ID   AROK_NOSP7              Reviewed;         181 AA.
AC   B2IX35;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 71.
DE   RecName: Full=Shikimate kinase {ECO:0000255|HAMAP-Rule:MF_00109};
DE            Short=SK {ECO:0000255|HAMAP-Rule:MF_00109};
DE            EC=2.7.1.71 {ECO:0000255|HAMAP-Rule:MF_00109};
GN   Name=aroK {ECO:0000255|HAMAP-Rule:MF_00109}; OrderedLocusNames=Npun_R6293;
OS   Nostoc punctiforme (strain ATCC 29133 / PCC 73102).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=63737;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29133 / PCC 73102;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Meeks J.C., Elhai J.,
RA   Campbell E.L., Thiel T., Longmire J., Potts M., Atlas R.;
RT   "Complete sequence of chromosome of Nostoc punctiforme ATCC 29133.";
RL   Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the specific phosphorylation of the 3-hydroxyl
CC       group of shikimic acid using ATP as a cosubstrate. {ECO:0000255|HAMAP-
CC       Rule:MF_00109}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + shikimate = 3-phosphoshikimate + ADP + H(+);
CC         Xref=Rhea:RHEA:13121, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:36208, ChEBI:CHEBI:145989, ChEBI:CHEBI:456216;
CC         EC=2.7.1.71; Evidence={ECO:0000255|HAMAP-Rule:MF_00109};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00109};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00109};
CC   -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC       chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC       5/7. {ECO:0000255|HAMAP-Rule:MF_00109}.
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00109}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00109}.
CC   -!- SIMILARITY: Belongs to the shikimate kinase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00109}.
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DR   EMBL; CP001037; ACC84570.1; -; Genomic_DNA.
DR   RefSeq; WP_012412509.1; NC_010628.1.
DR   AlphaFoldDB; B2IX35; -.
DR   SMR; B2IX35; -.
DR   STRING; 63737.Npun_R6293; -.
DR   EnsemblBacteria; ACC84570; ACC84570; Npun_R6293.
DR   KEGG; npu:Npun_R6293; -.
DR   eggNOG; COG0703; Bacteria.
DR   HOGENOM; CLU_057607_2_3_3; -.
DR   OMA; IGKHLFE; -.
DR   OrthoDB; 1392851at2; -.
DR   PhylomeDB; B2IX35; -.
DR   UniPathway; UPA00053; UER00088.
DR   Proteomes; UP000001191; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004765; F:shikimate kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009073; P:aromatic amino acid family biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0008652; P:cellular amino acid biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0009423; P:chorismate biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   CDD; cd00464; SK; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_00109; Shikimate_kinase; 1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR031322; Shikimate/glucono_kinase.
DR   InterPro; IPR000623; Shikimate_kinase/TSH1.
DR   Pfam; PF01202; SKI; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Aromatic amino acid biosynthesis; ATP-binding;
KW   Cytoplasm; Kinase; Magnesium; Metal-binding; Nucleotide-binding;
KW   Reference proteome; Transferase.
FT   CHAIN           1..181
FT                   /note="Shikimate kinase"
FT                   /id="PRO_1000094400"
FT   BINDING         17..22
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00109"
FT   BINDING         21
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00109"
FT   BINDING         39
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00109"
FT   BINDING         63
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00109"
FT   BINDING         85
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00109"
FT   BINDING         122
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00109"
FT   BINDING         141
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00109"
SQ   SEQUENCE   181 AA;  19959 MW;  C7C7B932DAD8EF1B CRC64;
     MSSLLQGVNL YLIGMMGVGK TTVGPLLAKH LGYGFLDLDG VIAKATDKSI NQLFAEEGEA
     GFRQIESDVL SQVCAFTKLT IATGGGIVLR RENWGYLHHG LIVWLDVPVE LIYRRLAEDT
     TRPLLQDADL KGKLRSLLEQ RTPLYSQADL HITVQEGETP EDIANRIIEV IPNVLKPQAS
     H