>sp|Q3J0G1|KTHY_CERS4 Thymidylate kinase OS=Cereibacter sphaeroides GN=tmk MGAQGFFLAVEGIDGSGKSGIVRSLAAHLGAEGRDVLVTREPGGTPEGEAIRGLVLAGAD EAWDPMAELLLMTAARVQHVRRVIAPALAQGRVVISDRYAGSTLAYQGTGRGLSEAFIRT LHAEATGDLWPDLTLVLDLEAGIGLARSRRRLTGETLDEGRFESLDLAFHERIRAAFLAQ AARDPGRHAVIDASGTPEEVQARACAALAPFLAQAPV