ID   KHSE_BURPS              Reviewed;         331 AA.
AC   Q63JD9;
DT   07-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   25-OCT-2004, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Homoserine kinase {ECO:0000255|HAMAP-Rule:MF_00301};
DE            Short=HK {ECO:0000255|HAMAP-Rule:MF_00301};
DE            Short=HSK {ECO:0000255|HAMAP-Rule:MF_00301};
DE            EC=2.7.1.39 {ECO:0000255|HAMAP-Rule:MF_00301};
GN   Name=thrB {ECO:0000255|HAMAP-Rule:MF_00301}; OrderedLocusNames=BPSS1779;
OS   Burkholderia pseudomallei (strain K96243).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Burkholderia; pseudomallei group.
OX   NCBI_TaxID=272560;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K96243;
RX   PubMed=15377794; DOI=10.1073/pnas.0403302101;
RA   Holden M.T.G., Titball R.W., Peacock S.J., Cerdeno-Tarraga A.-M.,
RA   Atkins T., Crossman L.C., Pitt T., Churcher C., Mungall K.L., Bentley S.D.,
RA   Sebaihia M., Thomson N.R., Bason N., Beacham I.R., Brooks K., Brown K.A.,
RA   Brown N.F., Challis G.L., Cherevach I., Chillingworth T., Cronin A.,
RA   Crossett B., Davis P., DeShazer D., Feltwell T., Fraser A., Hance Z.,
RA   Hauser H., Holroyd S., Jagels K., Keith K.E., Maddison M., Moule S.,
RA   Price C., Quail M.A., Rabbinowitsch E., Rutherford K., Sanders M.,
RA   Simmonds M., Songsivilai S., Stevens K., Tumapa S., Vesaratchavest M.,
RA   Whitehead S., Yeats C., Barrell B.G., Oyston P.C.F., Parkhill J.;
RT   "Genomic plasticity of the causative agent of melioidosis, Burkholderia
RT   pseudomallei.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:14240-14245(2004).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-homoserine = ADP + H(+) + O-phospho-L-homoserine;
CC         Xref=Rhea:RHEA:13985, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:57476, ChEBI:CHEBI:57590, ChEBI:CHEBI:456216;
CC         EC=2.7.1.39; Evidence={ECO:0000255|HAMAP-Rule:MF_00301};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC       from L-aspartate: step 4/5. {ECO:0000255|HAMAP-Rule:MF_00301}.
CC   -!- SIMILARITY: Belongs to the pseudomonas-type ThrB family.
CC       {ECO:0000255|HAMAP-Rule:MF_00301}.
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DR   EMBL; BX571966; CAH39255.1; -; Genomic_DNA.
DR   RefSeq; WP_004530313.1; NZ_CP009537.1.
DR   RefSeq; YP_111783.1; NC_006351.1.
DR   AlphaFoldDB; Q63JD9; -.
DR   SMR; Q63JD9; -.
DR   STRING; 272560.BPSS1779; -.
DR   EnsemblBacteria; CAH39255; CAH39255; BPSS1779.
DR   GeneID; 56529805; -.
DR   KEGG; bps:BPSS1779; -.
DR   PATRIC; fig|272560.51.peg.5218; -.
DR   eggNOG; COG2334; Bacteria.
DR   OMA; DPTHFER; -.
DR   UniPathway; UPA00050; UER00064.
DR   Proteomes; UP000000605; Chromosome 2.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004413; F:homoserine kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0009088; P:threonine biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd05153; HomoserineK_II; 1.
DR   HAMAP; MF_00301; Homoser_kinase_2; 1.
DR   InterPro; IPR002575; Aminoglycoside_PTrfase.
DR   InterPro; IPR005280; Homoserine_kinase_II.
DR   InterPro; IPR011009; Kinase-like_dom_sf.
DR   Pfam; PF01636; APH; 1.
DR   SUPFAM; SSF56112; SSF56112; 1.
DR   TIGRFAMs; TIGR00938; thrB_alt; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; ATP-binding; Kinase; Nucleotide-binding;
KW   Reference proteome; Threonine biosynthesis; Transferase.
FT   CHAIN           1..331
FT                   /note="Homoserine kinase"
FT                   /id="PRO_0000172188"
SQ   SEQUENCE   331 AA;  36760 MW;  58716C289DEA937C CRC64;
     MAVFTAVSDA DLALWMRHYD LGDVVAFRGI PSGIENSNFF LTTTRGEYVL TIFENLTAGQ
     LPFYVDLMSH LAKHGVPVPA PVARDDGTLF GELHGKPAAI VTKLEGAAQL APGVEHCVEV
     GQMLARMHLA GRDYPRHQPN LRSLPWWRDT VPAIAPFVTG EQRALLEGEL AHQAAFFASD
     DYAALPEGPC HCDLFRDNAL FAHAEPDTGH SVRLGGFFDF YFAGCDKWLF DVAVTVNDWC
     VDLPTGALDA ARADALLRAY QTVRPFTAGE RRHWGDMLRA GAYRFWVSRL YDFHLPRAAQ
     MLKPHDPGHF ERILRERIAH AGALPETHAC N