ID   KGUA_HELPY              Reviewed;         206 AA.
AC   P56103;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   02-SEP-2026, entry version 132.
DE   RecName: Full=Guanylate kinase;
DE            EC=2.7.4.8;
DE   AltName: Full=GMP kinase;
GN   Name=gmk; OrderedLocusNames=HP_0321;
OS   Helicobacter pylori (strain ATCC 700392 / 26695) (Campylobacter pylori).
OC   Bacteria; Pseudomonadati; Campylobacterota; Epsilonproteobacteria;
OC   Campylobacterales; Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=85962;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700392 / 26695;
RX   PubMed=9252185; DOI=10.1038/41483;
RA   Tomb J.-F., White O., Kerlavage A.R., Clayton R.A., Sutton G.G.,
RA   Fleischmann R.D., Ketchum K.A., Klenk H.-P., Gill S.R., Dougherty B.A.,
RA   Nelson K.E., Quackenbush J., Zhou L., Kirkness E.F., Peterson S.N.,
RA   Loftus B.J., Richardson D.L., Dodson R.J., Khalak H.G., Glodek A.,
RA   McKenney K., FitzGerald L.M., Lee N., Adams M.D., Hickey E.K., Berg D.E.,
RA   Gocayne J.D., Utterback T.R., Peterson J.D., Kelley J.M., Cotton M.D.,
RA   Weidman J.F., Fujii C., Bowman C., Watthey L., Wallin E., Hayes W.S.,
RA   Borodovsky M., Karp P.D., Smith H.O., Fraser C.M., Venter J.C.;
RT   "The complete genome sequence of the gastric pathogen Helicobacter
RT   pylori.";
RL   Nature 388:539-547(1997).
CC   -!- FUNCTION: Essential for recycling GMP and indirectly, cGMP.
CC       {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=GMP + ATP = GDP + ADP; Xref=Rhea:RHEA:20780,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:58115, ChEBI:CHEBI:58189,
CC         ChEBI:CHEBI:456216; EC=2.7.4.8;
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the guanylate kinase family. {ECO:0000305}.
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DR   EMBL; AE000511; AAD07389.1; -; Genomic_DNA.
DR   PIR; A64560; A64560.
DR   RefSeq; WP_000551230.1; NC_018939.1.
DR   AlphaFoldDB; P56103; -.
DR   SMR; P56103; -.
DR   DIP; DIP-3426N; -.
DR   FunCoup; P56103; 320.
DR   IntAct; P56103; 3.
DR   MINT; P56103; -.
DR   STRING; 85962.HP_0321; -.
DR   PaxDb; 85962-HP_0321; -.
DR   EnsemblBacteria; AAD07389; AAD07389; HP_0321.
DR   KEGG; heo:C694_01625; -.
DR   KEGG; hpy:HP_0321; -.
DR   PATRIC; fig|85962.47.peg.343; -.
DR   eggNOG; COG0194; Bacteria.
DR   InParanoid; P56103; -.
DR   OrthoDB; 9808150at2; -.
DR   PhylomeDB; P56103; -.
DR   Proteomes; UP000000429; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004385; F:GMP kinase activity; IEA:UniProtKB-UniRule.
DR   CDD; cd00071; GMPK; 1.
DR   FunFam; 3.30.63.10:FF:000002; Guanylate kinase 1; 1.
DR   Gene3D; 3.30.63.10; Guanylate Kinase phosphate binding domain; 1.
DR   Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR   HAMAP; MF_00328; Guanylate_kinase; 1.
DR   InterPro; IPR008145; GK/Ca_channel_bsu.
DR   InterPro; IPR008144; Guanylate_kin-like_dom.
DR   InterPro; IPR017665; Guanylate_kinase.
DR   InterPro; IPR020590; Guanylate_kinase_CS.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   NCBIfam; TIGR03263; guanyl_kin; 1.
DR   PANTHER; PTHR23117:SF13; GUANYLATE KINASE; 1.
DR   PANTHER; PTHR23117; GUANYLATE KINASE-RELATED; 1.
DR   Pfam; PF00625; Guanylate_kin; 1.
DR   SMART; SM00072; GuKc; 1.
DR   SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR   PROSITE; PS00856; GUANYLATE_KINASE_1; 1.
DR   PROSITE; PS50052; GUANYLATE_KINASE_2; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Kinase; Nucleotide-binding; Reference proteome;
KW   Transferase.
FT   CHAIN           1..206
FT                   /note="Guanylate kinase"
FT                   /id="PRO_0000170547"
FT   DOMAIN          5..183
FT                   /note="Guanylate kinase-like"
FT   BINDING         12..19
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   206 AA;  23830 MW;  AED9253D02C36A13 CRC64;
     MHNDFNLLIL SGPSGAGKST LTKYLQEKIP KTHFSLSTTT RKPREGEVDG LHYNFVSEEE
     FKQGIEKGQF LEWAIVHNHY YGTSKIPVEK ALKEGKIVIF DIDVQGHEIL KKHYPNACSV
     FISTKNQEIL KERLLLRGTD SKETIEKRLI NAYKEMQCLE SFDYLIINED LEKSKEIILS
     IAKTLVHRLK AFNFEKICKA WKNETL
//