US PATENT SUBCLASS 435 / 231
.~.~.~ Acting on amide linkage in cyclic amides (e.g., penicillinase, etc.) (3.5.2)

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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

183  DF  ENZYME (E.G., LIGASES (6. ), ETC.), PROENZYME; COMPOSITIONS THEREOF; PROCESS FOR PREPARING, ACTIVATING, INHIBITING, SEPARATING, OR PURIFYING ENZYMES {11}
195  DF  .~ Hydrolase (3. ) {4}
227  DF  .~.~ Acting on carbon to nitrogen bond other than peptide bond (3.5) {2}
231.~.~.~ Acting on amide linkage in cyclic amides (e.g., penicillinase, etc.) (3.5.2)

DEFINITION

Classification: 435/231

Acting on amide linkage in cyclic amides (e.g., penicillinase, etc. (3.5.2)):

(under subclass 227) Subject matter wherein the enzyme catalyzes the hydrolysis of an amide bond which is part of a ring structure.