Prolyl-tRNA synthetase Proline--tRNA ligase 442 Catalyzes the attachment of proline to tRNA(Pro) in a two-step reaction: proline is first activated by ATP to form Pro- AMP and then transferred to the acceptor end of tRNA(Pro) (By similarity). SYP_SINMW MRLSRFFMPILKENPKEAEIVSHRLMLRTGMIRQQSAGIYTWLPLGKRVLDKVNAVIREEQNRSGAIELLMPTLQSAELWQESGRYDAYGKEMLRIKDRQDRPMLYGPTNEEMITDIFRSYVKSYRNLPLNLYHIQLKFRDEIRPRFGTMRSREFLMKDAYSFDLDRAGAEHAYKRMFAAYLRTFDRLGLRAIPMRADTGPIGGNLSHEFIILADTGESEVFCHKDFLGFDIPGEDTNFDDVASMNAIFEKWTSRYAATSEMHEEAAFDAIPEGERLSARGIEVGHIFYFGTKYSEAMGAKVLGPDGKEHTVHMGSYGIGPTRLVPAIIEASHDDNGIIWPKGIAPFDIVVINMKTGDDACDTACGRLYSDLGKAGFDVLLDDTDERAGGKFATADIIGVPVQVIVGPRSIANGEVEVKDRKTGARETMTVEAAINKLVAAR Smed_0918 proS