ID   KHSE_CORK4              Reviewed;         310 AA.
AC   C4LJM9;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   07-JUL-2009, sequence version 1.
DT   03-AUG-2022, entry version 70.
DE   RecName: Full=Homoserine kinase {ECO:0000255|HAMAP-Rule:MF_00384};
DE            Short=HK {ECO:0000255|HAMAP-Rule:MF_00384};
DE            Short=HSK {ECO:0000255|HAMAP-Rule:MF_00384};
DE            EC=2.7.1.39 {ECO:0000255|HAMAP-Rule:MF_00384};
GN   Name=thrB {ECO:0000255|HAMAP-Rule:MF_00384}; OrderedLocusNames=ckrop_1289;
OS   Corynebacterium kroppenstedtii (strain DSM 44385 / JCM 11950 / CIP 105744 /
OS   CCUG 35717).
OC   Bacteria; Actinobacteria; Corynebacteriales; Corynebacteriaceae;
OC   Corynebacterium.
OX   NCBI_TaxID=645127;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 44385 / JCM 11950 / CIP 105744 / CCUG 35717;
RX   PubMed=18430482; DOI=10.1016/j.jbiotec.2008.03.004;
RA   Tauch A., Schneider J., Szczepanowski R., Tilker A., Viehoever P.,
RA   Gartemann K.-H., Arnold W., Blom J., Brinkrolf K., Brune I., Goetker S.,
RA   Weisshaar B., Goesmann A., Droege M., Puehler A.;
RT   "Ultrafast pyrosequencing of Corynebacterium kroppenstedtii DSM44385
RT   revealed insights into the physiology of a lipophilic corynebacterium that
RT   lacks mycolic acids.";
RL   J. Biotechnol. 136:22-30(2008).
CC   -!- FUNCTION: Catalyzes the ATP-dependent phosphorylation of L-homoserine
CC       to L-homoserine phosphate. {ECO:0000255|HAMAP-Rule:MF_00384}.
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_00384};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC       from L-aspartate: step 4/5. {ECO:0000255|HAMAP-Rule:MF_00384}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00384}.
CC   -!- SIMILARITY: Belongs to the GHMP kinase family. Homoserine kinase
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00384}.
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DR   EMBL; CP001620; ACR18034.1; -; Genomic_DNA.
DR   RefSeq; WP_012731921.1; NC_012704.1.
DR   AlphaFoldDB; C4LJM9; -.
DR   SMR; C4LJM9; -.
DR   STRING; 645127.ckrop_1289; -.
DR   EnsemblBacteria; ACR18034; ACR18034; ckrop_1289.
DR   KEGG; ckp:ckrop_1289; -.
DR   eggNOG; COG0083; Bacteria.
DR   HOGENOM; CLU_041243_0_1_11; -.
DR   OMA; CANRIPH; -.
DR   OrthoDB; 610857at2; -.
DR   UniPathway; UPA00050; UER00064.
DR   Proteomes; UP000001473; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
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   Gene3D; 3.30.230.10; -; 1.
DR   Gene3D; 3.30.70.890; -; 1.
DR   HAMAP; MF_00384; Homoser_kinase; 1.
DR   InterPro; IPR013750; GHMP_kinase_C_dom.
DR   InterPro; IPR036554; GHMP_kinase_C_sf.
DR   InterPro; IPR006204; GHMP_kinase_N_dom.
DR   InterPro; IPR006203; GHMP_knse_ATP-bd_CS.
DR   InterPro; IPR000870; Homoserine_kinase.
DR   InterPro; IPR020568; Ribosomal_S5_D2-typ_fold.
DR   InterPro; IPR014721; Ribosomal_S5_D2-typ_fold_subgr.
DR   Pfam; PF08544; GHMP_kinases_C; 1.
DR   Pfam; PF00288; GHMP_kinases_N; 1.
DR   PIRSF; PIRSF000676; Homoser_kin; 1.
DR   SUPFAM; SSF54211; SSF54211; 1.
DR   SUPFAM; SSF55060; SSF55060; 1.
DR   TIGRFAMs; TIGR00191; thrB; 1.
DR   PROSITE; PS00627; GHMP_KINASES_ATP; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; ATP-binding; Cytoplasm; Kinase;
KW   Nucleotide-binding; Reference proteome; Threonine biosynthesis;
KW   Transferase.
FT   CHAIN           1..310
FT                   /note="Homoserine kinase"
FT                   /id="PRO_1000205732"
FT   BINDING         95..105
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00384"
SQ   SEQUENCE   310 AA;  32200 MW;  9FCC9A0373F2B6B9 CRC64;
     MPHDIPVGRS VTVRVPASSA NLGPGFDTLG LAVGLYDIVT VEVTASGLTV DVQGEGAGEV
     PLDGTHLVVR AIREGLRVAH ADVPGLAVSC ENAIPQSRGL GSSAAAAAAG VCAANALADN
     ALTTDQVIQV VSSFEGHPDN AAASVLGGAV VSWTDTPVDG ETAPQYHAIG VDVHPDIRAT
     AFIPDFTAST NAVRRVLPSD VSHVDARFNV SRTAVMTVAL RTNPELLWEG TRDRLHQPYR
     ADALSVSAEW VNRLRNRGYA AYLSGAGPTI MVLSTEDLPA EIVDTASSEG LRVITLPIAG
     PIQVNRKELG