Glycoside Hydrolase Family 13 / Subf 12

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
Activities in Sub Family
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 (342); Uniprot accession (51); PDB accession (5); 3D entries (2); cryst (0)
| 1 | 2 | 3 | 4 |
Protein Name EC#Organism GenBankUniprotPDB/3DSubf
 BBD27_1797 (fragment)   Streptococcus thermophilus ND07 AOZ59881.1     12
 AVT04_00040 (fragment)   Streptococcus thermophilus S9 ALX90366.1     12
 AVT04_00045 (fragment)   Streptococcus thermophilus S9 ALX90367.1     12
 SMQ301_1027 (fragment)   Streptococcus thermophilus SMQ-301 AKB97647.1     12
 SMQ301_1026 (fragment)   Streptococcus thermophilus SMQ-301 AKB97646.1     12
 SMQ301_1028 (fragment)   Streptococcus thermophilus SMQ-301 AKB97648.1     12
 BGL51_05230 (fragment)   Streptococcus thermophilus ST3 ASX19380.1     12
 BGL51_05225 (fragment)   Streptococcus thermophilus ST3 ASX19379.1     12
 BGL51_05215 (fragment)   Streptococcus thermophilus ST3 ASX19377.1     12
 BGL51_05220 (fragment)   Streptococcus thermophilus ST3 ASX19378.1     12
 amylopullulanase (Ss4;PulSS4)
uncultured bacterium AGL50935.1     12
 pullulanase (fragment)   uncultured bacterium AIE44109.1     12
 BKP57_16300   Virgibacillus sp. 6R API93235.1     12

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