KEGG   ENZYME: 2.4.1.19Help
Entry
EC 2.4.1.19                 Enzyme                                 

Name
cyclomaltodextrin glucanotransferase;
Bacillus macerans amylase;
cyclodextrin glucanotransferase;
alpha-cyclodextrin glucanotransferase;
alpha-cyclodextrin glycosyltransferase;
beta-cyclodextrin glucanotransferase;
beta-cyclodextrin glycosyltransferase;
gamma-cyclodextrin glycosyltransferase;
cyclodextrin glycosyltransferase;
cyclomaltodextrin glucotransferase;
cyclomaltodextrin glycosyltransferase;
konchizaimu;
alpha-1,4-glucan 4-glycosyltransferase, cyclizing;
BMA;
CGTase;
neutral-cyclodextrin glycosyltransferase;
1,4-alpha-D-glucan 4-alpha-D-(1,4-alpha-D-glucano)-transferase (cyclizing)
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
Sysname
(1->4)-alpha-D-glucan:(1->4)-alpha-D-glucan 4-alpha-D-[(1->4)-alpha-D-glucano]-transferase (cyclizing)
Reaction(IUBMB)
Cyclizes part of a (1->4)-alpha-D-glucan chain by formation of a (1->4)-alpha-D-glucosidic bond
Comment
Cyclomaltodextrins (Schardinger dextrins) of various sizes (6,7,8, etc. glucose units) are formed reversibly from starch and similar substrates. Will also disproportionate linear maltodextrins without cyclizing (cf. EC 2.4.1.25, 4-alpha-glucanotransferase).
History
EC 2.4.1.19 created 1961
Orthology
K00701  
cyclomaltodextrin glucanotransferase
Genes
XCC: 
XCC2465(cgt)
XCB: 
XCV: 
XCV2797(cgt)
XAC: 
XAC2596(cgt)
CJA: 
CJA_3249(cgl13A)
SPY: 
SPy_1302(amyA)
SPH: 
SPI: 
TTE: 
TTE1832(AmyA2)
GVI: 
ANA: 
NPU: 
AVA: 
 » show all
Taxonomy
Reference
1  [PMID:5758537]
  Authors
DePinto JA, Campbell LL.
  Title
Purification and properties of the amylase of Bacillus macerans.
  Journal
Biochemistry. 7 (1968) 114-20.
  Organism
Bacillus macerans
Reference
2
  Authors
French, D., Levine, M.L., Norberg, E., Norden, P., Pazur, J.H. and Wild, G.M.
  Title
Studies on the Schardinger dextrins. VII. Co-substrate specificity in coupling reactions of Macerans amylase.
  Journal
J. Am. Chem. Soc. 76 (1954) 2387-2390.
Reference
3
  Authors
Hehre, E.J.
  Title
Enzymic synthesis of polysaccharides: a biological type of polymerization.
  Journal
Adv. Enzymol. Relat. Subj. Biochem. 11 (1951) 297-337.
Reference
4  [PMID:13031665]
  Authors
SCHWIMMER S.
  Title
Evidence for the purity of Schardinger dextrinogenase.
  Journal
Arch. Biochem. Biophys. 43 (1953) 108-17.
  Organism
Bacillus macerans
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
9030-09-5

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