the inhibitor was isolated over biogel p30 and characterized as a peptide fragment ( mol . wt about 2 kd ) containing approximately 50 moles of ornithine and 6-12 moles , respectively , of aspartate , serine , threonine , glutamate , glycine , alanine and histidine per 100 moles amino acids .
C0017890
glycine
C0002520
amino acids