ID A0A074M9N6_9BACL Unreviewed; 324 AA.
AC A0A074M9N6;
DT 01-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 01-OCT-2014, sequence version 1.
DT 24-JAN-2024, entry version 35.
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=EL26_13885 {ECO:0000313|EMBL:KEO82652.1};
OS Tumebacillus flagellatus.
OC Bacteria; Bacillota; Bacilli; Bacillales; Alicyclobacillaceae;
OC Tumebacillus.
OX NCBI_TaxID=1157490 {ECO:0000313|EMBL:KEO82652.1, ECO:0000313|Proteomes:UP000027931};
RN [1] {ECO:0000313|EMBL:KEO82652.1, ECO:0000313|Proteomes:UP000027931}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=GST4 {ECO:0000313|EMBL:KEO82652.1,
RC ECO:0000313|Proteomes:UP000027931};
RX PubMed=23435245; DOI=10.1099/ijs.0.045351-0;
RA Wang Q., Xie N., Qin Y., Shen N., Zhu J., Mi H., Huang R.;
RT "Tumebacillus flagellatus sp. nov., an alpha-amylase/pullulanase-producing
RT bacterium isolated from cassava wastewater.";
RL Int. J. Syst. Evol. Microbiol. 63:3138-3142(2013).
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 -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KEO82652.1}.
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DR EMBL; JMIR01000019; KEO82652.1; -; Genomic_DNA.
DR RefSeq; WP_038089586.1; NZ_JMIR01000019.1.
DR AlphaFoldDB; A0A074M9N6; -.
DR STRING; 1157490.EL26_13885; -.
DR eggNOG; COG0083; Bacteria.
DR OrthoDB; 9769912at2; -.
DR UniPathway; UPA00050; UER00064.
DR Proteomes; UP000027931; Unassembled WGS sequence.
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:UP000027931};
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 81..142
FT /note="GHMP kinase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00288"
FT DOMAIN 225..303
FT /note="GHMP kinase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08544"
FT BINDING 89..99
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00384"
SQ SEQUENCE 324 AA; 34654 MW; 47651F4E340BF58A CRC64;
MGVRIRVPAT TANLGPGFDV FGMSLSLYNI LEFEERPNRS VRIEVSGEGV EDVPRVPDYN
LAYRGFARYF SVRGRQAPGV RLHIHNEIPV TRGLGSSATA IVSGLCAAYL LDGCQFDREE
LLRLAVEIEG HPDNVAPAIY GGFVASGLYT SDFAPESASS SRLEKKTVSR PRLHTLRLTP
PAGLCCVVAV PGYMLSTGLA RRALPEQVPF SEAVQNVRNA SLLTAAMATG DLAMIERVFA
DAMADFLHQP YRFPLIKGGV EAAQAARNAG AFAVAISGSG PSLLALTTAN ATEVGDAMRR
TFAQQGVPTR ILQLKPETSG VHVL
//
