ID   ASNA_LACAC              Reviewed;         336 AA.
AC   Q5FHY0;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Aspartate--ammonia ligase {ECO:0000255|HAMAP-Rule:MF_00555};
DE            EC=6.3.1.1 {ECO:0000255|HAMAP-Rule:MF_00555};
DE   AltName: Full=Asparagine synthetase A {ECO:0000255|HAMAP-Rule:MF_00555};
GN   Name=asnA {ECO:0000255|HAMAP-Rule:MF_00555}; OrderedLocusNames=LBA1896;
OS   Lactobacillus acidophilus (strain ATCC 700396 / NCK56 / N2 / NCFM).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactobacillus.
OX   NCBI_TaxID=272621;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700396 / NCK56 / N2 / NCFM;
RX   PubMed=15671160; DOI=10.1073/pnas.0409188102;
RA   Altermann E., Russell W.M., Azcarate-Peril M.A., Barrangou R., Buck B.L.,
RA   McAuliffe O., Souther N., Dobson A., Duong T., Callanan M., Lick S.,
RA   Hamrick A., Cano R., Klaenhammer T.R.;
RT   "Complete genome sequence of the probiotic lactic acid bacterium
RT   Lactobacillus acidophilus NCFM.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:3906-3912(2005).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-aspartate + NH4(+) = AMP + diphosphate + H(+) + L-
CC         asparagine; Xref=Rhea:RHEA:11372, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:28938, ChEBI:CHEBI:29991, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:58048, ChEBI:CHEBI:456215; EC=6.3.1.1;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00555};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-asparagine biosynthesis; L-
CC       asparagine from L-aspartate (ammonia route): step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_00555}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00555}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       AsnA subfamily. {ECO:0000255|HAMAP-Rule:MF_00555}.
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DR   EMBL; CP000033; AAV43694.1; -; Genomic_DNA.
DR   RefSeq; WP_003549578.1; NC_006814.3.
DR   RefSeq; YP_194725.1; NC_006814.3.
DR   AlphaFoldDB; Q5FHY0; -.
DR   SMR; Q5FHY0; -.
DR   STRING; 272621.LBA1896; -.
DR   EnsemblBacteria; AAV43694; AAV43694; LBA1896.
DR   GeneID; 56943445; -.
DR   KEGG; lac:LBA1896; -.
DR   PATRIC; fig|272621.13.peg.1801; -.
DR   eggNOG; COG2502; Bacteria.
DR   HOGENOM; CLU_071543_0_0_9; -.
DR   OMA; QSRICMF; -.
DR   BioCyc; LACI272621:G1G49-1850-MON; -.
DR   UniPathway; UPA00134; UER00194.
DR   Proteomes; UP000006381; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004071; F:aspartate-ammonia ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0070981; P:L-asparagine biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd00645; AsnA; 1.
DR   Gene3D; 3.30.930.10; -; 1.
DR   HAMAP; MF_00555; AsnA; 1.
DR   InterPro; IPR006195; aa-tRNA-synth_II.
DR   InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR   InterPro; IPR004618; AsnA.
DR   PANTHER; PTHR30073; PTHR30073; 1.
DR   Pfam; PF03590; AsnA; 1.
DR   PIRSF; PIRSF001555; Asp_ammon_ligase; 1.
DR   SUPFAM; SSF55681; SSF55681; 1.
DR   TIGRFAMs; TIGR00669; asnA; 1.
DR   PROSITE; PS50862; AA_TRNA_LIGASE_II; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Asparagine biosynthesis; ATP-binding; Cytoplasm;
KW   Ligase; Nucleotide-binding; Reference proteome.
FT   CHAIN           1..336
FT                   /note="Aspartate--ammonia ligase"
FT                   /id="PRO_1000017950"
SQ   SEQUENCE   336 AA;  38744 MW;  7C8E15221AFD80B0 CRC64;
     MKLILPKDYH PTLTVRDTEA AIVYIRETFQ DKLASILGVQ RMSAPMFVEK ASGLNDNLNG
     VERPVGFDMK AIPDSEIEVV HSLAKWKRLA LKRYGFGMHE GLYTNMNAIR RDEDLDNFHS
     IYVDQWDWEK IIAKEERNTD TLEVTVMKIF KAIKATEKLV TARYPGSTYR LGDHVSFITT
     QELEDRWPEL SPEERENKIA KEEKAVFIMK IGDKLKRSGK PHDGRAPDYD DWQLNGDLIF
     WYEPLQSKIE VSSMGIRVSE ESLREQLKKA HCEDREKLPF HKMLLEGKLP YTIGGGIGQS
     RLCMLLLGKA HIGEVQASIW PEEMIEKCES DHIHLL