ID   AROK_NOSS1              Reviewed;         181 AA.
AC   Q8YXG9;
DT   01-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 105.
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=alr1244;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
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; BA000019; BAB73201.1; -; Genomic_DNA.
DR   PIR; AI1961; AI1961.
DR   RefSeq; WP_010995416.1; NZ_RSCN01000021.1.
DR   AlphaFoldDB; Q8YXG9; -.
DR   SMR; Q8YXG9; -.
DR   STRING; 103690.17130591; -.
DR   EnsemblBacteria; BAB73201; BAB73201; BAB73201.
DR   KEGG; ana:alr1244; -.
DR   eggNOG; COG0703; Bacteria.
DR   OMA; IGKHLFE; -.
DR   OrthoDB; 1392851at2; -.
DR   UniPathway; UPA00053; UER00088.
DR   Proteomes; UP000002483; 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_0000192365"
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;  19816 MW;  2E89FBAC8D32FE03 CRC64;
     MSSLLQGVNL YLIGMMGAGK TTVGHLLAKE LGYGFLDTDN VIAQATKKSI NEIFAEAGEA
     GFRQIESDVL AQVCSYTKLT VATGGGIVLR RENWSYLHHG LILWLDVPVD ILYARLAADT
     TRPLLQDDDP KGKLRSLLEQ RTPLYSQADL RICVNAEETP EQIANKVMQA IPSVLKQTAS
     N