Under construction. Last update March 28 1995

FimCH: Type-1 pilus adhesin-chaperone pre-assembly complex

FimCH

The pre-assembly complex between the type 1 pilus chaperone FimC and the type 1 pilus adhesin FimH from E. coli has been purified to homogeneity (Jones et al., 1993) and crystallized from ammonium sulphate solutions using the hanging drop vapour diffusion method. The FimCH crystals grow as small lentil-shaped crystals and belong to the space group P41212 or P43212 with cell dimensions a = b = 98.4 A, c = 216.5 A, and diffract to a minimum Bragg spacing of 3.2 A. The crystals grow quite slowly and only appear after 4-6 months; most of the crystals are very small (< 0.04 mm in any direction) but occasionally larger crystals (0.2 mm x 0.1 mm x 0.1 mm) are formed.



Stefan Knight
Swedish University of Agricultural Sciences
Uppsala Biomedical Centre
Department of Molecular Biology
P.O. Box 590
S-751 24 Uppsala
Sweden

stefan@xray.bmc.uu.se

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