ID   KGUA_SULDN              Reviewed;         206 AA.
AC   Q30PL1;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   28-JAN-2026, entry version 108.
DE   RecName: Full=Guanylate kinase {ECO:0000255|HAMAP-Rule:MF_00328};
DE            EC=2.7.4.8 {ECO:0000255|HAMAP-Rule:MF_00328};
DE   AltName: Full=GMP kinase {ECO:0000255|HAMAP-Rule:MF_00328};
GN   Name=gmk {ECO:0000255|HAMAP-Rule:MF_00328};
GN   OrderedLocusNames=Suden_1796;
OS   Sulfurimonas denitrificans (strain ATCC 33889 / DSM 1251) (Thiomicrospira
OS   denitrificans (strain ATCC 33889 / DSM 1251)).
OC   Bacteria; Pseudomonadati; Campylobacterota; Epsilonproteobacteria;
OC   Campylobacterales; Sulfurimonadaceae; Sulfurimonas.
OX   NCBI_TaxID=326298;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33889 / DSM 1251;
RX   PubMed=18065616; DOI=10.1128/aem.01844-07;
RA   Sievert S.M., Scott K.M., Klotz M.G., Chain P.S.G., Hauser L.J., Hemp J.,
RA   Huegler M., Land M., Lapidus A., Larimer F.W., Lucas S., Malfatti S.A.,
RA   Meyer F., Paulsen I.T., Ren Q., Simon J., Bailey K., Diaz E.,
RA   Fitzpatrick K.A., Glover B., Gwatney N., Korajkic A., Long A.,
RA   Mobberley J.M., Pantry S.N., Pazder G., Peterson S., Quintanilla J.D.,
RA   Sprinkle R., Stephens J., Thomas P., Vaughn R., Weber M.J., Wooten L.L.;
RT   "Genome of the epsilonproteobacterial chemolithoautotroph Sulfurimonas
RT   denitrificans.";
RL   Appl. Environ. Microbiol. 74:1145-1156(2008).
CC   -!- FUNCTION: Essential for recycling GMP and indirectly, cGMP.
CC       {ECO:0000255|HAMAP-Rule:MF_00328}.
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; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00328};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00328}.
CC   -!- SIMILARITY: Belongs to the guanylate kinase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00328}.
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DR   EMBL; CP000153; ABB45070.1; -; Genomic_DNA.
DR   RefSeq; WP_011373410.1; NC_007575.1.
DR   AlphaFoldDB; Q30PL1; -.
DR   SMR; Q30PL1; -.
DR   STRING; 326298.Suden_1796; -.
DR   KEGG; tdn:Suden_1796; -.
DR   eggNOG; COG0194; Bacteria.
DR   HOGENOM; CLU_001715_1_2_7; -.
DR   OrthoDB; 9808150at2; -.
DR   Proteomes; UP000002714; Chromosome.
DR   GO; GO:0005829; C:cytosol; IEA:TreeGrafter.
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_0000266431"
FT   DOMAIN          6..185
FT                   /note="Guanylate kinase-like"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00328"
FT   BINDING         13..20
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00328"
SQ   SEQUENCE   206 AA;  23216 MW;  9113595072C73992 CRC64;
     MNHKTGAILV LSGPSGAGKS SLIKEVIDDI GECYFSISTT TRPIREGEVD GVHYHFVSES
     EFKKDIEDEF FLEYAVVHSN YYGTSIKPVK KALKSGKLVI FDIDVQGNAT IINRLGDITT
     SVFISPPTLS ELKKRLEARS TDTKDVIERR IEMAKREMQR VSEYDFLIVN DNLQEAAKTL
     RIIADAARVK IPSNEINDFV RSWEDI
//