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Comparative Study
. 1989 Feb;11(1):29-32.
doi: 10.1016/0141-8130(89)90036-6.

Structure of the globular protein vicilin revealed by scanning tunnelling microscopy

M E Welland  1 , M J Miles, N Lambert, V J Morris, J H Coombs, J B Pethica
Affiliations
Comparative Study

Structure of the globular protein vicilin revealed by scanning tunnelling microscopy

M E Welland et al. Int J Biol Macromol. 1989 Feb.

Abstract

Scanning tunnelling microscopy (s.t.m.) has been used to study the structure of the non-crystalline globular protein vicilin. Molecules were deposited on amorphous carbon substrates and imaged both in air and in vacuo without additional sample preparation. Current-voltage plots of an individual protein molecule are also reported. The s.t.m. images are compared with conventional transmission electron micrographs and with a model of vicilin based on small-angle synchrotron X-ray scattering data.

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