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Overview

Uniprot IDQ5M7W7
Protein NameProbable proline--tRNA ligase, mitochondrial
Gene NamePars2
OrganismRattus norvegicus

Kla Sites from experimental identification

Position Flanking peptide
382 IPPKKGSKEAAATEI

Function

Mitochondrial aminoacyl-tRNA synthetase that catalyzes the specific attachment of the proline amino acid (aa) to the homologous transfer RNA (tRNA), further participating in protein synthesis. The reaction occurs in a two steps: proline is first activated by ATP to form Pro-AMP and then transferred to the acceptor end of tRNA(Pro)

Protein Sequence

10 MEGLLTRCRT 20 LSALATCSLR 30 HSRCIVRKCY 40 HCAPGRGQRL 50 VVSRMFQPQN 60 LREDQVLSLE 70 GRASDLTCKS 80 QRLMLQVGLI 90 LPASPGCYHL 100 MPYTVRAVEK 110 LVRVIDQEMQ 120 AIGGQKINMP 130 SLSPAELWRA 140 TGRWDLMGRE 150 LLRLKDRHGK 160 EYCLGPTHEE 170 AVTALVASQK 180 KLSYKQLPLL 190 LYQVTRKFRD 200 EPRPRFGLLR 210 GREFYMKDMY 220 TFDSSSEAAQ 230 ETYSLVCDAY 240 CRLFDRLGLR 250 WMKARADVGS 260 IGGTMSHEFQ 270 LPVDIGEDRL 280 VVCPSCHFSA 290 NTEIVDLSQK 300 ICPDCQGPLT 310 ETKGIEVGHT 320 FYLGTKYSSI 330 FNAHFTNAHG 340 ESLLAEMGCY 350 GLGVTRILAA 360 AIEVLSTEDC 370 IRWPSLLAPY 380 QVCIIPPKKG 390 SKEAAATEIV 400 ERLYDDVTEA 410 LPQLRGEVLL 420 DDRTHLTIGN 430 RLKDANKLGY 440 PFVIIASKRA 450 LEDPAHFEVW 460 SQNTGEVVFL 470 TKEGVMELLT GVHVV

Gene Ontology

Classification GO ID Description
Cellular Component GO:0005759 mitochondrial matrix
Cellular Component GO:0005739 mitochondrion
Molecular Function GO:0005524 ATP binding
Molecular Function GO:0004827 proline-tRNA ligase activity
Biological Process GO:0006433 prolyl-tRNA aminoacylation

Reference

[1] Chen Y, Sun W, Sun Z, Zhao H, Wu T et al.. Effect of electroacupuncture on hippocampal protein lactylation in a rat model of vascular dementia.. Front Neurol 16:1629474. 2025. PMID: 40963935.