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The amino acid sequence of fragment a an enzymically active fragment of diphtheria toxin 1. the tryptic peptides from the maleylated protein


Journal of Biological Chemistry 254(13): 5827-5831
The amino acid sequence of fragment a an enzymically active fragment of diphtheria toxin 1. the tryptic peptides from the maleylated protein
Six tryptic peptides ranging in size from 3-126 residues were isolated from maleylated fragment A of diphtheria toxin after tryptic hydrolysis. These peptides accounted for all 193 residues found by amino acid analysis. After demaleylation, the 6 peptides were purified by chromatography on Sephadex G-50, coupled with paper chromatography and electrophoresis and were analyzed by various methods. The compositions and properties of the peptides are reported. Almost 70% of the residues were positioned within these peptides.


Accession: 006599264

PMID: 221482



Related references

The amino acid sequence of fragment A, an enzymically active fragment of diphtheria toxin. I. The tryptic peptides from the maleylated protein. Journal of Biological Chemistry 254(13): 5827-5831, 1979

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