View source for Biology:(1-4)-a-D-glucan 1-a-D-glucosylmutase

{{Short description|Class of enzymes}}
{{Infobox enzyme
| Name       = (1→4)-α-<small>D</small>-Glucan 1-α-<small>D</small>-glucosylmutase
| EC_number  = 5.4.99.15
| CAS_number = 170780-49-1
| GO_code    =
| image      = 
| width      = 
| caption    =  
}}
'''(1→4)-α-<small>D</small>-Glucan 1-α-<small>D</small>-glucosylmutase''' ({{EnzExplorer|5.4.99.15}}, ''malto-oligosyltrehalose synthase'', ''maltodextrin alpha-D-glucosyltransferase'') is an [[Biology:Enzyme|enzyme]] with [[Biology:List of enzymes|systematic name]] ''(1->4)-alpha-D-glucan 1-alpha-D-glucosylmutase''.<ref>{{cite journal | vauthors = Maruta K, Nakada T, Kubota M, Chaen H, Sugimoto T, Kurimoto M, Tsujisaka Y | title = Formation of trehalose from maltooligosaccharides by a novel enzymatic system | journal = Bioscience, Biotechnology, and Biochemistry | volume = 59 | issue = 10 | pages = 1829–34 | date = October 1995 | pmid = 8534970 | doi = 10.1271/bbb.59.1829 }}</ref><ref>{{cite journal | vauthors = Nakada T, Maruta K, Tsusaki K, Kubota M, Chaen H, Sugimoto T, Kurimoto M, Tsujisaka Y | title = Purification and properties of a novel enzyme, maltooligosyl trehalose synthase, from Arthrobacter sp. Q36 | journal = Bioscience, Biotechnology, and Biochemistry | volume = 59 | issue = 12 | pages = 2210–4 | date = December 1995 | pmid = 8611744 | doi = 10.1271/bbb.59.2210 }}</ref><ref>{{cite journal | vauthors = Nakada T, Ikegami S, Chaen H, Kubota M, Fukuda S, Sugimoto T, Kurimoto M, Tsujisaka Y | title = Purification and characterization of thermostable maltooligosyl trehalose synthase from the thermoacidophilic archaebacterium Sulfolobus acidocaldarius | journal = Bioscience, Biotechnology, and Biochemistry | volume = 60 | issue = 2 | pages = 263–6 | date = February 1996 | pmid = 9063973 | doi = 10.1271/bbb.60.263 | doi-access = free }}</ref> This enzyme [[Chemistry:Catalysis|catalyses]] the following [[Chemistry:Chemical reaction|chemical reaction]]

: 4-[(1->4)-alpha-D-glucosyl]n-1-D-glucose <math>\rightleftharpoons</math> 1-alpha-D-[(1->4)-alpha-D-glucosyl]n-1-alpha-D-glucopyranoside

The enzyme from Arthrobacter sp., Sulfolobus acidocaldarius acts on (1->4)-alpha-D-glucans containing three or more (1->4)-alpha-linked D-glucose units.

== References ==
{{reflist}}

== External links ==
* {{MeshName|(1->4)-alpha-D-glucan+1-alpha-D-glucosylmutase}}

{{Mutases}}
{{Enzymes}}

[[Category:EC 5.4.99]]

{{Sourceattribution|(1-4)-a-D-glucan 1-a-D-glucosylmutase}}