Glycoside Hydrolase Family 13 / Subf 21

Activities in Sub Family[retaining] α-amylase (EC 3.2.1.1);
α-glucosidase (EC 3.2.1.20);
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 (5339); Uniprot accession (2); PDB accession (13); 3D entries (2); cryst (0)
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3DSubf
 α-glucosidase Z (EO53_16270;MalZ;b0403) 3.2.1.20 pubmed
Escherichia coli str. K-12 substr. MG1655 AIZ92452.1
AAA16112.1
AAB40159.1
AAC73506.1
AAC73506.2
ALI41788.1
AMC97641.1
AUG15189.1
AVI54934.1
AYG20468.1
CAA42498.1
CAY02912.1
CAZ78690.1
NP_414937.1
P21517 5BN7[A]
7VT9[A,B]
21
 maltodextrin glucosidase (MalZ) 3.2.1.20 pubmed
Escherichia coli str. K-12 substr. W3110 BAE76183.1
APC50696.1
P21517   21
 α-amylase I (TVA I) 3.2.1.1   Thermoactinomyces vulgaris R-47 BAA02471.1
CAY02971.1
CAZ78902.1
Q60053 1IZJ[A]
1IZK[A]
1JI1[A,B]
1UH2[A]
1UH3[A]
1UH4[A]
2D0F[A]
2D0G[A]
2D0H[A]
5Z0T[A,B]
5Z0U[A]
21
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