US PATENT SUBCLASS 930 / DIG 542
.~.~ The cyclisation occurring through the 4-amino group of the 2,4-diamino butanoic acid (C07K-7/60)


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930 /   HD   PEPTIDE OR PROTEIN SEQUENCE

DIG 532  DD  CYCLIC PEPTIDES DERIVED FROM AT LEAST FIVE AMINO ACIDS AND CONTAINING AT LEAST ONE ABNORMAL PEPTIDE LINK (C07K-7/50) {2}
DIG 536  DD  .~ With at least one abnormal peptide link in the ring (C07K-7/54) {2}
DIG 542.~.~ The cyclisation occurring through the 4-amino group of the 2,4-diamino butanoic acid (C07K-7/60) {1}
DIG 543  DD  .~.~.~> Polymyxins; related peptides (C07K-7/62) {2}