Before revision: It suggested that acyclic secondary amino acids are more flexible than cyclic secondary amino acids in protein by Replacement of Pipecolic Acid by N-Methyl-L-alanine in Efrapeptin C. Ninhydrin tests of proline and hydroxyproline give yellow results.
After revision: It suggested that acyclic secondary amino acids are more flexible than cyclic secondary amino acids in protein by replacement of pipecolic acid by N-methyl-L-alanine in efrapeptin C. Ninhydrin tests of proline and hydroxyproline give yellow results.