>tr|A0A832SXW8|A0A832SXW8_PYRHR Probable thymidylate kinase OS=Pyrococcus horikoshii GN=tmk MRGYFIVLEGIDGSGKTTQAKLLAEWFEDKGYEVLLTKEPTDSELGKLIRRIILEESVID GSKISYEAEALLFAADRAEHVKKIILPALSEGKVVICDRYFYSSLAYQWARGLDLNWLIQ VNSFAPRPDLAILLDLPVKESLRRIKLRGTLTEFDKIVELQRKVRHNYLKLAEMFPEMRI VNALSSIEDIHSDIVALVKHELLGL