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
Clan	GH-H
3D Structure Status	( β / α ) ₈ barrel
Catalytic Nucleophile/Base	Asp (experimental)
Catalytic Proton Donor	Glu (experimental)
Note	New: many members have been assigned to subfamilies as described by Stam et al. (2006) Protein Eng Des Sel. 19, 555-562 (PMID: 17085431)
External resources	CAZypedia; EBI Protein of the Month; HOMSTRAD; PDB Molecule of the Month; PRINTS;
Commercial Enzyme Provider(s)	MEGAZYME; PROZOMIX;
Statistics	GenBank accession (899); Uniprot accession (11); PDB accession (4); 3D entries (2); cryst (0)


Bacteria
Protein Name	EC#	Reference	Organism	GenBank	Uniprot	PDB/3D	Subf
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
Top