>tr|A0A4W2CN70|A0A4W2CN70_BOBOX Thymidine kinase OS=Bos indicus x Bos taurus GN=TK1 MSCINLPNVLPGSPSKTRGQIQVILGPMFSGKSTELMRRVRRFQVAQYKCLVIKYAKDTR YSSLFSTHDRNTMEALPACLLRDVIQDAQRVAVIGIDEGQFFPDIVEFCENMANSGKTVI VAALDGTFQRKAFGTILNLVPLAESVVKLTAVCMECFREAAYTKRLGVEKEVEVIGGADK YHSVCRLCYFKKASGQPAVLDSEENKENCPMTLGKPAEAPGVRKLFATHQIWQCSQAN