ID   AK_HELPY                Reviewed;         405 AA.
AC   O25827;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   03-AUG-2022, entry version 124.
DE   RecName: Full=Aspartokinase;
DE            EC=2.7.2.4;
DE   AltName: Full=Aspartate kinase;
GN   Name=lysC; OrderedLocusNames=HP_1229;
OS   Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=85962;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700392 / 26695;
RX   PubMed=9252185; DOI=10.1038/41483;
RA   Tomb J.-F., White O., Kerlavage A.R., Clayton R.A., Sutton G.G.,
RA   Fleischmann R.D., Ketchum K.A., Klenk H.-P., Gill S.R., Dougherty B.A.,
RA   Nelson K.E., Quackenbush J., Zhou L., Kirkness E.F., Peterson S.N.,
RA   Loftus B.J., Richardson D.L., Dodson R.J., Khalak H.G., Glodek A.,
RA   McKenney K., FitzGerald L.M., Lee N., Adams M.D., Hickey E.K., Berg D.E.,
RA   Gocayne J.D., Utterback T.R., Peterson J.D., Kelley J.M., Cotton M.D.,
RA   Weidman J.F., Fujii C., Bowman C., Watthey L., Wallin E., Hayes W.S.,
RA   Borodovsky M., Karp P.D., Smith H.O., Fraser C.M., Venter J.C.;
RT   "The complete genome sequence of the gastric pathogen Helicobacter
RT   pylori.";
RL   Nature 388:539-547(1997).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-aspartate = 4-phospho-L-aspartate + ADP;
CC         Xref=Rhea:RHEA:23776, ChEBI:CHEBI:29991, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:57535, ChEBI:CHEBI:456216; EC=2.7.2.4;
CC   -!- PATHWAY: Amino-acid biosynthesis; L-lysine biosynthesis via DAP
CC       pathway; (S)-tetrahydrodipicolinate from L-aspartate: step 1/4.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via de novo
CC       pathway; L-homoserine from L-aspartate: step 1/3.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC       from L-aspartate: step 1/5.
CC   -!- SIMILARITY: Belongs to the aspartokinase family. {ECO:0000305}.
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DR   EMBL; AE000511; AAD08274.1; -; Genomic_DNA.
DR   PIR; E64673; E64673.
DR   RefSeq; NP_208021.1; NC_000915.1.
DR   RefSeq; WP_000909679.1; NC_018939.1.
DR   AlphaFoldDB; O25827; -.
DR   SMR; O25827; -.
DR   STRING; 85962.C694_06345; -.
DR   PaxDb; O25827; -.
DR   EnsemblBacteria; AAD08274; AAD08274; HP_1229.
DR   KEGG; hpy:HP_1229; -.
DR   PATRIC; fig|85962.47.peg.1317; -.
DR   eggNOG; COG0527; Bacteria.
DR   OMA; DMIVQTI; -.
DR   PhylomeDB; O25827; -.
DR   UniPathway; UPA00034; UER00015.
DR   UniPathway; UPA00050; UER00461.
DR   UniPathway; UPA00051; UER00462.
DR   Proteomes; UP000000429; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0004072; F:aspartate kinase activity; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0019877; P:diaminopimelate biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009090; P:homoserine biosynthetic process; IBA:GO_Central.
DR   GO; GO:0009089; P:lysine biosynthetic process via diaminopimelate; IBA:GO_Central.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0009088; P:threonine biosynthetic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd04261; AAK_AKii-LysC-BS; 1.
DR   Gene3D; 3.40.1160.10; -; 1.
DR   InterPro; IPR036393; AceGlu_kinase-like_sf.
DR   InterPro; IPR045865; ACT-like_dom_sf.
DR   InterPro; IPR002912; ACT_dom.
DR   InterPro; IPR041740; AKii-LysC-BS.
DR   InterPro; IPR001048; Asp/Glu/Uridylate_kinase.
DR   InterPro; IPR005260; Asp_kin_monofn.
DR   InterPro; IPR001341; Asp_kinase.
DR   InterPro; IPR018042; Aspartate_kinase_CS.
DR   InterPro; IPR027795; CASTOR_ACT_dom.
DR   Pfam; PF00696; AA_kinase; 1.
DR   Pfam; PF01842; ACT; 1.
DR   Pfam; PF13840; ACT_7; 1.
DR   PIRSF; PIRSF000726; Asp_kin; 1.
DR   SUPFAM; SSF53633; SSF53633; 1.
DR   SUPFAM; SSF55021; SSF55021; 2.
DR   TIGRFAMs; TIGR00656; asp_kin_monofn; 1.
DR   TIGRFAMs; TIGR00657; asp_kinases; 1.
DR   PROSITE; PS51671; ACT; 1.
DR   PROSITE; PS00324; ASPARTOKINASE; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; ATP-binding; Diaminopimelate biosynthesis; Kinase;
KW   Lysine biosynthesis; Nucleotide-binding; Reference proteome; Repeat;
KW   Transferase.
FT   CHAIN           1..405
FT                   /note="Aspartokinase"
FT                   /id="PRO_0000066677"
FT   DOMAIN          267..344
FT                   /note="ACT 1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01007"
FT   DOMAIN          345..405
FT                   /note="ACT 2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01007"
SQ   SEQUENCE   405 AA;  44134 MW;  74723D671FF49395 CRC64;
     MLIVQKYGGT SMGSIERIHN VAQRVLESVT LGHQVVVVVS AMSGETDRLL EFGKNFSHNP
     NKREMDRIVS VGELVSSAAL SMALERYGHR AISLSGKEAG ILTSSHFQNA VIQSIDTKRI
     TELLEKNYIV VIAGFQGADI QGETTTLGRG GSDLSAVALA GALKAHLCEI YTDVDGVYTT
     DPRIEEKAQK IAQISYDEML ELASMGAKVL LNRSVELAKK LSVKLVTRNS FNHSEGTLIV
     AEKDFKGERM ETPIVSGIAL DKNQARVSME GVEDRPGIAA EIFGALAEYR INVDMIVQTI
     GRDGKTDLDF TIVKTQIEET KQALKPFLAQ MDSIDYDENI AKVSIVGVGM KSHSGVASIA
     FKALAKDNIN IMMISTSEIK ISVLIDIKYA ELAVRTLHAV YQLDQ