Glycoside Hydrolase Family 13 / Subf 21

Activities in Familyα-amylase (EC 3.2.1.1); pullulanase (EC 3.2.1.41); cyclomaltodextrin glucanotransferase (EC 2.4.1.19); cyclomaltodextrinase (EC 3.2.1.54); trehalose-6-phosphate hydrolase (EC 3.2.1.93); oligo-α-glucosidase (EC 3.2.1.10); maltogenic amylase (EC 3.2.1.133); neopullulanase (EC 3.2.1.135); α-glucosidase (EC 3.2.1.20); maltotetraose-forming α-amylase (EC 3.2.1.60); isoamylase (EC 3.2.1.68); glucodextranase (EC 3.2.1.70); maltohexaose-forming α-amylase (EC 3.2.1.98); maltotriose-forming α-amylase (EC 3.2.1.116); branching enzyme (EC 2.4.1.18); trehalose synthase (EC 5.4.99.16); 4-α-glucanotransferase (EC 2.4.1.25); maltopentaose-forming α-amylase (EC 3.2.1.-) ; amylosucrase (EC 2.4.1.4) ; sucrose phosphorylase (EC 2.4.1.7); malto-oligosyltrehalose trehalohydrolase (EC 3.2.1.141); isomaltulose synthase (EC 5.4.99.11); malto-oligosyltrehalose synthase (EC 5.4.99.15); amylo-α-1,6-glucosidase (EC 3.2.1.33); α-1,4-glucan: phosphate α-maltosyltransferase (EC 2.4.99.16); 6'-P-sucrose phosphorylase (EC 2.4.1.-); amino acid transporter
Activities in Sub Family
Mechanism Retaining
ClanGH-H
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 (1539); Uniprot accession (118); PDB accession (8); 3D entries (2); cryst (0)
All (1455) Bacteria (1455) Structure (2) Characterized (3)
Bacteria
Protein Name EC#OrganismGenBank UniprotPDB/3DSubf
 α-glucosidase Z (EO53_16270;MalZ;b0403) 3.2.1.20 Escherichia coli str. K-12 substr. MG1655 AIZ92452.1
AAA16112.1
AAB40159.1
AAC73506.1
AAC73506.2
ALI41788.1
AMC97641.1
CAA42498.1
CAY02912.1
CAZ78690.1
NP_414937.1
P21517 5BN7[A] 21
 maltodextrin glucosidase (MalZ) 3.2.1.20 Escherichia coli str. K-12 substr. W3110 BAE76183.1
APC50696.1
    21
 α-amylase I (TVA I) 3.2.1.1 Thermoactinomyces vulgaris R-47 BAA02471.1
CAY02971.1
CAZ78902.1
Q60053 1JI1[A,B]
1UH2[A]
1UH3[A]
1UH4[A]
2D0F[A]
2D0G[A]
2D0H[A]
21
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