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The archaeo-eukaryotic GINS proteins and the archaeal primase catalytic subunit PriS share a common domain. | LitMetric

The archaeo-eukaryotic GINS proteins and the archaeal primase catalytic subunit PriS share a common domain.

Biol Direct

Centre for Biomolecular Sciences, School of Biology, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, UK.

Published: April 2010

AI Article Synopsis

Article Abstract

Unlabelled: Primase and GINS are essential factors for chromosomal DNA replication in eukaryotic and archaeal cells. Here we describe a previously undetected relationship between the C-terminal domain of the catalytic subunit (PriS) of archaeal primase and the B-domains of the archaeo-eukaryotic GINS proteins in the form of a conserved structural domain comprising a three-stranded antiparallel beta-sheet adjacent to an alpha-helix and a two-stranded beta-sheet or hairpin. The presence of a shared domain in archaeal PriS and GINS proteins, the genes for which are often found adjacent on the chromosome, suggests simple mechanisms for the evolution of these proteins.

Reviewers: This article was reviewed by Zvi Kelman (nominated by Michael Galperin) and Kira Makarova.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2861644PMC
http://dx.doi.org/10.1186/1745-6150-5-17DOI Listing

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