1981 Volume 45 Issue 11 Pages 2503-2508
The chemical nature of the Dragendorff-positive substance produced by Streptomyces albulus was investigated. The substance was found to be a homopolymerof L-lysine connected with 25 - 30 residues in an isopeptide linkage. The ε-poly-L-lysine is a unique natural substance not described before now.
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