ID   GLK_SYNY3               Reviewed;         355 AA.
AC   Q55855;
DT   23-JAN-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   03-AUG-2022, entry version 116.
DE   RecName: Full=Glucokinase {ECO:0000255|HAMAP-Rule:MF_00524};
DE            EC=2.7.1.2 {ECO:0000255|HAMAP-Rule:MF_00524};
DE   AltName: Full=Glucose kinase {ECO:0000255|HAMAP-Rule:MF_00524};
GN   Name=glk {ECO:0000255|HAMAP-Rule:MF_00524}; OrderedLocusNames=sll0593;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27184 / PCC 6803 / N-1;
RX   PubMed=8590279; DOI=10.1093/dnares/2.4.153;
RA   Kaneko T., Tanaka A., Sato S., Kotani H., Sazuka T., Miyajima N.,
RA   Sugiura M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. I. Sequence features in the 1 Mb region
RT   from map positions 64% to 92% of the genome.";
RL   DNA Res. 2:153-166(1995).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + D-glucose = ADP + D-glucose 6-phosphate + H(+);
CC         Xref=Rhea:RHEA:17825, ChEBI:CHEBI:4167, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:61548, ChEBI:CHEBI:456216; EC=2.7.1.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00524};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00524}.
CC   -!- SIMILARITY: Belongs to the bacterial glucokinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00524}.
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DR   EMBL; BA000022; BAA10611.1; -; Genomic_DNA.
DR   PIR; S76667; S76667.
DR   AlphaFoldDB; Q55855; -.
DR   SMR; Q55855; -.
DR   IntAct; Q55855; 4.
DR   STRING; 1148.1001773; -.
DR   PaxDb; Q55855; -.
DR   PRIDE; Q55855; -.
DR   EnsemblBacteria; BAA10611; BAA10611; BAA10611.
DR   KEGG; syn:sll0593; -.
DR   eggNOG; COG0837; Bacteria.
DR   InParanoid; Q55855; -.
DR   OMA; NNHWRLS; -.
DR   PhylomeDB; Q55855; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004340; F:glucokinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005536; F:glucose binding; IEA:InterPro.
DR   GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00524; Glucokinase; 1.
DR   InterPro; IPR043129; ATPase_NBD.
DR   InterPro; IPR003836; Glucokinase.
DR   Pfam; PF02685; Glucokinase; 1.
DR   SUPFAM; SSF53067; SSF53067; 1.
DR   TIGRFAMs; TIGR00749; glk; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Glycolysis; Kinase; Nucleotide-binding;
KW   Reference proteome; Transferase.
FT   CHAIN           1..355
FT                   /note="Glucokinase"
FT                   /id="PRO_0000215140"
FT   BINDING         11..16
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00524"
SQ   SEQUENCE   355 AA;  37712 MW;  01E16E363ED820E6 CRC64;
     MGAMGVNFLA GDIGGTKTIL ALVTINESSP GLARPVTLFE QTYSSPAFPD LVPMVQQFRQ
     EAAFVLGNPI SVAKACFAIA GPVIDNTCRL TNLDWHLSGD RLAQELAIAQ VDLINDFAAV
     GYGILGLGSE DLTVLQAAPV DPSGAIAILG AGTGLGQCYV IPQGQGRYRV FASEGAHGDF
     APRSPLEWQL LEYLKKKYSL GRISIERVVS GMGIAMIYEF LRHQYPERES AQFSKLYQTW
     NREKDQETKT VDLAAAVSQA ALEGTDVLAD QAMELFLGAY GAEAGNLALK LLPRGGLYVA
     GGIAPKIIPL LEKGSFMQGF SDKGRMQSLM GTIPVQVVLN AKVGLIGAAV CAAQS