1shk
From Proteopedia
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Revision as of 13:59, 30 October 2007
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THE THREE-DIMENSIONAL STRUCTURE OF SHIKIMATE KINASE FROM ERWINIA CHRYSANTHEMI
Overview
Shikimate kinase from Erwinia chrysanthemi, overexpressed in Escherichia, coli has been crystallized by the vapour-diffusion method using sodium, chloride as a precipitant. Mass spectrometry was used to confirm the, purity of the shikimate kinase and dynamic light scattering was used to, assess conditions for the monodispersity of the enzyme. The crystals are, tetragonal, space group P4(1)2(1)2 or enantiomorph with cell dimensions a, = b = 108.5 and c = 92.8 A (at 100 K). Native crystals diffract to better, than 2.6 A on a synchrotron X-ray source. The asymmetric unit is likely to, contain two molecules, corresponding to a packing density of 3.6 A(3), Da(-1).
About this Structure
1SHK is a [Single protein] structure of sequence from [Erwinia chrysanthemi] with MG as [ligand]. Active as [Shikimate kinase], with EC number [2.7.1.71]. Structure known Active Sites: PIP, POP, SAS and SBS. Full crystallographic information is available from [OCA].
Reference
Crystallization and preliminary X-ray crystallographic analysis of shikimate kinase from Erwinia chrysanthemi., Krell T, Coyle JE, Horsburgh MJ, Coggins JR, Lapthorn AJ, Acta Crystallogr D Biol Crystallogr. 1997 Sep 1;53(Pt 5):612-4. PMID:15299895
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