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KHSE_BRUMB
ID   KHSE_BRUMB              Reviewed;         326 AA.
AC   C0RHI3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 63.
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=BMEA_A0512;
OS   Brucella melitensis biotype 2 (strain ATCC 23457).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX   NCBI_TaxID=546272;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 23457;
RA   Setubal J.C., Boyle S., Crasta O.R., Gillespie J.J., Kenyon R.W., Lu J.,
RA   Mane S., Nagrani S., Shallom J.M., Shallom S., Shukla M., Snyder E.E.,
RA   Sobral B.W., Wattam A.R., Will R., Williams K., Yoo H., Munk C., Tapia R.,
RA   Han C., Detter J.C., Bruce D., Brettin T.S.;
RT   "Brucella melitensis ATCC 23457 whole genome shotgun sequencing project.";
RL   Submitted (MAR-2009) 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; CP001488; ACO00291.1; -; Genomic_DNA.
DR   RefSeq; WP_004685478.1; NC_012441.1.
DR   AlphaFoldDB; C0RHI3; -.
DR   SMR; C0RHI3; -.
DR   EnsemblBacteria; ACO00291; ACO00291; BMEA_A0512.
DR   KEGG; bmi:BMEA_A0512; -.
DR   HOGENOM; CLU_053300_1_0_5; -.
DR   OMA; DPTHFER; -.
DR   UniPathway; UPA00050; UER00064.
DR   Proteomes; UP000001748; Chromosome I.
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..326
FT                   /note="Homoserine kinase"
FT                   /id="PRO_1000196943"
SQ   SEQUENCE   326 AA;  36644 MW;  0BE3E69B6D5F1AF0 CRC64;
     MAVYTDINEI ELGAFLRHYD IGTLTSYKGI AEGVENSNYL LHTSSGSFIL TLYEKRTNRE
     DLPFFLGLMQ HLAKRGLECP QPVVRNDGAM IGQLAGRPAA IVTFLEGMWM RRPTVAHCEA
     VGEGLAHMHL AGADFPMRRR NGLTLPDWRP LWNLSRKCAD TVERGLVAET EADLDFLEKN
     WPADLPQGVI HADLFPDNAF FLGDRLSGFI DFYFACTDIL AYDVAVCLNA WCFEKDFSYN
     RTKGAALLRG YTSVRPLSEA EANALLVLAR GAAVRFMLTR LYDWLTVPAG SFVVKKDPME
     YVRRMRFHRQ IESAAEYGLE MQGVAA
 
 
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