ID A0A164D1Z5_9SYNE Unreviewed; 315 AA.
AC A0A164D1Z5;
DT 06-JUL-2016, integrated into UniProtKB/TrEMBL.
DT 06-JUL-2016, sequence version 1.
DT 24-JAN-2024, entry version 30.
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:KZR91091.1};
GN ORFNames=MITS9508_00329 {ECO:0000313|EMBL:KZR91091.1};
OS Synechococcus sp. MIT S9508.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Synechococcaceae;
OC Synechococcus.
OX NCBI_TaxID=1801629 {ECO:0000313|EMBL:KZR91091.1, ECO:0000313|Proteomes:UP000076799};
RN [1] {ECO:0000313|EMBL:KZR91091.1, ECO:0000313|Proteomes:UP000076799}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MIT S9508 {ECO:0000313|EMBL:KZR91091.1,
RC ECO:0000313|Proteomes:UP000076799};
RA Cubillos-Ruiz A., Berta-Thompson J.W., Becker J.W., Chisholm S.W.;
RT "Evolutionary Radiation of Lanthipeptides in Marine Picocyanobacteria.";
RL Submitted (FEB-2016) 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:KZR91091.1}.
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DR EMBL; LVHU01000001; KZR91091.1; -; Genomic_DNA.
DR RefSeq; WP_067092996.1; NZ_LVHU01000001.1.
DR AlphaFoldDB; A0A164D1Z5; -.
DR STRING; 1801629.MITS9508_00329; -.
DR PATRIC; fig|1801629.3.peg.354; -.
DR UniPathway; UPA00050; UER00064.
DR Proteomes; UP000076799; 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};
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 95..150
FT /note="GHMP kinase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF00288"
FT DOMAIN 213..288
FT /note="GHMP kinase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF08544"
FT BINDING 97..107
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00384"
SQ SEQUENCE 315 AA; 33137 MW; FF1CAB73863BA9E1 CRC64;
MAQPRIGQTV VVDVPATTAN IGPGFDCLGA ALDLNNRFTM RRIEGHGERF ELIIEGQEGS
HLRGGAENLV YRAAQRVWKA AGEEPVALEA RVRLAVPPAR GLGSSATAIV AGLVGANALV
GEPLSREKLL ELAIDIEGHP DNVVPSLLGG LCMTAKAASQ RWRVVRCEWM NSVKAVVAIP
AIRLSTSEAR RAMPKAVPVS DAVVNLGALT LLLQGLRTGN GDLISDGMHD RLHEPYRWRL
IKGGQEVKEA AIAAGAWGCA ISGAGPSILA LCCEENGAAV SQAMVRAWES VGVASRAPLL
SLQTAGSHWH PKDAG
//
