Molecular cloning of the cDNA coding for Xenopus laevis prion protein.

Abstract:

:Isolation and characterization of the cDNA coding for the 216-residue Xenopus laevis prion protein is reported. Existence of this protein in amphibians was suggested by an EST fragment (accession number BG813008), while a conclusive demonstration is presented here. This protein exhibits a higher identity level to avian and turtle prion (more than 44%) than to mammalian prion (about 28%). Although most of the structural motifs common to known prion proteins are conserved in X. laevis, the lack of repeats represents a substantial difference. Other features worth noting are the presence of not perfectly conserved hydrophobic stretch, which is considered the prion signature, as well as the complete absence of histidine residues.

journal_name

FEBS Lett

journal_title

FEBS letters

authors

Strumbo B,Ronchi S,Bolis LC,Simonic T

doi

10.1016/s0014-5793(01)03027-7

keywords:

subject

Has Abstract

pub_date

2001-11-16 00:00:00

pages

170-4

issue

2

eissn

0014-5793

issn

1873-3468

pii

S0014-5793(01)03027-7

journal_volume

508

pub_type

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