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Database: UniProt
Entry: A0L667
LinkDB: A0L667
Original site: A0L667 
ID   SYDND_MAGMM             Reviewed;         607 AA.
AC   A0L667;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-DEC-2006, sequence version 1.
DT   27-MAR-2024, entry version 107.
DE   RecName: Full=Aspartate--tRNA(Asp/Asn) ligase {ECO:0000255|HAMAP-Rule:MF_00044};
DE            EC=6.1.1.23 {ECO:0000255|HAMAP-Rule:MF_00044};
DE   AltName: Full=Aspartyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00044};
DE            Short=AspRS {ECO:0000255|HAMAP-Rule:MF_00044};
DE   AltName: Full=Non-discriminating aspartyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00044};
DE            Short=ND-AspRS {ECO:0000255|HAMAP-Rule:MF_00044};
GN   Name=aspS {ECO:0000255|HAMAP-Rule:MF_00044}; OrderedLocusNames=Mmc1_0942;
OS   Magnetococcus marinus (strain ATCC BAA-1437 / JCM 17883 / MC-1).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Magnetococcales;
OC   Magnetococcaceae; Magnetococcus.
OX   NCBI_TaxID=156889;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1437 / JCM 17883 / MC-1;
RX   PubMed=19465526; DOI=10.1128/aem.02874-08;
RA   Schubbe S., Williams T.J., Xie G., Kiss H.E., Brettin T.S., Martinez D.,
RA   Ross C.A., Schuler D., Cox B.L., Nealson K.H., Bazylinski D.A.;
RT   "Complete genome sequence of the chemolithoautotrophic marine magnetotactic
RT   coccus strain MC-1.";
RL   Appl. Environ. Microbiol. 75:4835-4852(2009).
CC   -!- FUNCTION: Aspartyl-tRNA synthetase with relaxed tRNA specificity since
CC       it is able to aspartylate not only its cognate tRNA(Asp) but also
CC       tRNA(Asn). Reaction proceeds in two steps: L-aspartate is first
CC       activated by ATP to form Asp-AMP and then transferred to the acceptor
CC       end of tRNA(Asp/Asn). {ECO:0000255|HAMAP-Rule:MF_00044}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-aspartate + tRNA(Asx) = AMP + diphosphate + L-
CC         aspartyl-tRNA(Asx); Xref=Rhea:RHEA:18349, Rhea:RHEA-COMP:9710,
CC         Rhea:RHEA-COMP:9711, ChEBI:CHEBI:29991, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:78442, ChEBI:CHEBI:78516,
CC         ChEBI:CHEBI:456215; EC=6.1.1.23; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00044};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00044}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00044}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       Type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_00044}.
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DR   EMBL; CP000471; ABK43460.1; -; Genomic_DNA.
DR   RefSeq; WP_011712617.1; NC_008576.1.
DR   AlphaFoldDB; A0L667; -.
DR   SMR; A0L667; -.
DR   STRING; 156889.Mmc1_0942; -.
DR   KEGG; mgm:Mmc1_0942; -.
DR   eggNOG; COG0173; Bacteria.
DR   HOGENOM; CLU_014330_3_2_5; -.
DR   OrthoDB; 9802326at2; -.
DR   Proteomes; UP000002586; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004815; F:aspartate-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0050560; F:aspartate-tRNA(Asn) ligase activity; IEA:UniProtKB-EC.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR   GO; GO:0006422; P:aspartyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd00777; AspRS_core; 1.
DR   CDD; cd04317; EcAspRS_like_N; 1.
DR   Gene3D; 3.30.1360.30; GAD-like domain; 1.
DR   Gene3D; 2.40.50.140; Nucleic acid-binding proteins; 1.
DR   HAMAP; MF_00044; Asp_tRNA_synth_type1; 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; IPR004524; Asp-tRNA-ligase_1.
DR   InterPro; IPR047089; Asp-tRNA-ligase_1_N.
DR   InterPro; IPR002312; Asp/Asn-tRNA-synth_IIb.
DR   InterPro; IPR047090; AspRS_core.
DR   InterPro; IPR004115; GAD-like_sf.
DR   InterPro; IPR029351; GAD_dom.
DR   InterPro; IPR012340; NA-bd_OB-fold.
DR   InterPro; IPR004365; NA-bd_OB_tRNA.
DR   NCBIfam; TIGR00459; aspS_bact; 1.
DR   PANTHER; PTHR22594:SF5; ASPARTATE--TRNA LIGASE, MITOCHONDRIAL; 1.
DR   PANTHER; PTHR22594; ASPARTYL/LYSYL-TRNA SYNTHETASE; 1.
DR   Pfam; PF02938; GAD; 1.
DR   Pfam; PF00152; tRNA-synt_2; 1.
DR   Pfam; PF01336; tRNA_anti-codon; 1.
DR   PRINTS; PR01042; TRNASYNTHASP.
DR   SUPFAM; SSF55681; Class II aaRS and biotin synthetases; 1.
DR   SUPFAM; SSF55261; GAD domain-like; 1.
DR   SUPFAM; SSF50249; Nucleic acid-binding proteins; 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; Reference proteome.
FT   CHAIN           1..607
FT                   /note="Aspartate--tRNA(Asp/Asn) ligase"
FT                   /id="PRO_1000006697"
FT   REGION          197..200
FT                   /note="Aspartate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   BINDING         173
FT                   /ligand="L-aspartate"
FT                   /ligand_id="ChEBI:CHEBI:29991"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   BINDING         219..221
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   BINDING         219
FT                   /ligand="L-aspartate"
FT                   /ligand_id="ChEBI:CHEBI:29991"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   BINDING         228
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   BINDING         456
FT                   /ligand="L-aspartate"
FT                   /ligand_id="ChEBI:CHEBI:29991"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   BINDING         498
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   BINDING         505
FT                   /ligand="L-aspartate"
FT                   /ligand_id="ChEBI:CHEBI:29991"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   BINDING         550..553
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   SITE            31
FT                   /note="Important for tRNA non-discrimination"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
FT   SITE            83
FT                   /note="Important for tRNA non-discrimination"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00044"
SQ   SEQUENCE   607 AA;  68585 MW;  1562EB3F6BEC7ED8 CRC64;
     MKRTHYCNDV RESQIGETVV LEGWINRRRD HGGVIFVDLR DRTGLVQVVF SPELFAEPHA
     QAHTLRSEYV IRATGKVTAR SEGTINPNMD TGRIEVVVED LTILNSSLPL PFQLDDEISE
     NLRLQYRFLD LRRPDMQRNL MFRHRIMQSV RKHLDGSGFV EVETPMLTRS TPEGARDYLV
     PSRVNPGDFY ALPQSPQLFK QLLMMAGYDR YFQIVRCFRD EDLRADRQPE FTQIDLEMSF
     VEPNDVMELT ESVVVEAFKE ALGVSIPQPV RRITYAEAMD KYGLDAPDMR ITMELKDLTE
     VMKSSEFKVF RQAATLEGRG NEHGLVKVLK VPGGGSLTRK QIDTYTEFVG IYGAKGLAYI
     KVNGPWQEDG WQSPIVKFLG DAEKQAIQEA TQAQVGDLLF FGADKASVVN ESLGRLRVKL
     GKELEMLCDE KFAFVWVTDF PLLDWDNEAR RNTAVHHPFT APHPDDIIYL ENADGASVEH
     PLEKVRSLAY DLVLNGTEVG GGSIRIHDTM LQRRMLELLE IGEEEAEGKF GFLLRALQYG
     APPHGGLALG LDRLVTLMLG LDSIRDVIAF PKTQKATCLM TEAPSKVDGA QLKELHLRST
     FKPKTAE
//
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