A novel superfamily of nucleoside triphosphate-binding motif containing proteins which are probably involved in duplex unwinding in DNA and RNA replication and recombination

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Abstract

A statistically significant similarity was demonstrated between the amino acid sequences of 4 Escherichia coli helicases and helicase subunits, a family of non-structural proteins of eukaryotic positive-strand RNA viruses and 2 herpesvirus proteins all of which contain an NTP-binding sequence motif. Based on sequence analysis and secondary structure predictions, a generalized structural model for the ATP-binding core is proposed. It is suggested that all these proteins constitute a superfamily of helicases (or helicase subunits) involved in NTP-dependent duplex unwinding during DNA and RNA replication and recombination. © 1988.

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Gorbalenya, A. E., Koonin, E. V., Donchenko, A. P., & Blinov, V. M. (1988). A novel superfamily of nucleoside triphosphate-binding motif containing proteins which are probably involved in duplex unwinding in DNA and RNA replication and recombination. FEBS Letters, 235(1–2), 16–24. https://doi.org/10.1016/0014-5793(88)81226-2

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