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The 3-D structure of Trunk a putative cystine-knot ligand and its interactions with the receptor Tor

Reference9708957
Principal Investigator / Supervisor Professor Sir Tom Blundell
Co-Investigators /
Co-Supervisors
Institution University of Cambridge
DepartmentBiochemistry
Funding typeResearch
Value (£) 108,080
StatusCompleted
TypeResearch Grant
Start date 01/10/1997
End date 01/10/1999
Duration24 months

Abstract

Our objective is to test the hypothesis that the cystine-knot fold occurs in Trunk, a recently defined ligand for the Tor receptor. The cystine-knot fold was first described in NGF and subsequently in other growth factors and glycoprotein hormones. It has recently been identified in coagulogen of the blood clotting pathway in Limulus and predicted for Spatzle, a factor involved in the development of the poles of the Drosophila embryo. Like NGF, coagulogen and Spatzle, Trunk is regulated by proteolysis, but evidence from the sequence pattern for a cystine knot is far more speculative. We aim to express, purify, crystallise and determine the three-dimensional structure by X-ray analysis of Trunk in order to test this hypothesis, and to carry out preliminary studies on its interactions with the Tor receptor.

Summary

unavailable
Committee Closed Committee - Biomolecular Sciences (BMS)
Research TopicsX – not assigned to a current Research Topic
Research PriorityX – Research Priority information not available
Research Initiative ROPA 1997 (ROPA1997) [1997]
Funding SchemeX – not Funded via a specific Funding Scheme
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