Structural homology between the C-terminal domain of the PapC usher and its plug

DGSA-distance geometry simulated annealing

The CCPN NMR assignment and data analysis application

Schwieters, Kuszewski, Tjandra and Clore

Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax

Department of Biochemistry, Cambridge CB2 1GA, UK