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KHSE_BURCA
ID   KHSE_BURCA              Reviewed;         332 AA.
AC   Q1BLX6;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   11-JUL-2006, sequence version 1.
DT   03-AUG-2022, entry version 81.
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=Bcen_4497;
OS   Burkholderia cenocepacia (strain AU 1054).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Burkholderia; Burkholderia cepacia complex.
OX   NCBI_TaxID=331271;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AU 1054;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Lykidis A., LiPuma J.J., Konstantinidis K.,
RA   Tiedje J.M., Richardson P.;
RT   "Complete sequence of chromosome 2 of Burkholderia cenocepacia AU 1054.";
RL   Submitted (MAY-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000379; ABF79379.1; -; Genomic_DNA.
DR   RefSeq; WP_011548158.1; NC_008061.1.
DR   AlphaFoldDB; Q1BLX6; -.
DR   SMR; Q1BLX6; -.
DR   EnsemblBacteria; ABF79379; ABF79379; Bcen_4497.
DR   KEGG; bcn:Bcen_4497; -.
DR   HOGENOM; CLU_053300_0_0_4; -.
DR   OMA; DPTHFER; -.
DR   UniPathway; UPA00050; UER00064.
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   Threonine biosynthesis; Transferase.
FT   CHAIN           1..332
FT                   /note="Homoserine kinase"
FT                   /id="PRO_0000300784"
SQ   SEQUENCE   332 AA;  37186 MW;  CA5E3D0BD59F3755 CRC64;
     MAVFTAVSDS DLAQWMRHYE LGDVLAFRGI PSGIENSNFF LTTTRGEYVL TIFEKLTAQQ
     LPFYLDLMRH LAAHGVPVPD PIPRDDGALF GELHGKPAAI VTKLDGAAEL APGVEHCIEV
     GQMLARLHLA GRDYPRNQPN LRSLPWWQEN VPAIVPFITD AQRALLEGEL AHQAGFFASD
     DYAALPAGPC HCDLFRDNVL FAHAAPGTGH DVRLGGFFDF YFAGCDKWLF DVAVTVNDWC
     VDLATGVLDV ARADALLRAY QTVRPFTAEE RRHWSDMLRA GAYRFWVSRL YDFYLPRAAE
     MLKPHDPGHF ERILRERIAH TPALPEIQTA CN
 
 
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