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KHSE_METS4
ID   KHSE_METS4              Reviewed;         321 AA.
AC   B0UKH0;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   08-APR-2008, sequence version 1.
DT   03-AUG-2022, entry version 78.
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=M446_6026;
OS   Methylobacterium sp. (strain 4-46).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Methylobacteriaceae; Methylobacterium.
OX   NCBI_TaxID=426117;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=4-46;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA   Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Ivanova N., Marx C.J., Richardson P.;
RT   "Complete sequence of chromosome of Methylobacterium sp. 4-46.";
RL   Submitted (FEB-2008) 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; CP000943; ACA20303.1; -; Genomic_DNA.
DR   RefSeq; WP_012335681.1; NC_010511.1.
DR   AlphaFoldDB; B0UKH0; -.
DR   SMR; B0UKH0; -.
DR   STRING; 426117.M446_6026; -.
DR   EnsemblBacteria; ACA20303; ACA20303; M446_6026.
DR   KEGG; met:M446_6026; -.
DR   eggNOG; COG2334; Bacteria.
DR   HOGENOM; CLU_053300_1_0_5; -.
DR   OMA; DPTHFER; -.
DR   OrthoDB; 1003984at2; -.
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..321
FT                   /note="Homoserine kinase"
FT                   /id="PRO_1000115435"
SQ   SEQUENCE   321 AA;  35224 MW;  46AC95D7C8BCCE56 CRC64;
     MAVYTEVPDE ALAAFLADYD IGGLLSYKGI AEGVENTNFY LHTTVGSYIL TLYEKRVAEG
     DLPFFLGLME HLAARGLACP QPIRNRAGTA LGRLCGRPAV IVSFLDGVSV RRPGVRHCRA
     LGRALAGLHA AGVDFPMRRP NALSVAAWRP LFAQAEAQAD RVAPNLAART RDDLARLEEA
     WPRDLPGGVI HADLFTDNVF FIGDAVSGLI DFYFACTDAF AYDLAICLNA WCFELDGSFN
     RTKGQAMIAA YQAARPLDPR EVESLPLLAR GAALRFMLTR LVDWLNVPPG ALVKPKDPLE
     YDRKLAFHRR VTGAEEYGWT P
 
 
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