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1H, 15N and 13C resonance assignment of the pair of Factor-I like modules of the complement protein C7
Authors:Marie M. Phelan  Chuong-Thu Thai  Andrew P. Herbert  Juraj Bella  Dušan Uhrín  Ronald T. Ogata  Paul N. Barlow  Janice Bramham
Affiliation:(1) Edinburgh Biomolecular NMR Unit, Joseph Black Building, University of Edinburgh, West Mains Road, Edinburgh, EH9 3JJ, Scotland, UK;(2) Torrey Pines Institute for Molecular Studies, 3550 General Atomics Court, San Diego, USA
Abstract:
The carboxy terminus of human complement component C7 comprises two Factor I-like Modules (FIMs) which are essential for formation of the Membrane Attack Complex, the terminal pathway of the innate immune system. C7-FIMs is a 16.9 kDa, recombinant, disulphide-rich, protein encompassing this C-terminal domain. Using conventional triple resonance experiments 93% of the 1H, 15N and 13C assignment has been achieved, accounting for all assignment apart from a flexible N-terminus cloning artefact and an undefined loop. The chemical shifts have been deposited in the BioMagResBank; Accession No. 15996.
Keywords:Complement  Membrane attack complex  MAC  C7  Factor I module  FIM  NMR  Resonance assignment
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