細菌による藍の工業的還元に関する研究(第18報) : S-8号菌の生育因子について (その4)

概要

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The growth factor of the strain No. S-8 reported previously has been studied to determine the structure, the distribution in nature and whether on not it can be replaced by a substance having strepogenin activity.The results obtained are as follows.1) The factor consists of the equimolecular amounts of several amino acid.2) Based on the structure of low peptides obtained by partial acid hydrolysis of the factor, the substance is presumed to be a hepta peptide with the following amino acid sequence : Ala-Ileu-Leu-Val-Lys-Glu-Gly 3) All of these amino acids are determined to be of L-form by the D-amino acid oxidase test.4) A substance having strepogenin activity or the growth factor of Lac. sake can not be the substitute for the factor.5) The factor is found in the leaves and stems of Tinctria and in sweet-potato vines.
社団法人日本生物工学会の論文
1961-04-15