Glycoside Hydrolase Family 13 / Subf 45

Activities in Sub Family[retaining] α-amylase (EC 3.2.1.1);
[retaining] maltogenic α-amylase (EC 3.2.1.133);
Mechanism Retaining a
ClanGH-H
3D Structure Status( β / α ) 8 barrel
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 (923); Uniprot accession (11); PDB accession (4); 3D entries (2); cryst (0)
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3DSubf
 α-amylase (AmyB) 3.2.1.1   Anaerobranca gottschalkii AAW32490.1
CAZ78873.1
Q5I943   45
 maltogenic α-amylase (ADTA) 3.2.1.133 pubmed
Anoxybacillus sp. DT3-1 AFI49456.1 I1VWI0   45
 α-amylase (AGXA) 3.2.1.1 pubmed
Anoxybacillus sp. GXS-BL AEQ38578.1 G4Y5W9   45
 α-amylase (ASKA) 3.2.1.1 pubmed
Anoxybacillus sp. SK3-4 AFI49455.1 I1VWH9 5A2A[A]
5A2B[A]
5A2C[A]
45
 α-amylase (Amy-E) (partial) 3.2.1.1 pubmed
Exiguobacterium sp. Sh3 AIW80140.1 A0A0A0WA73   45
 α-amylase (AmyP) 3.2.1.1 URL
Geobacillus sp. POT5 ABL77406.1 A8QL62   45
 α-amylase (GTA;GTCCBUS3UF5_7870) 3.2.1.1   Geobacillus thermoleovorans CCB_US3_UF5 AEV18110.1 G8N704 4E2O[A] 45
 α-amylase II (Amy2; Gt-AmyII) 3.2.1.1
3.2.1.133
  Geobacillus thermoleovorans NP54 AFK08971.1 I3QII4   45
 α-amylase (AmyA) (raw-starch digesting) 3.2.1.1
3.2.1.133
  Geobacillus thermoleovorans subsp. stromboliensis Pizzo ADG45817.1 D6R179   45
 exo-acting α-amylase (BmaN1) 3.2.1.133 pubmed
Priestia megaterium NL3 AGT45938.1 T1SIF2   45
 α-amylase (BaqA) 3.2.1.1   Rossellomorea aquimaris MKSC 6.2 AER68125.1 G8IJA7   45
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