ID   ASNA_STRA1              Reviewed;         330 AA.
AC   Q3K2R9;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   25-MAY-2022, entry version 83.
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=SAK_0552;
OS   Streptococcus agalactiae serotype Ia (strain ATCC 27591 / A909 / CDC
OS   SS700).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=205921;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27591 / A909 / CDC SS700;
RX   PubMed=16172379; DOI=10.1073/pnas.0506758102;
RA   Tettelin H., Masignani V., Cieslewicz M.J., Donati C., Medini D.,
RA   Ward N.L., Angiuoli S.V., Crabtree J., Jones A.L., Durkin A.S., DeBoy R.T.,
RA   Davidsen T.M., Mora M., Scarselli M., Margarit y Ros I., Peterson J.D.,
RA   Hauser C.R., Sundaram J.P., Nelson W.C., Madupu R., Brinkac L.M.,
RA   Dodson R.J., Rosovitz M.J., Sullivan S.A., Daugherty S.C., Haft D.H.,
RA   Selengut J., Gwinn M.L., Zhou L., Zafar N., Khouri H., Radune D.,
RA   Dimitrov G., Watkins K., O'Connor K.J., Smith S., Utterback T.R., White O.,
RA   Rubens C.E., Grandi G., Madoff L.C., Kasper D.L., Telford J.L.,
RA   Wessels M.R., Rappuoli R., Fraser C.M.;
RT   "Genome analysis of multiple pathogenic isolates of Streptococcus
RT   agalactiae: implications for the microbial 'pan-genome'.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:13950-13955(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; CP000114; ABA45608.1; -; Genomic_DNA.
DR   RefSeq; WP_000748011.1; NC_007432.1.
DR   AlphaFoldDB; Q3K2R9; -.
DR   SMR; Q3K2R9; -.
DR   KEGG; sak:SAK_0552; -.
DR   HOGENOM; CLU_071543_0_0_9; -.
DR   OMA; QSRICMF; -.
DR   UniPathway; UPA00134; UER00194.
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.
FT   CHAIN           1..330
FT                   /note="Aspartate--ammonia ligase"
FT                   /id="PRO_1000017963"
SQ   SEQUENCE   330 AA;  37718 MW;  DB8088FB866A4F4D CRC64;
     MKKSFIHQQQ EISFVKNTFT QYLIDKLEIV EVQGPILSQV GDGMQDNLSG IEHPVSVKVL
     NIPEAEFEVV HSLAKWKRHT LARFGFNEGE GLFVHMKALR PDEDSLDPTH SVYVDQWDWE
     KVIPDGRRNL DYLKETVEKI YKAIRLTELA VEARFDIESI LPKRITFIHT EELVEKYPDL
     SPKERENAIA KEYGAVFLIG IGGELADGKP HDGRAPDYDD WTTPSENGFK GLNGDILVWN
     EQLGTAFELS SMGIRVDEDA LKRQVVLTGD EDRLEFEWHK TLLRGFFPLT IGGGIGQSRL
     AMFLLRKKHI GEVQSSVWPK EVRDTFENIL