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Protein & Peptide Letters

Author(s): Jose Roberto S.A. Leite, Luciano Paulino Silva, Clarice Cunha Taveira, Rozeni C.L. Teles, Sonia M. de Freitas and Ricardo Bentes Azevedo

DOI: 10.2174/0929866023408823

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Topographical Analysis of Schizolobium Parahyba Chymotrypsin Inhibitor (Spci) by Atomic Force Microscopy

Page: [179 - 184] Pages: 6

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Abstract

Atomic Force Microscopy (AFM) has been a useful tool for molecular surface analysis and to estimate topographical properties of proteins. Here we report a topographical study of a chymotrypsin inhibitor from Schizolobium parahyba seeds (SPCI) by AFM. The underlying structure of SPCI oligomers has been resolved in nanometer order resolution. SPCI oligomerize in hexagonal, ellipsoid, comet, pyramidal, and “Z“ shaped. The hexagonal was the most observed oligomer shape.

Keywords: spci, topography, oligomer shape, afm, kunitz inhibitor