KHSE_CLONN
ID KHSE_CLONN Reviewed; 299 AA.
AC A0Q3H1;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 09-JAN-2007, sequence version 1.
DT 03-AUG-2022, entry version 85.
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=NT01CX_0707;
OS Clostridium novyi (strain NT).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=386415;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NT;
RX PubMed=17115055; DOI=10.1038/nbt1256;
RA Bettegowda C., Huang X., Lin J., Cheong I., Kohli M., Szabo S.A., Zhang X.,
RA Diaz L.A. Jr., Velculescu V.E., Parmigiani G., Kinzler K.W., Vogelstein B.,
RA Zhou S.;
RT "The genome and transcriptomes of the anti-tumor agent Clostridium novyi-
RT NT.";
RL Nat. Biotechnol. 24:1573-1580(2006).
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; CP000382; ABK62607.1; -; Genomic_DNA.
DR RefSeq; WP_011723151.1; NC_008593.1.
DR AlphaFoldDB; A0Q3H1; -.
DR SMR; A0Q3H1; -.
DR STRING; 386415.NT01CX_0707; -.
DR EnsemblBacteria; ABK62607; ABK62607; NT01CX_0707.
DR KEGG; cno:NT01CX_0707; -.
DR PATRIC; fig|386415.7.peg.2211; -.
DR eggNOG; COG0083; Bacteria.
DR HOGENOM; CLU_041243_0_0_9; -.
DR OMA; CANRIPH; -.
DR OrthoDB; 610857at2; -.
DR UniPathway; UPA00050; UER00064.
DR Proteomes; UP000008220; 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..299
FT /note="Homoserine kinase"
FT /id="PRO_1000049125"
FT BINDING 85..95
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00384"
SQ SEQUENCE 299 AA; 33450 MW; A344844886806562 CRC64;
MIKVKVPGTT ANMGPGFDSF GMALDIYNEI TVEEIESGFE MLQEGELSEI PLAENLIYTT
FLNTLNKHNY KYKGFRINLS KCDVPMSRGL GSSATCIVGG IFAANSIMGN VMSFDEIIKE
AVSIEGHPDN VVPAIVGGMT VSIMDKDNVI YSNVTVPDRL RAFVMIPNYK LGTEEARGVL
PDSYTREECV FNISRAAMLV NVMNNGEIEK LRLCMQDKIH QKYRGALIRN IDDIFKKAYE
FGSLAEFISG SGSTLIAFID KDNNEFYDRM KNFLDTLEDE WTVHLLKPNF TGAEIIKNR