@article{oai:nitech.repo.nii.ac.jp:00005136,
 author = {Kawai, Masao and Tanaka, Ryoji and Yamamura, Hatsuo and Yasuda, Keiko and Narita, Shizuto and Umemoto, Hiroshi and Ando, Setsuko and Katsu, Takashi},
 issue = {11},
 journal = {Chemical communications : chem comm},
 month = {Apr},
 note = {Novel (2S,4R)- and (2S,4S)-4-aminoproline residue-containing analogs of the cyclic decapeptide antibiotic gramicidin S were synthesized, which exhibited marked permeabilizing activity on the outer membrane of gram-negative bacteria., application/pdf},
 pages = {1264--1265},
 title = {Extra amino group-containing gramicidin S analogs possessing outer membrane-permeabilizing activity},
 volume = {9},
 year = {2003}
}