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Intervirology. 2000;43(3):185-90.

A vestigial X open reading frame in duck hepatitis B virus.

Author information

1
Macfarlane Burnet Centre for Medical Research, Fairfield, Melbourne, Australia.

Abstract

Duck hepatitis B virus (DHBV) appears to lack a homologue of the X protein found in mammalian hepadnaviruses. By replacing stop codons in the corresponding region of the DHBV genome, a hypothetical protein which closely matches the hydrophilicity profile of X proteins can be predicted, despite limited sequence homology. We conclude that a full-length X protein was once a common feature of the hepadnaviruses, conserved in structure but not sequence.

PMID:
11044813
DOI:
10.1159/000025037
[Indexed for MEDLINE]

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