The archaeo-eukaryotic GINS proteins and the archaeal primase catalytic subunit PriS share a common domain
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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.
Swiatek , A & MacNeill , S A 2010 , ' The archaeo-eukaryotic GINS proteins and the archaeal primase catalytic subunit PriS share a common domain ' , Biology Direct , vol. 5 , no. 1 , pp. 17 . https://doi.org/10.1186/1745-6150-5-17
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DescriptionThis work was funded by the Scottish Universities Life Sciences Alliance (SULSA).
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