US PATENT SUBCLASS 530 / 323
.~ Peptides with at least one nonpeptide bond other than a disulfide bond joining two or more sequences of amino acid residues, e.g., homomeric heterodectic peptide other than cyclic disulfide, depsipeptides, etc.

Current as of: June, 1999
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530 /   HD   CHEMISTRY: NATURAL RESINS OR DERIVATIVES; PEPTIDES OR PROTEINS; LIGNINS OR REACTION PRODUCTS THEREOF

300  DF  PEPTIDES OF 3 TO 100 AMINO ACID RESIDUES {29}
323.~ Peptides with at least one nonpeptide bond other than a disulfide bond joining two or more sequences of amino acid residues, e.g., homomeric heterodectic peptide other than cyclic disulfide, depsipeptides, etc.

DEFINITION

Classification: 530/323

Peptides with at least one nonpeptide bond other than a disulfide bond joining two or more sequences of amino acid residues, e.g., homomeric heterodectic peptide of other than cyclic disulfide, depsipeptides, etc.:

(under subclass 300) Peptides in which a peptide chain contains an interchain nonpeptide moiety.

(1) Note. [figure]

(2) Note. Depsipeptide: polypeptides which contains ester bonds as well as peptide bonds. The naturally occurring Depsipeptides are usually cyclic peptides, also called peptolides, which generally have alpha or beta B-hydroxyacids as heterocomponents. This class also includes O-peptides and peptide lactones. The most important peptide lactones are the Actinomycins, Estamycin and Echionomycin; the peptolides include the Enninatins, Valinomycin, Sporidesmolides, Serratamolide, Esperin, etc.

SEE OR SEARCH CLASS

930, Peptide or Protein Sequence,

30, for peptide or protein sequences with nonpeptide or abnormal peptide links.