STUDIES ON A NEW IMMUNOACTIVE PEPTIDE, FK-156 III. STRUCTURE ELUCIDATION

YOSHIO KAWAI; KUNIO NAKAHARA; TOSHIO GOTOH; ITSUO UCHIDA; HIROKAZU TANAKA; HIROSHI IMANAKA

doi:10.7164/antibiotics.35.1293

STUDIES ON A NEW IMMUNOACTIVE PEPTIDE, FK-156

III. STRUCTURE ELUCIDATION

YOSHIO KAWAI, KUNIO NAKAHARA, TOSHIO GOTOH, ITSUO UCHIDA, HIROKAZU TANAKA, HIROSHI IMANAKA

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JOURNAL FREE ACCESS

1982 Volume 35 Issue 10 Pages 1293-1299

DOI https://doi.org/10.7164/antibiotics.35.1293

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Abstract

FK-156, C₂₀H₃₃N₅O₁₁, mp 143-148°C (dec.) is a new immunostimulant produced by Streptomyces olivaceogriseus sp. nov. and S. violaceus. The structure has been elucidated to be D-Lac-L-Ala-γ-D-Glu-(L) meso-α, ε-A₂pm(L)-GlyOH on the basis of chemical and spectroscopic properties.

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