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Photoaffinity Labeling of the Hormone Binding Site of Neurophysin
Journal article   Open access   Peer reviewed

Photoaffinity Labeling of the Hormone Binding Site of Neurophysin

D Abercrombie, W M McCormick and I Chaiken
The Journal of biological chemistry, v 257(5), pp 2274-2281
01 Jan 1982
PMID: 7061422
url
https://doi.org/10.1016/s0021-9258(18)34917-2View
Published, Version of Record (VoR) Open
url
https://doi.org/10.1016/S0021-9258(18)34917-2View
Published, Version of Record (VoR) Open

Abstract

hormones neurophysin photoaffinity labelling
The chemical structure of the hormone binding region of the neurophysins has been investigated by photoaffinity labeling with the photolabile tripeptide, L-(methyl- super(3)H)Met-L-Tyr-p-azido-L-Phe amide. The overall data indicate that tyrosine 49 is the probable site for specific covalent attachment of the photoaffinity tripeptide. Assuming that the tripeptide binding site is the high affinity hormone binding site reported for the neurophysins, this conclusion argues that tyrosine 49 is close to or within this site.

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Web of Science research areas
Biochemistry & Molecular Biology
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