>4S2E_1|Chains A, B|Thymidylate kinase|Aquifex aeolicus (224324) MLIAFEGIDGSGKTTQAKKLYEYLKQKGYFVSLYREPGGTKVGEVLREILLTEELDERTELLLFEASRSKLIEEKIIPDLKRDKVVILDRFVLSTIAYQGYGKGLDVEFIKNLNEFATRGVKPDITLLLDIPVDIALRRLKEKNRFENKEFLEKVRKGFLELAKEEENVVVIDASGEEEEVFKEILRALSGVLRV