KHSE_CLOB6
ID KHSE_CLOB6 Reviewed; 297 AA.
AC C3KW44;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 16-JUN-2009, sequence version 1.
DT 03-AUG-2022, entry version 65.
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=CLJ_B1748;
OS Clostridium botulinum (strain 657 / Type Ba4).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=515621;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=657 / Type Ba4;
RA Shrivastava S., Brown J.L., Bruce D., Detter C., Munk C., Smith L.A.,
RA Smith T.J., Sutton G., Brettin T.S.;
RT "Genome sequence of Clostridium botulinum Ba4 strain 657.";
RL Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001083; ACQ54129.1; -; Genomic_DNA.
DR RefSeq; WP_003362654.1; NC_012658.1.
DR AlphaFoldDB; C3KW44; -.
DR SMR; C3KW44; -.
DR EnsemblBacteria; ACQ54129; ACQ54129; CLJ_B1748.
DR KEGG; cbi:CLJ_B1748; -.
DR HOGENOM; CLU_041243_0_2_9; -.
DR OMA; CANRIPH; -.
DR UniPathway; UPA00050; UER00064.
DR Proteomes; UP000002333; 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; Threonine biosynthesis; Transferase.
FT CHAIN 1..297
FT /note="Homoserine kinase"
FT /id="PRO_1000205731"
FT BINDING 82..92
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00384"
SQ SEQUENCE 297 AA; 32772 MW; 8028B2951C6214D7 CRC64;
MVEVRVPATS ANIGSGFDCL GVAVNMYNKF FVEEIEEGLI FEGCADKFKN EDNLIYVAMK
KCFDKIGYKP TGLRIKIESD IPVSRGLGSS AACVVGGIVS ANELAGGVLN KKELLDLAVE
VEGHPDNVNP AFCGGMTASI SDNREVIYSK VKVSEGIKFC ALIPDFTLST EKARAVLPKS
IDYKDGIFNV GRTALMISAL NNGDFHLIKY ACKDKLHQDY RAKLIENFYS IKEECEKLNS
LGVFLSGAGP TIMVMLREED KDFSKNIKSF LETLKNKWEV RELKIDKLGT VVNNRKV
