ID   SYN_LACH4               Reviewed;         432 AA.
AC   A8YVJ7;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-JAN-2008, sequence version 1.
DT   25-MAY-2022, entry version 80.
DE   RecName: Full=Asparagine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00534};
DE            EC=6.1.1.22 {ECO:0000255|HAMAP-Rule:MF_00534};
DE   AltName: Full=Asparaginyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00534};
DE            Short=AsnRS {ECO:0000255|HAMAP-Rule:MF_00534};
GN   Name=asnS {ECO:0000255|HAMAP-Rule:MF_00534}; OrderedLocusNames=lhv_1270;
OS   Lactobacillus helveticus (strain DPC 4571).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactobacillus.
OX   NCBI_TaxID=405566;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DPC 4571;
RX   PubMed=17993529; DOI=10.1128/jb.01295-07;
RA   Callanan M., Kaleta P., O'Callaghan J., O'Sullivan O., Jordan K.,
RA   McAuliffe O., Sangrador-Vegas A., Slattery L., Fitzgerald G.F.,
RA   Beresford T., Ross R.P.;
RT   "Genome sequence of Lactobacillus helveticus: an organism distinguished by
RT   selective gene loss and IS element expansion.";
RL   J. Bacteriol. 190:727-735(2008).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-asparagine + tRNA(Asn) = AMP + diphosphate + H(+) + L-
CC         asparaginyl-tRNA(Asn); Xref=Rhea:RHEA:11180, Rhea:RHEA-COMP:9659,
CC         Rhea:RHEA-COMP:9674, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:58048, ChEBI:CHEBI:78442,
CC         ChEBI:CHEBI:78515, ChEBI:CHEBI:456215; EC=6.1.1.22;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00534};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00534}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00534}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00534}.
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DR   EMBL; CP000517; ABX27284.1; -; Genomic_DNA.
DR   RefSeq; WP_012211950.1; NC_010080.1.
DR   AlphaFoldDB; A8YVJ7; -.
DR   SMR; A8YVJ7; -.
DR   STRING; 405566.lhv_1270; -.
DR   PRIDE; A8YVJ7; -.
DR   EnsemblBacteria; ABX27284; ABX27284; lhv_1270.
DR   KEGG; lhe:lhv_1270; -.
DR   eggNOG; COG0017; Bacteria.
DR   HOGENOM; CLU_004553_2_0_9; -.
DR   OMA; DNMDLAE; -.
DR   Proteomes; UP000000790; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004816; F:asparagine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR   GO; GO:0006421; P:asparaginyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   Gene3D; 2.40.50.140; -; 1.
DR   Gene3D; 3.30.930.10; -; 1.
DR   HAMAP; MF_00534; Asn_tRNA_synth; 1.
DR   InterPro; IPR004364; Aa-tRNA-synt_II.
DR   InterPro; IPR006195; aa-tRNA-synth_II.
DR   InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR   InterPro; IPR004522; Asn-tRNA-ligase.
DR   InterPro; IPR002312; Asp/Asn-tRNA-synth_IIb.
DR   InterPro; IPR012340; NA-bd_OB-fold.
DR   InterPro; IPR004365; NA-bd_OB_tRNA.
DR   Pfam; PF00152; tRNA-synt_2; 1.
DR   Pfam; PF01336; tRNA_anti-codon; 1.
DR   PRINTS; PR01042; TRNASYNTHASP.
DR   SUPFAM; SSF50249; SSF50249; 1.
DR   SUPFAM; SSF55681; SSF55681; 1.
DR   TIGRFAMs; TIGR00457; asnS; 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..432
FT                   /note="Asparagine--tRNA ligase"
FT                   /id="PRO_1000072530"
SQ   SEQUENCE   432 AA;  50261 MW;  E71C5C77CDC5484C CRC64;
     MTELISIKDS SKHVDQEVKM HVWLTDKRSS GKIIFLQLRD GTAFFQGVVR KNDVTDEVFE
     VAKSLRQESS FYITGTVHED ARSHFGYEIQ ITDLKVVSNN EGYPIGNKEH GIDFLLDHRH
     LWLRSKKPFA IMQIRNTMFK ATVDFFEKED FIKFDAPIFM HSAPEGTTQL FHVDYFDHDA
     YLSQSGQLYG EAGAMAFGKI FTFGPTFRAE ESKGRRHMTE FWMMEPEMAW MHQDESLDLQ
     ERYLAYMVKQ VLDKNEYELK ILGRDPEKLR PTTEGNFVRL PYDDAVKMLQ DAGRDFKWGD
     DFGAPDEGYI SEQYDRPVFI VNYPTSIKPF YMKKNPDNPK EYLCADVIAP EGYGEIFGGS
     EREGNYEVLE QQIIDAGLNL EDYQWYLDLR KFGGVPHSGF GMGFERTIAW VCHLDHIREA
     IPFPRLINRM QP