>5X8V_1|Chains A, B|Thymidylate kinase|Thermus thermophilus (strain HB8 / ATCC 27634 / DSM 579) (300852) MPGLFLTLEGLDGSGKTTQARRLAAFLEAQGRPVLLTREPGGGLPEVRSLLLTQELSPEAEYLLFSADRAEHVRKVILPGLAAGKVVISDRHLDSSLAYQGYGRGLPLPWLREVAREATRGLKPRLTFLLDLPPEAALRRVRRPDRLEGLGLEFFRRVREGYLALARAEPGRFVVLDATLPEEEIARAIQAHLRPLLP