Desmosine Biosynthesis: Nature of Inhibition by D-penicillamine

Overview

Journal Science

Specialty Science

Date 1968 Aug 2

PMID 5659685

Citations 9

Authors

S R Pinnell

G R Martin

E J Miller

Affiliations

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Abstract

Administration of D-penicillamine and lathyrogens such as beta-amino-propionitrile to animals markedly alters connective tissue by preventing the normal cross-linkage of elastin and collagen. It had been shown that beta-aminopropionitrile blocks the cross-linkage of elastin and collagen by preventing the initial step in cross-linkage: the conversion of lysine in peptide linkage to alpha-amino adipic-delta-semialdehyde. We show that penicillamine acts after the initial step, causing the accumulation of an elastin rich in alpha-amino adipic-delta-semialdehyde.

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