NMR structure of P41icf, a potent inhibitor of human cathepsin L - Chiva, C.; Barthe, P.; Codina, A.; Gairi, M.; Molina, F.; Granier, C.; Pugniere, M.; Inui, T.; Nishio, H.; Nishiuchi, Y.; Kimura, T.; Sakakibara, S.; et al. (Biological Magnetic Resonance Bank, 2003)