ID G3A096_9RALS Unreviewed; 334 AA.
AC G3A096;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 27-MAR-2024, entry version 42.
DE RecName: Full=Homoserine kinase {ECO:0000256|HAMAP-Rule:MF_00301};
DE Short=HK {ECO:0000256|HAMAP-Rule:MF_00301};
DE Short=HSK {ECO:0000256|HAMAP-Rule:MF_00301};
DE EC=2.7.1.39 {ECO:0000256|HAMAP-Rule:MF_00301};
GN Name=thrB {ECO:0000256|HAMAP-Rule:MF_00301,
GN ECO:0000313|EMBL:CCA84590.1};
GN ORFNames=RALSY_10565 {ECO:0000313|EMBL:CCA84590.1};
OS Ralstonia syzygii R24.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Ralstonia.
OX NCBI_TaxID=907261 {ECO:0000313|EMBL:CCA84590.1};
RN [1] {ECO:0000313|EMBL:CCA84590.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=R24 {ECO:0000313|EMBL:CCA84590.1};
RX PubMed=21931687; DOI=10.1371/journal.pone.0024356;
RA Remenant B., de Cambiaire J.C., Cellier G., Jacobs J.M., Mangenot S.,
RA Barbe V., Lajus A., Vallenet D., Medigue C., Fegan M., Allen C., Prior P.;
RT "Ralstonia syzygii, the Blood Disease Bacterium and some Asian R.
RT solanacearum strains form a single genomic species despite divergent
RT lifestyles.";
RL PLoS ONE 6:e24356-e24356(2011).
RN [2] {ECO:0000313|EMBL:CCA84590.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=R24 {ECO:0000313|EMBL:CCA84590.1};
RA Genoscope - CEA;
RL Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases.
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|HAMAP-Rule:MF_00301};
CC -!- PATHWAY: Amino-acid biosynthesis; L-threonine biosynthesis; L-threonine
CC from L-aspartate: step 4/5. {ECO:0000256|HAMAP-Rule:MF_00301}.
CC -!- SIMILARITY: Belongs to the pseudomonas-type ThrB family.
CC {ECO:0000256|HAMAP-Rule:MF_00301}.
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DR EMBL; FR854086; CCA84590.1; -; Genomic_DNA.
DR AlphaFoldDB; G3A096; -.
DR UniPathway; UPA00050; UER00064.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
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 CDD; cd05153; HomoserineK_II; 1.
DR Gene3D; 3.90.1200.10; -; 1.
DR HAMAP; MF_00301; Homoser_kinase_2; 1.
DR InterPro; IPR002575; Aminoglycoside_PTrfase.
DR InterPro; IPR005280; Homoserine_kinase_II.
DR InterPro; IPR011009; Kinase-like_dom_sf.
DR NCBIfam; TIGR00938; thrB_alt; 1.
DR PANTHER; PTHR21064:SF6; APH DOMAIN-CONTAINING PROTEIN; 1.
DR PANTHER; PTHR21064; UNCHARACTERIZED; 1.
DR Pfam; PF01636; APH; 1.
DR SUPFAM; SSF56112; Protein kinase-like (PK-like); 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis {ECO:0000256|ARBA:ARBA00022605, ECO:0000256|HAMAP-
KW Rule:MF_00301}; ATP-binding {ECO:0000256|HAMAP-Rule:MF_00301};
KW Kinase {ECO:0000256|HAMAP-Rule:MF_00301, ECO:0000313|EMBL:CCA84590.1};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00301};
KW Threonine biosynthesis {ECO:0000256|ARBA:ARBA00022697, ECO:0000256|HAMAP-
KW Rule:MF_00301};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_00301, ECO:0000313|EMBL:CCA84590.1}.
FT DOMAIN 27..268
FT /note="Aminoglycoside phosphotransferase"
FT /evidence="ECO:0000259|Pfam:PF01636"
SQ SEQUENCE 334 AA; 37959 MW; C8B7A126ACF8D28F CRC64;
MAVFTPVTDA EIALWLEQYD VGKVRALRGI PSGIENTNFF LTTEKDGATH DYVVTLFERL
TGEQLPFYLY LMQHLAQHDI CVPAPIPGRD GAILRSLKGK PATIVTRLPG RSNLAPTVDE
CAIVGDMLAR MHLAGRDYPR HQPNLRSLAW WNEVVPDILP FVQGTTRELL AAELAHQQRV
FASPDYAALP EGPCHCDLFR DNVLFEPTAD GQPERLGGFF DFYFAGVDKW LFDVAVTVND
WCVDLATGAL DAGRTRAMLR AYHAVRPFTD AETRYWRDML RAAAYRFWVS RLWDFHLPRD
AELLQPHDPT HFERVLRERV RTEGLTLDIP EPCN
//
