ID   KHSE_CORA7              Reviewed;         307 AA.
AC   C3PFP1;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-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=cauri_1050;
OS   Corynebacterium aurimucosum (strain ATCC 700975 / DSM 44827 / CIP 107346 /
OS   CN-1) (Corynebacterium nigricans).
OC   Bacteria; Actinobacteria; Corynebacteriales; Corynebacteriaceae;
OC   Corynebacterium.
OX   NCBI_TaxID=548476;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700975 / DSM 44827 / CIP 107346 / CN-1;
RX   PubMed=20137072; DOI=10.1186/1471-2164-11-91;
RA   Trost E., Gotker S., Schneider J., Schneiker-Bekel S., Szczepanowski R.,
RA   Tilker A., Viehoever P., Arnold W., Bekel T., Blom J., Gartemann K.H.,
RA   Linke B., Goesmann A., Puhler A., Shukla S.K., Tauch A.;
RT   "Complete genome sequence and lifestyle of black-pigmented Corynebacterium
RT   aurimucosum ATCC 700975 (formerly C. nigricans CN-1) isolated from a
RT   vaginal swab of a woman with spontaneous abortion.";
RL   BMC Genomics 11:91-91(2010).
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP001601; ACP32645.1; -; Genomic_DNA.
DR   RefSeq; WP_010187115.1; NZ_ACLH01000007.1.
DR   AlphaFoldDB; C3PFP1; -.
DR   SMR; C3PFP1; -.
DR   STRING; 548476.cauri_1050; -.
DR   EnsemblBacteria; ACP32645; ACP32645; cauri_1050.
DR   GeneID; 31923672; -.
DR   KEGG; car:cauri_1050; -.
DR   eggNOG; COG0083; Bacteria.
DR   HOGENOM; CLU_041243_0_2_11; -.
DR   OMA; CANRIPH; -.
DR   OrthoDB; 610857at2; -.
DR   UniPathway; UPA00050; UER00064.
DR   Proteomes; UP000002077; 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; 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; 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..307
FT                   /note="Homoserine kinase"
FT                   /id="PRO_1000134246"
FT   BINDING         95..105
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00384"
SQ   SEQUENCE   307 AA;  32367 MW;  5C860B93663C245C CRC64;
     MSIDIEVGTK VTVQVPASSA NLGPGYDTLG IALSLYDTVE VEVTRSGLEV EIFGEGAEEL
     PRDGSHLVVK AIRSALKAAD VEVTGLRVVC TNNIPQSRGL GSSASAAVAG VAAGNGLAGF
     PLSEEQVVQL SSAFEGHPDN AAASVLGNAV VSWTTVPVDG RSLPEYRAAT LEVHPSIKAT
     ALVPDFHAST QAVRRVLPSH VTHADAAFNV SRTAVNVAAL TAYPDLLWEG TRDRLHQPYR
     ADVLPVTAEW VNRLRNRGYA AYLSGAGPTV MVLHTEPIEE AILDDAREQN LRVLELEVAG
     PVSVERG