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KHSE_RHOP2
ID   KHSE_RHOP2              Reviewed;         326 AA.
AC   Q2J0F9;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   07-MAR-2006, sequence version 1.
DT   03-AUG-2022, entry version 92.
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=RPB_1341;
OS   Rhodopseudomonas palustris (strain HaA2).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Rhodopseudomonas.
OX   NCBI_TaxID=316058;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HaA2;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Chain P., Malfatti S., Shin M.,
RA   Vergez L., Schmutz J., Larimer F., Land M., Hauser L., Pelletier D.A.,
RA   Kyrpides N., Anderson I., Oda Y., Harwood C.S., Richardson P.;
RT   "Complete sequence of Rhodopseudomonas palustris HaA2.";
RL   Submitted (JAN-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; CP000250; ABD06051.1; -; Genomic_DNA.
DR   RefSeq; WP_011440239.1; NC_007778.1.
DR   AlphaFoldDB; Q2J0F9; -.
DR   SMR; Q2J0F9; -.
DR   STRING; 316058.RPB_1341; -.
DR   EnsemblBacteria; ABD06051; ABD06051; RPB_1341.
DR   KEGG; rpb:RPB_1341; -.
DR   eggNOG; COG2334; Bacteria.
DR   HOGENOM; CLU_053300_1_0_5; -.
DR   OMA; DPTHFER; -.
DR   OrthoDB; 1003984at2; -.
DR   UniPathway; UPA00050; UER00064.
DR   Proteomes; UP000008809; Chromosome.
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_0000300806"
SQ   SEQUENCE   326 AA;  35832 MW;  135EBD21B1FA6F46 CRC64;
     MAVYTDVAAD DLADFLKSYE IGDLLSYKGI AEGVENTNFL LHTTRGSFIL TLYEKRVASE
     DLPYFLALMA HLAARGVSCP QPEKTRDGEI CGALSGRPAV IINFLEGVWP RRPNAVHCAG
     VGEALAKMHL AGLDFPQHRA NPLSVSGWRP LFDLAAARAD EIQPGLRDFI AAELDHLEGR
     WPRHLPTGVI HADLFPDNVF FIGDTLSGLI DFPFSCNDIL AYDVAICLNA WCFEPDHAFN
     VTKARALLNA YQRGRALSEA EQTALPLLAR GAAMRFLLTR LVDVLDVPEG ALVKPKDPLE
     YFRKLRFQQN VASIRDYGVE AAGAVA
 
 
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