The dimer interface of the SARS coronavirus nucleocapsid protein adapts a porcine respiratory and reproductive syndrome virus‐like structure
Open Access
- 30 September 2005
- journal article
- research article
- Published by Wiley in FEBS Letters
- Vol. 579 (25), 5663-5668
- https://doi.org/10.1016/j.febslet.2005.09.038
Abstract
We have employed NMR to investigate the structure of SARS coronavirus nucleocapsid protein dimer. We found that the secondary structure of the dimerization domain consists of five α helices and a β‐hairpin. The dimer interface consists of a continuous four‐stranded β‐sheet superposed by two long α helices, reminiscent of that found in the nucleocapsid protein of porcine respiratory and reproductive syndrome virus. Extensive hydrogen bond formation between the two hairpins and hydrophobic interactions between the β‐sheet and the α helices render the interface highly stable. Sequence alignment suggests that other coronavirus may share the same structural topology.This publication has 27 references indexed in Scilit:
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