRT34_24665   Escherichia coli 4/0 AZH62329.1    
 CRT35_24500   Escherichia coli 4/1-1 AZH57041.1    
 CRT35_09930   Escherichia coli 4/1-1 AZH54413.1    
 CRT37_09210   Escherichia coli 4/2-1 AZH44181.1    
 CRT37_22655   Escherichia coli 4/2-1 AZH46565.1    
 CRT43_24810   Escherichia coli 4/4 AZH41713.1    
 CRT43_09910   Escherichia coli 4/4 AZH39026.1    
 FNJ69_19805 (MelA)   Escherichia coli 405 QDN32234.1    
 FNJ69_06785   Escherichia coli 405 QDN29901.1    
 FNJ69_17490   Escherichia coli 405 QDN31831.1    
 BFL23_12975   Escherichia coli 472 API20931.1    
 BFL23_28405   Escherichia coli 472 API23677.1    
 BFL23_25760   Escherichia coli 472 API23212.1    
 ECs2440   Escherichia coli 493/89 ACI82661.1    
 ECs5101   Escherichia coli 493/89 ACI73666.1    
 EGM66_26605   Escherichia coli 50579417 AZA04039.1    
 EGM66_14425   Escherichia coli 50579417 AZA01872.1    
 EGM66_12100   Escherichia coli 50579417 AZA01468.1    
 DNQ41_13010   Escherichia coli 51008369SK1 AWV11140.1    
 DNQ41_02185   Escherichia coli 51008369SK1 AWV09233.1    
 HB638_12785 (CelF)   Escherichia coli 52148 QIR61155.1    
 HB638_23240 (MelA)   Escherichia coli 52148 QIR63008.1    
 GZS09_10210   Escherichia coli 53 QHW78558.1    
 GZS09_21160 (MelA)   Escherichia coli 53 QHW80538.1    
 ECP_1680   Escherichia coli 536 ABG69683.1    
 ECP_4362   Escherichia coli 536 ABG72306.1    
 FK536_10435   Escherichia coli 54 QIZ55221.1    
 FK536_20480 (MelA)   Escherichia coli 54 QIZ57016.1    
 HWQ66_03395 (MelA)   Escherichia coli 550 QLC53228.1    
 HWQ66_05585   Escherichia coli 550 QLC53616.1    
 HWQ66_15635 (CelF)   Escherichia coli 550 QLC55460.1    
 EC55989_4610 (MelA)   Escherichia coli 55989 CAV01450.1    
 EC55989_1902 (ChbF)   Escherichia coli 55989 CAU97761.1    
 CA593_05245   Escherichia coli 5CRE51 ARR32563.1    
 CA593_19275   Escherichia coli 5CRE51 ARR35073.1    
 GZS14_20690 (MelA)   Escherichia coli 61 QHW60976.1    
 GZS14_12320   Escherichia coli 61 QHW59488.1    
 EST51_00105   Escherichia coli 631 QES63899.1    
 EST51_23155 (MelA)   Escherichia coli 631 QES68059.1    
 EST51_11845   Escherichia coli 631 QES66011.1    
 GZS15_12325   Escherichia coli 64 QHW50203.1    
 GZS15_20695 (MelA)   Escherichia coli 64 QHW51695.1    
 RR31_09220   Escherichia coli 6409 AJB51852.1    
 RR31_21840   Escherichia coli 6409 AJB54158.1    
 RR31_19300 (fragment)   Escherichia coli 6409 AJB53707.1    
 CLD27_10315   Escherichia coli 646 ASZ41728.1    
 CLD27_23305   Escherichia coli 646 ASZ44082.1    
 CYU58_13850   Escherichia coli 675SK2 AVR73403.1    
 CYU58_02035   Escherichia coli 675SK2 AVR75399.1    
 FNJ83_25475 (MelA)   Escherichia coli 69 QDM73190.1    
 FNJ83_23240   Escherichia coli 69 QDM72796.1    
 FNJ83_11670   Escherichia coli 69 QDM70682.1    
 CRT46_10375   Escherichia coli 7/2 AZH33948.1    
 CRT46_21555   Escherichia coli 7/2 AZH35976.1    
 CRT46_24030   Escherichia coli 7/2 AZH36408.1    
 FNJ76_20195   Escherichia coli 73 QDM96723.1    
 FNJ76_05995 (MelA)   Escherichia coli 73 QDM94191.1    
 CNQ56_23395   Escherichia coli 746 ATB75149.1    
 CNQ56_11925   Escherichia coli 746 ATB73102.1    
 CNQ56_00310   Escherichia coli 746 ATB71033.1    
 BFL18_24820   Escherichia coli 7784 API28707.1    
 BFL18_12275   Escherichia coli 7784 API26467.1    
 BFL18_27445   Escherichia coli 7784 API29167.1    
 AC789_1c45320 (MelA)   Escherichia coli 789 AJE58686.1    
 AC789_1c40650 (fragment)   Escherichia coli 789 AJE58252.1    
 AC789_1c19150 (CelF)   Escherichia coli 789 AJE56165.1    
 AC789_1c40660 (fragment)   Escherichia coli 789 AJE58253.1    
 HFC67_24820 (MelA)   Escherichia coli 8-3-DC15 QIV72546.1    
 HFC67_08880 (CelF)   Escherichia coli 8-3-DC15 QIV69973.1    
 HFC66_15670 (MelA)   Escherichia coli 8-3-Ti3 QIV75616.1    
 HFC66_24700 (CelF)   Escherichia coli 8-3-Ti3 QIV77083.1    
 DNNLJILF_00022 (MelA)   Escherichia coli 81009 ART41438.1    
 DNNLJILF_02782 (ChbF)   Escherichia coli 81009 ART44022.1    
 ECs2440   Escherichia coli 86-24 ACI82662.1    
 ECs2440   Escherichia coli 87-14 ACI82663.1    
 BS635_21650   Escherichia coli 9 ARV32244.1    
 BS635_10375   Escherichia coli 9 ARV30217.1    
 GZS17_12665   Escherichia coli 9 QHW40759.1    
 GZS17_25565 (MelA)   Escherichia coli 9 QHW43288.1    
 BFL16_12780   Escherichia coli 9000 API32032.1    
 BFL16_25860   Escherichia coli 9000 API34377.1    
 BFL16_28500   Escherichia coli 9000 API34843.1    
 HW43_02280   Escherichia coli 94-3024 AIZ85311.1    
 HW43_12495   Escherichia coli 94-3024 AIZ87244.1    
 HW43_23330 (fragment)   Escherichia coli 94-3024 AIZ89293.1    
 GUJ28_00760   Escherichia coli 94EC QHI51198.1    
 GUJ28_11325 (MelA)   Escherichia coli 94EC QHI53124.1    
 EC95JB1_00644 (ChbF)   Escherichia coli 95JB1 ART16745.1    
 EC95JB1_03720 (MelA)   Escherichia coli 95JB1 ART19600.1    
 EC95NR1_00643 (ChbF)   Escherichia coli 95NR1 ART24538.1    
 EC95NR1_03722 (MelA)   Escherichia coli 95NR1 ART27381.1    
 FNJ79_18285 (MelA)   Escherichia coli 963 QDM86666.1    
 FNJ79_05060   Escherichia coli 963 QDM84286.1    
 FNJ79_15725   Escherichia coli 963 QDM86215.1    
 AOY71_08830   Escherichia coli A18 AYL86032.1    
 AOY71_21080   Escherichia coli A18 AYL88299.1    
 AOY71_18820 (fragment)   Escherichia coli A18 AYL87887.1    
 FE198_00105   Escherichia coli A1_136 QCV37301.1    
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