ID G8NAH3_9DEIN Unreviewed; 292 AA.
AC G8NAH3;
DT 22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT 22-FEB-2012, sequence version 1.
DT 24-JAN-2024, entry version 61.
DE RecName: Full=Homoserine kinase {ECO:0000256|ARBA:ARBA00017858, ECO:0000256|HAMAP-Rule:MF_00384};
DE Short=HK {ECO:0000256|HAMAP-Rule:MF_00384};
DE Short=HSK {ECO:0000256|HAMAP-Rule:MF_00384};
DE EC=2.7.1.39 {ECO:0000256|ARBA:ARBA00012078, ECO:0000256|HAMAP-Rule:MF_00384};
GN Name=thrB {ECO:0000256|HAMAP-Rule:MF_00384};
GN ORFNames=TCCBUS3UF1_6190 {ECO:0000313|EMBL:AEV15667.1};
OS Thermus sp. CCB_US3_UF1.
OC Bacteria; Deinococcota; Deinococci; Thermales; Thermaceae; Thermus.
OX NCBI_TaxID=1111069 {ECO:0000313|EMBL:AEV15667.1, ECO:0000313|Proteomes:UP000005635};
RN [1] {ECO:0000313|EMBL:AEV15667.1, ECO:0000313|Proteomes:UP000005635}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCB_US3_UF1 {ECO:0000313|EMBL:AEV15667.1,
RC ECO:0000313|Proteomes:UP000005635};
RA Teh B.S., Abdul Rahman A.Y., Saito J.A., Hou S., Alam M.;
RT "Complete genome sequence of thermophilic Thermus sp. CCB_US3_UF1.";
RL Submitted (NOV-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the ATP-dependent phosphorylation of L-homoserine
CC to L-homoserine phosphate. {ECO:0000256|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:0000256|ARBA:ARBA00000528,
CC ECO:0000256|HAMAP-Rule:MF_00384};
CC -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC from L-aspartate: step 4/5. {ECO:0000256|ARBA:ARBA00005015,
CC ECO:0000256|HAMAP-Rule:MF_00384}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00384}.
CC -!- SIMILARITY: Belongs to the GHMP kinase family. Homoserine kinase
CC subfamily. {ECO:0000256|ARBA:ARBA00007370, ECO:0000256|HAMAP-
CC 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; CP003126; AEV15667.1; -; Genomic_DNA.
DR RefSeq; WP_014515027.1; NC_017278.1.
DR AlphaFoldDB; G8NAH3; -.
DR STRING; 1111069.TCCBUS3UF1_6190; -.
DR KEGG; thc:TCCBUS3UF1_6190; -.
DR PATRIC; fig|1111069.3.peg.599; -.
DR eggNOG; COG0083; Bacteria.
DR HOGENOM; CLU_041243_0_2_0; -.
DR OrthoDB; 9769912at2; -.
DR UniPathway; UPA00050; UER00064.
DR Proteomes; UP000005635; 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; GHMP kinase, C-terminal domain; 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_Su5_D2-typ_SF.
DR InterPro; IPR014721; Ribsml_uS5_D2-typ_fold_subgr.
DR NCBIfam; TIGR00191; thrB; 1.
DR PANTHER; PTHR20861:SF1; HOMOSERINE KINASE; 1.
DR PANTHER; PTHR20861; HOMOSERINE/4-DIPHOSPHOCYTIDYL-2-C-METHYL-D-ERYTHRITOL KINASE; 1.
DR Pfam; PF08544; GHMP_kinases_C; 1.
DR Pfam; PF00288; GHMP_kinases_N; 1.
DR PIRSF; PIRSF000676; Homoser_kin; 1.
DR PRINTS; PR00958; HOMSERKINASE.
DR SUPFAM; SSF55060; GHMP Kinase, C-terminal domain; 1.
DR SUPFAM; SSF54211; Ribosomal protein S5 domain 2-like; 1.
DR PROSITE; PS00627; GHMP_KINASES_ATP; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_00384};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00384}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00384};
KW Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|HAMAP-Rule:MF_00384};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00384};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697, ECO:0000256|HAMAP-
KW Rule:MF_00384};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00384}.
FT DOMAIN 79..138
FT /note="GHMP kinase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00288"
FT DOMAIN 200..271
FT /note="GHMP kinase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08544"
FT BINDING 85..95
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00384"
SQ SEQUENCE 292 AA; 30404 MW; A0E536D3C948D992 CRC64;
MGHLARLYVP ATLANLGSGF DALGVALDLY LEVEAEPARE DAFFYEGEGQ VAGTDNLIHQ
GYRAGMAALG LKAEPLAIRA FNPIPLARGM GSSSAALVAG VALADRVSGG RLGREGVFQV
AARLEGHPDN VAPAVYGGFV AALSEPPLAI PLPRPEGVRF VLAVPPYEVP TPLARAALPP
SVPLEEAVFN LARSALWPAA LCTGRLEALR EASRDRLHQP RRAHLMPGVL EAIQGALEAG
ALAAFVGGAG PTVAALVRAG EEAPVARALE AYRGEGRTLV LGLGEGYFWK ET
//