OUTER MEMBRANE PROTEIN PAPC USHER

$11,223P41FY2010RRNIH

Brookhaven Science Assoc-Brookhaven Lab, Upton NY

Investigators

Linked publications & trials

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Abstract

This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. Uropathogenic E. Coli establish colonies in human urinary tract via its numerous pili on its surface. It is of significant biological and medical importance to study how the pili are formed. At the core of pilus biogenesis is the outer membrane protein usher PapC that not only transport the pilus subunit (pilin) out of the cell, but also serve as the platform for helical pilus assembly. We have previously determined a projection structure of the PapC usher by electron crystallography and 2D crystals. We are now pursuing x-ray crystallographic study. 3D crystals have been formed that we know are protein crystals. But we don't know how good the PapC crystals diffract. Thus the crystal info is unkown.

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