Glycoside Hydrolase Family 13

Activities in Familyα-amylase (EC; pullulanase (EC; cyclomaltodextrin glucanotransferase (EC; cyclomaltodextrinase (EC; trehalose-6-phosphate hydrolase (EC; oligo-α-glucosidase (EC; maltogenic amylase (EC; neopullulanase (EC; α-glucosidase (EC; maltotetraose-forming α-amylase (EC; isoamylase (EC; glucodextranase (EC; maltohexaose-forming α-amylase (EC; maltotriose-forming α-amylase (EC; branching enzyme (EC; trehalose synthase (EC; 4-α-glucanotransferase (EC; maltopentaose-forming α-amylase (EC 3.2.1.-) ; amylosucrase (EC ; sucrose phosphorylase (EC; malto-oligosyltrehalose trehalohydrolase (EC; isomaltulose synthase (EC; malto-oligosyltrehalose synthase (EC; amylo-α-1,6-glucosidase (EC; α-1,4-glucan: phosphate α-maltosyltransferase (EC; 6'-P-sucrose phosphorylase (EC 2.4.1.-); amino acid transporter
Mechanism Retaining
3D Structure Status( β / α ) 8
Catalytic Nucleophile/BaseAsp (experimental)
Catalytic Proton DonorGlu (experimental)
NoteNew: many members have been assigned to subfamilies as described by Stam et al. (2006) Protein Eng Des Sel. 19, 555-562 (PMID: 17085431)
External resourcesCAZypedia; EBI Protein of the Month; HOMSTRAD; PDB Molecule of the Month; PRINTS;
Commercial Enzyme Provider(s)MEGAZYME; PROZOMIX;
Statistics GenBank accession (54252); Uniprot accession (7858); PDB accession (465); 3D entries (110); cryst (2)
All (49476) Archaea (367) Bacteria (45982) Eukaryota (2997) unclassified (130) Structure (110 - 2 cryst) Characterized (812)
| 1 | 2 | 3 | 4 |
Protein Name EC#OrganismGenBank UniprotPDB/3D Subf
 A3L08_02825   Thermococcus pacificus P-4 ASJ06341.1     20
 TES1_1436   Thermococcus paralvinellae ES1 AHF80814.1     2
 TES1_1658   Thermococcus paralvinellae ES1 AHF81034.1     20
 A0127_05805   Thermococcus peptonophilus OG-1 AMQ18717.1     7
 A0127_04445   Thermococcus peptonophilus OG-1 AMQ18471.1     2
 A0127_00260   Thermococcus peptonophilus OG-1 AMQ17709.1     20
 A7C91_03825 (fragment)   Thermococcus piezophilus CDGS ANF22396.1     7
 A3L09_02000   Thermococcus profundus DT 5432 ASJ02127.1     2
 A3L09_07315   Thermococcus profundus DT 5432 ASJ03075.1     20
 A3L09_01615   Thermococcus profundus DT 5432 ASJ02053.1     7
 A3L10_09460   Thermococcus radiotolerans EJ2 ASJ15344.1     20
 A3L10_07420   Thermococcus radiotolerans EJ2 ASJ14969.1     2
 A3L11_07945   Thermococcus siculi RG-20 ASJ09163.1     20
 A3L11_03375   Thermococcus siculi RG-20 ASJ08321.1     20
 A3L11_02635   Thermococcus siculi RG-20 ASJ08179.1     7
 A3L11_01395   Thermococcus siculi RG-20 ASJ07951.1     2
 ADU37_CDS00170   Thermococcus sp. 2319x1 ALV61716.1    
 ADU37_CDS21030   Thermococcus sp. 2319x1 ALV63800.1     7
 ADU37_CDS18980   Thermococcus sp. 2319x1 ALV63597.1     20
 ADU37_CDS20530   Thermococcus sp. 2319x1 ALV63752.1     20
 GQS_07090   Thermococcus sp. 4557 AEK73316.1     7
 GQS_08270   Thermococcus sp. 4557 AEK73548.1     2
 GQS_06205 (fragment)   Thermococcus sp. 4557 AEK73139.1     20
 CDI07_07550   Thermococcus sp. 5-4 ASA78160.1     2
 CDI07_03875   Thermococcus sp. 5-4 ASA77467.1     20
 CDI07_09920   Thermococcus sp. 5-4 ASA78605.1     20
 α-amylase (BD5031) Thermococcus sp. AEPII 1a AAM48113.1
Q8NKR4   7
 TAM4_475   Thermococcus sp. AM4 EEB74530.1     20
 TAM4_1203   Thermococcus sp. AM4 EEB73455.2     7
 TAM4_1607   Thermococcus sp. AM4 EEB74240.2     20
 α-cyclodextrin glucanotransferase (CgtA) Thermococcus sp. B1001 BAA88217.1
Q9UWN2   2
 cyclomaltodextrinase (CdnA)
Thermococcus sp. B1001 BAB18100.1
Q9HHC8   20
 α-amylase (BD5064) Thermococcus sp. GU5L5 AAM48112.1
Q8NKR5   7
 α-amylase (THJA) Thermococcus sp. HJ21 ABU98335.1 B4X9V8   7
 A3L12_00010   Thermococcus sp. P6 ASJ09798.1     7
 A3L12_05090   Thermococcus sp. P6 ASJ10715.1     20
 α-amylase Thermococcus sp. Rt3 AAB87860.1
O50200   7
 α-amylase (Amy) Thermococcus thioreducens AAT11125.1 Q66SB4   7
 A3L14_00190   Thermococcus thioreducens OGL-20P ASJ11397.1     7
 A3L14_00955   Thermococcus thioreducens OGL-20P ASJ11544.1     20
 A3L14_10420   Thermococcus thioreducens OGL-20P ASJ13269.1     2
 A3L14_05815   Thermococcus thioreducens OGL-20P ASJ12437.1     20
 N186_08320   Thermofilum adornatus 1910b AGT36002.1     20
 Tpen_1454   Thermofilum pendens Hrk 5 ABL78851.1 A1S071   2
 maltogenic α-amylase / cyclomaltodextrinase (TfMA;Tpen_1458)
Thermofilum pendens Hrk 5 ABL78855.1 A1S075   20
 MA03_06280   Thermofilum uzonense 1807-2 AKG38933.1     20
 TCELL_0558   Thermogladius calderae 1633 AFK50983.1     20
 TCELL_1285   Thermogladius calderae 1633 AFK51708.1     20
 Ta0138   Thermoplasma acidophilum DSM 1728 CAC11285.1
Q9HLT7   20
 maltogenic α-amylase (TpMA;TVG0226058) Thermoplasma volcanium GSS1 BAB59359.1
Q97C86   20
 TTX_1744   Thermoproteus tenax Kra 1 CCC82365.1    
 TUZN_1763   Thermoproteus uzoniensis 768-20 AEA13224.1    
 Tagg_0445   Thermosphaera aggregans DSM 11486 ADG90720.1 D5U0S0   20
 Tagg_0897   Thermosphaera aggregans DSM 11486 ADG91169.1 D5U219   20
 IX51_06195   uncultured archaeon AKA48760.1     3
 IX51_06180   uncultured archaeon AKA48757.1     11
 IX51_06190   uncultured archaeon AKA48759.1     16
 IX51_06165   uncultured archaeon AKA48754.1     26
 IX51_06175   uncultured archaeon AKA48756.1     10
 BSM_26470 (fragment)   uncultured archaeon CBH39169.1 D1JAN9  
 Amy (fragment)   uncultured archaeon CCF72376.1    
 ORF (fragment)   uncultured haloarchaeon ABQ76050.1 A5YSU3  
 ORF   uncultured marine group II/III euryarchaeote KM3_175_H12 AIF04699.1    
 ORF   uncultured marine group II/III euryarchaeote KM3_18_A05 AIF05953.1    
 ORF   uncultured marine thaumarchaeote AD1000_100_C06 AIE90996.1     2
 Vdis_2000   Vulcanisaeta distributa DSM 14429 ADN51372.1 E1QP07  
 VMUT_0412   Vulcanisaeta moutnovskia 768-28 ADY00624.1    

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