ID B7GKL0_ANOFW Unreviewed; 304 AA.
AC B7GKL0;
DT 10-FEB-2009, integrated into UniProtKB/TrEMBL.
DT 10-FEB-2009, sequence version 1.
DT 24-JAN-2024, entry version 92.
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 ECO:0000313|EMBL:ACJ34769.1};
GN OrderedLocusNames=Aflv_2412 {ECO:0000313|EMBL:ACJ34769.1};
OS Anoxybacillus flavithermus (strain DSM 21510 / WK1).
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Anoxybacillus.
OX NCBI_TaxID=491915 {ECO:0000313|EMBL:ACJ34769.1, ECO:0000313|Proteomes:UP000000742};
RN [1] {ECO:0000313|EMBL:ACJ34769.1, ECO:0000313|Proteomes:UP000000742}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 21510 / WK1 {ECO:0000313|Proteomes:UP000000742};
RX PubMed=19014707; DOI=10.1186/gb-2008-9-11-r161;
RA Saw J.H., Mountain B.W., Feng L., Omelchenko M.V., Hou S., Saito J.A.,
RA Stott M.B., Li D., Zhao G., Wu J., Galperin M.Y., Koonin E.V.,
RA Makarova K.S., Wolf Y.I., Rigden D.J., Dunfield P.F., Wang L., Alam M.;
RT "Encapsulated in silica: genome, proteome and physiology of the
RT thermophilic bacterium Anoxybacillus flavithermus WK1.";
RL Genome Biol. 9:R161.1-R161.16(2008).
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}.
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DR EMBL; CP000922; ACJ34769.1; -; Genomic_DNA.
DR RefSeq; WP_012575931.1; NC_011567.1.
DR AlphaFoldDB; B7GKL0; -.
DR STRING; 491915.Aflv_2412; -.
DR GeneID; 7038685; -.
DR KEGG; afl:Aflv_2412; -.
DR PATRIC; fig|491915.6.peg.2485; -.
DR eggNOG; COG0083; Bacteria.
DR HOGENOM; CLU_041243_0_0_9; -.
DR OMA; CANRIPH; -.
DR UniPathway; UPA00050; UER00064.
DR Proteomes; UP000000742; 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}; Reference proteome {ECO:0000313|Proteomes:UP000000742};
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 82..143
FT /note="GHMP kinase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00288"
FT DOMAIN 204..277
FT /note="GHMP kinase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08544"
FT BINDING 90..100
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00384"
SQ SEQUENCE 304 AA; 32643 MW; 0962A5C97D1057C3 CRC64;
MNDGEMLKIV VPGSTANLGP GFDSIGLAVS LHLTLEVVRA ESWEFIPKTD EVKSIPTDES
NLIYQVASKL ASKYGVTLPP CHVFVSSNIP FTRGLGSSAA AIVAAIELAN ELGCLCLSQE
EKMRAASVYE GHPDNVGASL YGGLVIGSHL NERTHVVNIP HIPIDLIAVI PAYELETKKS
RTVLPSAFTR AQAVEASAIS NVLVAALLTH NWSLVGEMMD ADVFHQPYRE SLVPELQHVR
TVAKRNGAFG VALSGAGPTV LCFAERGQGE KVYHALKVAF PYSDVRMLSV EETGSCVYKM
ALEK
//