Protein
Proline--tRNA ligase 2
Organism
Streptomyces avermitilis (strain ATCC 31267 / DSM 46492 / JCM 5070 / NBRC 14893 / NCIMB 12804 / NRRL 8165 / MA-4680)
Function
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).
Similarity
Belongs to the class-II aminoacyl-tRNA synthetase family. ProS type 3 subfamily.
Sequence
MAKAPVLTPRADDFPRWYQDLINKAELADNGPVRGTMVIRPYGYGLWERMQQEMDARIKETGTQNAYFPLLIPQSYLTKEADHVEGFAPELAVVTHGGGKELEEPAVVRPTSEMIINDYFSKWVQSYRDLPLLINQWANVVRWELRPRLFLRTTEFLWQEGHTAHATYEEARDFAAHIHRHVYADFMENVLAMDVVLGRKTAKERFAGAVNTLTLEGMMGDGKALQMGTSHELGQNFARAFHTQYLSKEGKQELVWQTSWGSTTRMIGALVMMHGDDNGLRVPPRLAQTQVVVLAIKGDEAVLAKVRETGDRLKAAGLRVQVDDRTDVPFGRRAVDWELKGVPVRVEVGPRDLENGTAMVARRIPGGKEPVALDALAALLPTALEEDQALLLRQARERRASRTSDVSTIEEAVEAAAGGGWARIPWATLGERGEAELAEHAASVRCLVAEDGSVPGADDAPGNVAVVARAY