Atomic Force Microscopy Investigation of Ribonuclease A

Author: Silva LP1

Source: Protein and Peptide Letters, Volume 8, Number 5, October 2001 , pp. 343-347(5)

Publisher: Bentham Science Publishers

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Abstract:

Ribonuclease A (RNase A) molecules have been adsorbed onto mica surfaces from aqueous solution at pH 7.4. Atomic force microscopy (AFM) images of native RNase A show aggregates of monomers each having a diameter of 9 nm. This is consistent with a globular unit the size of which would be substantially larger than that expected for a 13-kDa protein. These experiment suggest that the RNase A oligomer subunits exist as a multimeric complex with the 13-kDa protein.

Keywords: ATOMIC FORCE MICROSCOPY; RIBONUCLEASE A; Rnase

Document Type: Review article

DOI: 10.2174/0929866013409292

Affiliations: 1: Departamento de Genetica e Morfologia, UnB, Brasilia, DF, Brazil.

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