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Crystal structure of AFV1-102, a protein from the acidianus filamentous virus 1

✍ Scribed by Jenny Keller; Nicolas Leulliot; Bruno Collinet; Valerie Campanacci; Christian Cambillau; David Pranghisvilli; Herman van Tilbeurgh

Book ID: 105356769
Publisher: Cold Spring Harbor Laboratory Press
Year: 2009
Tongue: English
Weight: 348 KB
Volume: 18
Category: Article
ISSN: 0961-8368
DOI: 10.1002/pro.79

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✦ Synopsis

Abstract

Viruses infecting hyperthermophilic archaea have intriguing morphologies and genomic properties. The vast majority of their genes do not have homologs other than in other hyperthermophilic viruses, and the biology of these viruses is poorly understood. As part of a structural genomics project on the proteins of these viruses, we present here the structure of a 102 amino acid protein from acidianus filamentous virus 1 (AFV1‐102). The structure shows that it is made of two identical motifs that have poor sequence similarity. Although no function can be proposed from structural analysis, tight binding of the gateway tag peptide in a groove between the two motifs suggests AFV1‐102 is involved in protein protein interactions.

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