ID W9G0M3_9MICO Unreviewed; 321 AA.
AC W9G0M3;
DT 14-MAY-2014, integrated into UniProtKB/TrEMBL.
DT 14-MAY-2014, sequence version 1.
DT 24-JAN-2024, entry version 42.
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=N865_21910 {ECO:0000313|EMBL:EWS99610.1};
OS Intrasporangium oryzae NRRL B-24470.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Intrasporangiaceae;
OC Intrasporangium.
OX NCBI_TaxID=1386089 {ECO:0000313|EMBL:EWS99610.1, ECO:0000313|Proteomes:UP000019489};
RN [1] {ECO:0000313|EMBL:EWS99610.1, ECO:0000313|Proteomes:UP000019489}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NRRL B-24470 {ECO:0000313|EMBL:EWS99610.1,
RC ECO:0000313|Proteomes:UP000019489};
RA Liu H., Wang G.;
RT "Intrasporangium oryzae NRRL B-24470.";
RL Submitted (AUG-2013) 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 -!- 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:EWS99610.1}.
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DR EMBL; AWSA01000088; EWS99610.1; -; Genomic_DNA.
DR AlphaFoldDB; W9G0M3; -.
DR STRING; 1386089.N865_21910; -.
DR PATRIC; fig|1386089.3.peg.4179; -.
DR eggNOG; COG0083; Bacteria.
DR OrthoDB; 9769912at2; -.
DR UniPathway; UPA00050; UER00064.
DR Proteomes; UP000019489; 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 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:UP000019489};
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 88..162
FT /note="GHMP kinase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00288"
FT DOMAIN 238..297
FT /note="GHMP kinase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08544"
FT BINDING 94..104
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00384"
SQ SEQUENCE 321 AA; 32640 MW; 3578AB09A3DE1F0A CRC64;
MRPGRRSVRV RVPASSANLG PGFDSIGLAL GLWDDYLVTA TAEPGLHVEV TGEGANDVPT
DDTHLVVATM RHTWSVLGVD APAGLQLTAT NGVPHGRGLG SSATAIVAGV IAAQALSGGP
ESPYAAGLAP GAPVAVDLGV ANHLASSLEG HPDNASASVY GGLTVSWMPD GTGLDRGECT
VTARPALHPD IDVVAFVPDT QLSTRTARAV LPPTVPLAAA AAGAGRAALL VHALTADPAH
LLAGTRDWLH QEARRPSYPE TMALVDRLRS RGHAAFVSGA GPTVLVLTTR DAAAEVAVTD
DARWRRVTPG IALTGAEVTV A
//
