Tubular Polymers Derived from Helix pomatia beta-Hemocyanin
نویسندگان
چکیده
منابع مشابه
[Small-angle x-ray-scattering studies on the substructure of Helix pomatia hemocyanin].
Hemocyanin of the snail helix pomatia was studied by small angle X-ray scattering in 0.15 M phosphate buffer pH 6. The outer portion of the scattering curve showed minima, which indicated that the hemocyanin molecule is composed of a large number of identical (or very similar) nearly spherical subunits. From the position of the minima the radius of gyration R u of the subunit was calculated to ...
متن کاملThe Mucoproteins of the Snails, Helix Aspersa and Helix Pomatia
The problem of the structure of complex proteins containing carbohydrates in their molecule is still a subject of discussion. The fundamental questions which have been debated during the last decades and which have been the subject of many controversies are concerned with the nature of the carbohydrate group present in the molecule of these substances. Since the discovery of mucoproteins or muc...
متن کاملSmall-angle X-ray scattering studies of 1-10-size and 1-20-size molecules of Helix pomatia alpha-hemocyanin.
The small-angle X-ray scattering of 1/10-size molecules (in 0.1 ionic strength Tris buffer pH 8.1) and 1/20-size molecules (in 0.1 ionic strength ethanolamine buffer pH 10.6) of a-hemocyanin of the snail Helix pomatia was studied. The radii of gyration, 8.7 nm and 8.0 nm for 1/10-size and 1/20-size molecules respectively, and the shape of the scattering curves indicate that both have a very ani...
متن کاملBiochemical and electronmicroscopic investigations on Helix pomatia collagen.
The skin of Helix pomatia was investigated by biochemical methods and electronmicroscope. Biochemical investigations showed that Helix pomatia collagen represents a methionine-lacking collagen resistant to CNBr-cleavage. Electron microscopic studies showed a cross striation pattern of 53--57 nm.
متن کاملThe hydrolysis of glucosaminides by an enzyme in Helix pomatia.
IT has long been known that the polysaccharide chitin when completely hydrolysed yields glucosamine and acetic acid; in recent years it has indeed been shown conclusively that the basic unit of the polysaccharide is N-acetylglucosamine. The evidence for the latter statement rests, firstly, on the discovery by Karrer & Hofmann [1929] ofan enzyme in Helixpomatiawhich is able to hydrolyse chitin t...
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ژورنال
عنوان ژورنال: European Journal of Biochemistry
سال: 1975
ISSN: 0014-2956,1432-1033
DOI: 10.1111/j.1432-1033.1975.tb20984.x