ID   ASNA_PECAS              Reviewed;         330 AA.
AC   Q6DB95;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   16-AUG-2004, sequence version 1.
DT   09-APR-2025, entry version 109.
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};
GN   OrderedLocusNames=ECA0003;
OS   Pectobacterium atrosepticum (strain SCRI 1043 / ATCC BAA-672) (Erwinia
OS   carotovora subsp. atroseptica).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Enterobacterales; Pectobacteriaceae; Pectobacterium.
OX   NCBI_TaxID=218491;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SCRI 1043 / ATCC BAA-672;
RX   PubMed=15263089; DOI=10.1073/pnas.0402424101;
RA   Bell K.S., Sebaihia M., Pritchard L., Holden M.T.G., Hyman L.J.,
RA   Holeva M.C., Thomson N.R., Bentley S.D., Churcher L.J.C., Mungall K.,
RA   Atkin R., Bason N., Brooks K., Chillingworth T., Clark K., Doggett J.,
RA   Fraser A., Hance Z., Hauser H., Jagels K., Moule S., Norbertczak H.,
RA   Ormond D., Price C., Quail M.A., Sanders M., Walker D., Whitehead S.,
RA   Salmond G.P.C., Birch P.R.J., Parkhill J., Toth I.K.;
RT   "Genome sequence of the enterobacterial phytopathogen Erwinia carotovora
RT   subsp. atroseptica and characterization of virulence factors.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:11105-11110(2004).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-aspartate + NH4(+) + ATP = L-asparagine + AMP + diphosphate
CC         + H(+); Xref=Rhea:RHEA:11372, ChEBI:CHEBI:15378, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:29991, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC         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; BX950851; CAG72927.1; -; Genomic_DNA.
DR   RefSeq; WP_011091652.1; NC_004547.2.
DR   AlphaFoldDB; Q6DB95; -.
DR   SMR; Q6DB95; -.
DR   STRING; 218491.ECA0003; -.
DR   KEGG; eca:ECA0003; -.
DR   PATRIC; fig|218491.5.peg.3; -.
DR   eggNOG; COG2502; Bacteria.
DR   HOGENOM; CLU_071543_0_0_6; -.
DR   OrthoDB; 3185462at2; -.
DR   UniPathway; UPA00134; UER00194.
DR   Proteomes; UP000007966; Chromosome.
DR   GO; GO:0005829; C:cytosol; IEA:TreeGrafter.
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-UniRule.
DR   Gene3D; 3.30.930.10; Bira Bifunctional Protein, Domain 2; 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   NCBIfam; TIGR00669; asnA; 1.
DR   PANTHER; PTHR30073; ASPARTATE--AMMONIA LIGASE; 1.
DR   PANTHER; PTHR30073:SF5; ASPARTATE--AMMONIA LIGASE; 1.
DR   Pfam; PF03590; AsnA; 1.
DR   PIRSF; PIRSF001555; Asp_ammon_ligase; 1.
DR   SUPFAM; SSF55681; Class II aaRS and biotin synthetases; 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..330
FT                   /note="Aspartate--ammonia ligase"
FT                   /id="PRO_1000017945"
SQ   SEQUENCE   330 AA;  37023 MW;  69F9D8FE12109BDF CRC64;
     MKKQYIEKQQ QISFVKSFFS SQLEQLLGLI EVQAPILSRI GDGTQDNLSG TEKAVQVKVK
     ALPDATFEVV HSLAKWKRKT LGAYDFSFGE GIYTHMKALR PDEDRLSPIH SVYVDQWDWE
     RVMEDGERNA EYLKSTVTRI YQGIKATEAA VHQAFGIQPF LPEQIHFVHT ETLLKRYPDL
     DAKGRERAIA KELGAVFLIG IGGKLSSGHS HDVRAPDYDD WTTPGEQELA GLNGDIVVWN
     PVLNDAFEIS SMGIRVDAEA LTRQLALTQD EERLKLEWHQ ALLRGEMPQT IGGGIGQSRL
     VMLLLQLPHI GQVQCGVWPQ PLRESVSGLL
//