title: THE ENZYMIC CONDENSATION OF A THIOL ESTER--TYPE CARBOXYL-ACTIVATED ACYLAMINO ACID WITH AN AMINO ACID AMIDE TO FORM A PEPTIDE.
mesh_terms: D000577:Amides; D000596:Amino Acids; D002247:Carbon Isotopes; D002264:Carboxylic Acids; D004952:Esters; D006898:Hydroxylamines; D010206:Papain; D010455:Peptides; D012106:Research; D013438:Sulfhydryl Compounds
chemical_list: D000577:Amides; D000596:Amino Acids; D002247:Carbon Isotopes; D002264:Carboxylic Acids; D004952:Esters; D006898:Hydroxylamines; D010455:Peptides; D013438:Sulfhydryl Compounds; D010206:Papain
keywords: AMIDES; CARBON ISOTOPES; EXPERIMENTAL LAB STUDY; HYDROXYLAMINES; PAPAIN; PEPTIDES; SULFHYDRYL COMPOUNDS