AMWN - Yoshida,H.; Matsushima,N.; Kumaki,Y.; Nakata,M.; Hikichi,K. - NMR studies of model peptides of PHGGGWGQ repeats within the N-terminus of prion proteins: a loop conformation with histidine and tryptophan in close proximity. - Journal of Biochemistry 2000 Aug; 128(2): 271-81