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Biochim Biophys Acta. 1997 Feb 8;1337(2):311-8.

Hydrodynamic properties of nitrogenase--the MoFe protein from Azotobacter vinelandii studied by dynamic light scattering and hydrodynamic modelling.

Author information

1
Universität Bielefeld, Fakultät für Chemie, Germany.

Abstract

Experimental results for the nitrogenase MoFe protein from Azotobacter vinelandii obtained by dynamic light scattering (DLS) are presented. The translational diffusion coefficient was determined to D = (4.0 +/- 0.2) x 10(-7) cm2/s. Complementary, we have performed hydrodynamic model calculations based on the X-ray crystallographic data of the MoFe protein. The calculated transport coefficient suggests that the size and shape of the protein in solution is consistent with that in the crystal structure.

PMID:
9048909
DOI:
10.1016/s0167-4838(96)00179-3
[Indexed for MEDLINE]

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