Definition: Peptides whose amino and carboxy ends are linked together with a peptide bond forming a circular chain. Some of them are ANTI-INFECTIVE AGENTS. Some of them are biosynthesized non-ribosomally (PEPTIDE BIOSYNTHESIS, NON-RIBOSOMAL).
technetium Tc 99m P280 [ (99m)technetium-P280,99mTc-P280,99mTc-apcitide,ACUTECT,P280 Tc chelate,Tc-99m-P280,technetium Tc 99m apcitide ] a technetium-99m-labeled synthetic peptide; used for detecting deep venous thrombosis; structure of P280 given in first source
