ID SYP_SALHS Reviewed; 572 AA. AC B4TK70; DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot. DT 23-SEP-2008, sequence version 1. DT 27-MAR-2024, entry version 83. DE RecName: Full=Proline--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_01569}; DE EC=6.1.1.15 {ECO:0000255|HAMAP-Rule:MF_01569}; DE AltName: Full=Prolyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_01569}; DE Short=ProRS {ECO:0000255|HAMAP-Rule:MF_01569}; GN Name=proS {ECO:0000255|HAMAP-Rule:MF_01569}; GN OrderedLocusNames=SeHA_C0280; OS Salmonella heidelberg (strain SL476). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Salmonella. OX NCBI_TaxID=454169; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=SL476; RX PubMed=21602358; DOI=10.1128/jb.00297-11; RA Fricke W.F., Mammel M.K., McDermott P.F., Tartera C., White D.G., RA Leclerc J.E., Ravel J., Cebula T.A.; RT "Comparative genomics of 28 Salmonella enterica isolates: evidence for RT CRISPR-mediated adaptive sublineage evolution."; RL J. Bacteriol. 193:3556-3568(2011). CC -!- FUNCTION: Catalyzes the attachment of proline to tRNA(Pro) in a two- CC step reaction: proline is first activated by ATP to form Pro-AMP and CC then transferred to the acceptor end of tRNA(Pro). As ProRS can CC inadvertently accommodate and process non-cognate amino acids such as CC alanine and cysteine, to avoid such errors it has two additional CC distinct editing activities against alanine. One activity is designated CC as 'pretransfer' editing and involves the tRNA(Pro)-independent CC hydrolysis of activated Ala-AMP. The other activity is designated CC 'posttransfer' editing and involves deacylation of mischarged Ala- CC tRNA(Pro). The misacylated Cys-tRNA(Pro) is not edited by ProRS. CC {ECO:0000255|HAMAP-Rule:MF_01569}. CC -!- CATALYTIC ACTIVITY: CC Reaction=ATP + L-proline + tRNA(Pro) = AMP + diphosphate + L-prolyl- CC tRNA(Pro); Xref=Rhea:RHEA:14305, Rhea:RHEA-COMP:9700, Rhea:RHEA- CC COMP:9702, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:60039, CC ChEBI:CHEBI:78442, ChEBI:CHEBI:78532, ChEBI:CHEBI:456215; CC EC=6.1.1.15; Evidence={ECO:0000255|HAMAP-Rule:MF_01569}; CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01569}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01569}. CC -!- DOMAIN: Consists of three domains: the N-terminal catalytic domain, the CC editing domain and the C-terminal anticodon-binding domain. CC {ECO:0000255|HAMAP-Rule:MF_01569}. CC -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family. CC ProS type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_01569}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP001120; ACF68125.1; -; Genomic_DNA. DR RefSeq; WP_001260683.1; NC_011083.1. DR AlphaFoldDB; B4TK70; -. DR SMR; B4TK70; -. DR KEGG; seh:SeHA_C0280; -. DR HOGENOM; CLU_016739_0_0_6; -. DR Proteomes; UP000001866; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0002161; F:aminoacyl-tRNA editing activity; IEA:InterPro. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule. DR GO; GO:0004827; F:proline-tRNA ligase activity; IEA:UniProtKB-UniRule. DR GO; GO:0006433; P:prolyl-tRNA aminoacylation; IEA:UniProtKB-UniRule. DR CDD; cd04334; ProRS-INS; 1. DR CDD; cd00861; ProRS_anticodon_short; 1. DR CDD; cd00779; ProRS_core_prok; 1. DR Gene3D; 3.40.50.800; Anticodon-binding domain; 1. DR Gene3D; 3.90.960.10; YbaK/aminoacyl-tRNA synthetase-associated domain; 1. DR HAMAP; MF_01569; Pro_tRNA_synth_type1; 1. DR InterPro; IPR002314; aa-tRNA-synt_IIb. DR InterPro; IPR006195; aa-tRNA-synth_II. DR InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL. DR InterPro; IPR004154; Anticodon-bd. DR InterPro; IPR036621; Anticodon-bd_dom_sf. DR InterPro; IPR002316; Pro-tRNA-ligase_IIa. DR InterPro; IPR004500; Pro-tRNA-synth_IIa_bac-type. DR InterPro; IPR023717; Pro-tRNA-Synthase_IIa_type1. DR InterPro; IPR044140; ProRS_anticodon_short. DR InterPro; IPR033730; ProRS_core_prok. DR InterPro; IPR036754; YbaK/aa-tRNA-synt-asso_dom_sf. DR InterPro; IPR007214; YbaK/aa-tRNA-synth-assoc-dom. DR NCBIfam; TIGR00409; proS_fam_II; 1. DR PANTHER; PTHR42753; MITOCHONDRIAL RIBOSOME PROTEIN L39/PROLYL-TRNA LIGASE FAMILY MEMBER; 1. DR PANTHER; PTHR42753:SF2; PROLINE--TRNA LIGASE, MITOCHONDRIAL-RELATED; 1. DR Pfam; PF03129; HGTP_anticodon; 1. DR Pfam; PF00587; tRNA-synt_2b; 1. DR Pfam; PF04073; tRNA_edit; 1. DR PIRSF; PIRSF001535; ProRS_1; 1. DR PRINTS; PR01046; TRNASYNTHPRO. DR SUPFAM; SSF52954; Class II aaRS ABD-related; 1. DR SUPFAM; SSF55681; Class II aaRS and biotin synthetases; 1. DR SUPFAM; SSF55826; YbaK/ProRS associated domain; 1. DR PROSITE; PS50862; AA_TRNA_LIGASE_II; 1. PE 3: Inferred from homology; KW Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; KW Nucleotide-binding; Protein biosynthesis. FT CHAIN 1..572 FT /note="Proline--tRNA ligase" FT /id="PRO_1000199418" SQ SEQUENCE 572 AA; 63540 MW; DCD34C0EFDE33CEC CRC64; MRTSQYLLST LKETPADAEV ISHQLMLRAG MIRKLASGLY TWLPTGLRVL KKVENIVREE MNNAGAIEVS MPVVQPADLW QESGRWEQYG PELLRFVDRG ERPFVLGPTH EEVITDLVRN ELSSYKQLPL NFFQIQTKFR DEVRPRFGVM RSREFLMKDA YSFHTSQESL QETYDAMYAA YSRIFSRMGL DFRAVQADTG SIGGNASHEF QVLAQSGEDD IVFSDVSDYA ANIELAEAIA PQTPRAAATQ EMTLVDTPNA KTIAELVEQF NLPIEKTVKT LLVKAVKDSK SPLVALLVRG DHELNEVKAE KLPHVASPLT FATEEEIRAV INAGPGSLGP VNMPIPVIID RTVAAMSDFA AGANIDGKHY FGINWDRDVA TPVVADIRNV VAGDPSPDGQ GTLLIKRGIE VGHIFQLGTK YSEALKASVQ GEDGRNQILT MGCYGIGVTR VVAAAIEQNF DERGIVWPDA IAPFQVAILP MNMHKSFRVQ ELAEKLYSEL RAQGIEVLMD DRKERPGVMF ADMELIGIPH TIVIGDRNLD NDDIEYKYRR SGEKSLIKTG DIVDYLVKAI KG //