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Putative restriction endonuclease This entry includes a group of putative nuclease, including hypothetical protein TT1808 (also known as Uma2 or TTHA1514), an AT-rich DNA-binding protein from Thermus thermophilus. This domain has a 3-layer alpha/beta/alpha topology similar to that found in restriction endonucleases. The nuclease domain is ubiquitously found in enzymes involved in metabolism of nucleic acids, mostly in nucleases with diverse biological functions.
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