Leucine-Enkephalin (Human, Porcine, Bovine, Rat, Mouse)

J. Hughes, T.W. Smith, H.W. Kosterlitz, L.A. Fothergill, B.A. Morgan, and H.R. Morris, Nature, 258, 577 (1975). (Original; Porcine)

M. Comb, P.H. Seeburg, J. Adelman, L. Eiden, and E. Herbert, Nature, 295, 663 (1982). (cDNA Seq.; Human)

M. Noda, Y. Furutani, H. Takahashi, M. Toyosato, T. Hirose, S. Inayama, S. Nakanishi, and S. Numa, Nature, 295, 202 (1982). (cDNA Seq.; Bovine)

K. Yoshikawa, C. Williams, and S.L. Sabol, J. Biol. Chem., 259, 14301 (1984). (cDNA Seq.; Rat)