1jxg

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(New page: 200px<br /><applet load="1jxg" size="450" color="white" frame="true" align="right" spinBox="true" caption="1jxg, resolution 1.6&Aring;" /> '''The 1.6 A Resolution ...)
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Revision as of 16:32, 20 November 2007

Image:1jxg.gif

1jxg, resolution 1.6Å

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The 1.6 A Resolution Crystal Structure of a Mutant Poplar Plastocyanin Bearing a 21-25 Engeneered Disulfide Bridge

Overview

Plastocyanin is an electron-transfer protein which has been largely used, for biophysical studies as well as for protein-engineering experiments. A, surface disulfide bridge has been engineered in poplar plastocyanin to, allow protein chemisorption on gold substrates. The mutated plastocyanin, crystal structure has been studied at 1.6 A resolution (R factor = 0.145, R(free) = 0.205) to characterize the effects of the engineered disulfide, on the overall protein structure and on the Cu-coordination sphere in view, of biophysical applications. The new orthorhombic crystal form isolated, for the mutated plastocyanin displays two protein molecules per asymmetric, unit.

About this Structure

1JXG is a Single protein structure of sequence from Populus nigra with CU1 and SO4 as ligands. Full crystallographic information is available from OCA.

Reference

The 1.6 A resolution crystal structure of a mutant plastocyanin bearing a 21-25 engineered disulfide bridge., Milani M, Andolfi L, Cannistraro S, Verbeet MP, Bolognesi M, Acta Crystallogr D Biol Crystallogr. 2001 Nov;57(Pt 11):1735-8. Epub 2001, Oct 25. PMID:11679761

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