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Biochem Biophys Res Commun. 1990 Jun 15;169(2):551-8.

Human peptidylglycine alpha-amidating monooxygenase: cDNA, cloning and functional expression of a truncated form in COS cells.

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Universität Frankfurt, Institut für Organische Chemie, FRG.


We have identified a cDNA encoding human peptidylglycine alpha-amidating monooxygenase (PAM; EC with a total length of 3748 bp by screening of a human thyroid carcinoma lambda gt11 library using two heterologous oligonucleotides to conserved regions which derived from frog skin and bovine pituitary PAM sequences. Furthermore we have identified a sequence which differs in a 321 bp deletion. COS cells transfected with a truncated form of this cDNA (lacking the putative carboxyl-terminal transmembrane domain) generated a functional PAM that showed a 20-fold increase of the activity compared to the control and was visualized by immunoblotting.

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