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FEBS Lett. 1995 Oct 30;374(2):216-20.

A region of the 75 kDa neurotrophin receptor homologous to the death domains of TNFR-I and Fas.

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1
Department of Pharmaceutical Chemistry, School of Pharmacy, University of California, San Francisco 94143-0446, USA.

Abstract

Members of the NTR/TNFR family mediate apoptosis in many tissues, yet sequence homology has not been detected in their intracellular domains except for a 'death domain' in TNFR-I and Fas. Here, a region of the 75 kDa neurotrophin receptor (NTR) has been aligned with this apoptosis-inducing motif. Peptides at the carboxyl terminus of each domain potentially form amphiphilic helices, one of which (in NTR) resembles mastoparan, a G-protein activating peptide. Molecular models of three death-region peptides suggest that observed sequence similarities reflect a common structure, perhaps capable of undergoing an induced coil to helix transition.

PMID:
7589538
DOI:
10.1016/0014-5793(95)01113-s
[Indexed for MEDLINE]
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