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KHSE_RHIL3
ID   KHSE_RHIL3              Reviewed;         321 AA.
AC   Q1MKH7;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2006, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=RL1031;
OS   Rhizobium leguminosarum bv. viciae (strain 3841).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX   NCBI_TaxID=216596;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=3841;
RX   PubMed=16640791; DOI=10.1186/gb-2006-7-4-r34;
RA   Young J.P.W., Crossman L.C., Johnston A.W.B., Thomson N.R., Ghazoui Z.F.,
RA   Hull K.H., Wexler M., Curson A.R.J., Todd J.D., Poole P.S., Mauchline T.H.,
RA   East A.K., Quail M.A., Churcher C., Arrowsmith C., Cherevach I.,
RA   Chillingworth T., Clarke K., Cronin A., Davis P., Fraser A., Hance Z.,
RA   Hauser H., Jagels K., Moule S., Mungall K., Norbertczak H.,
RA   Rabbinowitsch E., Sanders M., Simmonds M., Whitehead S., Parkhill J.;
RT   "The genome of Rhizobium leguminosarum has recognizable core and accessory
RT   components.";
RL   Genome Biol. 7:R34.1-R34.20(2006).
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; AM236080; CAK06528.1; -; Genomic_DNA.
DR   RefSeq; WP_011650765.1; NC_008380.1.
DR   AlphaFoldDB; Q1MKH7; -.
DR   SMR; Q1MKH7; -.
DR   STRING; 216596.RL1031; -.
DR   EnsemblBacteria; CAK06528; CAK06528; RL1031.
DR   KEGG; rle:RL1031; -.
DR   eggNOG; COG2334; Bacteria.
DR   HOGENOM; CLU_053300_0_0_5; -.
DR   OMA; DPTHFER; -.
DR   OrthoDB; 1003984at2; -.
DR   UniPathway; UPA00050; UER00064.
DR   Proteomes; UP000006575; 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..321
FT                   /note="Homoserine kinase"
FT                   /id="PRO_0000300802"
SQ   SEQUENCE   321 AA;  35799 MW;  BD7D5F4585181F22 CRC64;
     MAVYTDIAED DLKWFLTEYD AGTLLSYKGI AEGVENSNFL LHTSKDPLIL TLYEKRVEKS
     DLPFFLGLMQ HLSARGLSCP LPLPRRDGAL LGSLSGRPAA LISFLEGMWL RKPEAKHCRE
     VGRALAEMHV AGDGFALKRP NALSIDGWRG LWEKSEARAG EVEPGLRDEI RSELDFLSAA
     WPSGLPAGVI HADLFPDNVF FLGDQLSGLI DFYFACNDLL AYDVSICLNA WCFEKDGAYN
     ITKGTAMLEG YQSVRPLSDA EISALPVLSR GSALRFFLTR LYDWLTTPEG AMVTKKDPLE
     YLRKLRFHRQ IKSPAEYGLS L
 
 
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