>4RRF_1|Chains A, B, C, D, E, F|Threonine--tRNA ligase|Methanocaldococcus jannaschii (243232) MKMLLIHSDYLEFEAKEKTKIAEETENLKGKLDECLACFIAVEREDENNPEGTAIGAVEEIEKVANQLKVNNIVVYPYAHLSSDLSSPETAVKVLKDIESILKERGYNVLRAPFGWYKAFKISCKGHPLSELSRKIVAKEE