Glycogen synthesis by amylosucrase from Neisseria perflava | Zendy

Colin R. MacKenzie | Zendy; K. G. Johnson | Zendy; I. McDonald | Zendy

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Glycogen synthesis by amylosucrase from Neisseria perflava

Author(s) -

Colin R. MacKenzie,

K. G. Johnson,

I. McDonald

Publication year - 1977

Publication title -

canadian journal of microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.635

H-Index - 94

eISSN - 1480-3275

pISSN - 0008-4166

DOI - 10.1139/m77-196

Subject(s) - glycogen , biochemistry , chemistry , neisseriaceae , glycogen synthase , biology , microbiology and biotechnology , antibiotics

Amylosucrase (sucrose:1,4-alpha-D-glucan 4-alpha-glucosyltransferase; EC 2.4.1.4) which mediates the transfer of the glucosyl moiety of sucrose to a growing alpha-1,4-glucan chain is a constitutive enzyme of Neisseria perflava. The products of enzymic action are insoluble glycogenlike polysaccharides and fructose, the latter being a competitive inhibitor of the enzyme (Ki=20 mM). The enzyme is extremely stable and appears to bind very tightly to its polymerized product. Properties of product-bound enzyme reflect those of the native complex.

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