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ENZYME entry: EC 2.4.1.19

Accepted Name
Cyclomaltodextrin glucanotransferase.
Alternative Name(s)
Bacillus macerans amylase.
Cyclodextrin glucanotransferase.
Cyclodextrin glycosyltransferase.
Reaction catalysed
Cyclizes part of a (1->4)-alpha-D-glucan chain by formation of a (1->4)-alpha-D-glucosidic bond
Comment(s)
  • Cyclomaltodextrins (Schardinger dextrins) of various sizes (6, 7, 8, etc. glucose units) are formed reversibly from starch and similar substrates.
  • Also disproportionates linear maltodextrins without cyclizing (cf. EC 2.4.1.25).
Cross-references
PROSITEPDOC51166
BRENDA2.4.1.19
EC2PDB2.4.1.19
ExplorEnz2.4.1.19
PRIAM enzyme-specific profiles2.4.1.19
KEGG Ligand Database for Enzyme Nomenclature2.4.1.19
IUBMB Enzyme Nomenclature2.4.1.19
IntEnz2.4.1.19
MEDLINEFind literature relating to 2.4.1.19
MetaCyc2.4.1.19
Rhea expert-curated reactions2.4.1.19
UniProtKB/Swiss-Prot
P30920, CDGT1_BACCI;  P04830, CDGT1_PAEMA;  P43379, CDGT2_BACCI;  
P31835, CDGT2_PAEMA;  P30921, CDGT_BAC11;  P14014, CDGT_BACLI;  
P27036, CDGT_BACOH;  P05618, CDGT_BACS0;  P31746, CDGT_BACS2;  
P09121, CDGT_BACS3;  P17692, CDGT_BACS8;  P31747, CDGT_BACSS;  
O30565, CDGT_BREBE;  P31797, CDGT_GEOSE;  P08704, CDGT_KLEOX;  
P26827, CDGT_THETU;  

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