US PATENT SUBCLASS 424 / 94.63
.~.~ Acting on peptide bonds (3.4) (e.g., urokinease, etc.)

Current as of: June, 1999
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424 /   HD   DRUG, BIO-AFFECTING AND BODY TREATING COMPOSITIONS

94.1  DF  ENZYME OR COENZYME CONTAINING {5}
94.6  DF  .~ Hydrolases (3. ) (e.g., urease, lipase, asparaginase, muramidase, etc.) {2}
94.63.~.~ Acting on peptide bonds (3.4) (e.g., urokinease, etc.) {4}
94.64  DF  .~.~.~> Serene proteinases (3.4.21) (e.g., trypsin, chymotrypsin, plasmin, thrombin, elastase, kallikrein, fibrinolysin, streptokinease, etc.)
94.65  DF  .~.~.~> SH-proteinases (3.4.22) (e.g., papain, chymopapain, bromelains, ficin, etc.)
94.66  DF  .~.~.~> Acid proteinases (3.4.23) (e.g., pepsin, renin, chymosin, etc.)
94.67  DF  .~.~.~> Metalloproteinases (3.4.24) (e.g., collagenase, snake venom zinc proteinase, etc.)

DEFINITION

Classification: 424/94.63

Acting on peptide bonds (3.4) (e.g., urokinease, etc.):

(under subclass 94.6) Subject matter wherein the enzyme catalyzes hydrolysis of amide bonds in proteins or peptides.

(1)

Synonyms. Peptidases, proteinases, proteolytic enzymes, endopeptidases, exopeptidases, peptidyl-peptide hydrolases.

SEE OR SEARCH CLASS

435, Chemistry: Molecular Biology and Microbiology,

212+, for enzymes which act on peptide bonds and subclass 215 for urokinease.