ID   KGUA_STRT2              Reviewed;         209 AA.
AC   Q5M3I4;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-2005, sequence version 1.
DT   27-MAR-2024, entry version 102.
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}; OrderedLocusNames=stu1431;
OS   Streptococcus thermophilus (strain ATCC BAA-250 / LMG 18311).
OC   Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=264199;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-250 / LMG 18311;
RX   PubMed=15543133; DOI=10.1038/nbt1034;
RA   Bolotin A., Quinquis B., Renault P., Sorokin A., Ehrlich S.D.,
RA   Kulakauskas S., Lapidus A., Goltsman E., Mazur M., Pusch G.D., Fonstein M.,
RA   Overbeek R., Kyprides N., Purnelle B., Prozzi D., Ngui K., Masuy D.,
RA   Hancy F., Burteau S., Boutry M., Delcour J., Goffeau A., Hols P.;
RT   "Complete sequence and comparative genome analysis of the dairy bacterium
RT   Streptococcus thermophilus.";
RL   Nat. Biotechnol. 22:1554-1558(2004).
CC   -!- FUNCTION: Essential for recycling GMP and indirectly, cGMP.
CC       {ECO:0000255|HAMAP-Rule:MF_00328}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + GMP = ADP + GDP; 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; CP000023; AAV61044.1; -; Genomic_DNA.
DR   RefSeq; WP_011226296.1; NC_006448.1.
DR   AlphaFoldDB; Q5M3I4; -.
DR   SMR; Q5M3I4; -.
DR   STRING; 264199.stu1431; -.
DR   GeneID; 66899192; -.
DR   KEGG; stl:stu1431; -.
DR   PATRIC; fig|264199.4.peg.1405; -.
DR   eggNOG; COG0194; Bacteria.
DR   HOGENOM; CLU_001715_1_0_9; -.
DR   Proteomes; UP000001170; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004385; F:guanylate kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   CDD; cd00071; GMPK; 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..209
FT                   /note="Guanylate kinase"
FT                   /id="PRO_0000266418"
FT   DOMAIN          5..184
FT                   /note="Guanylate kinase-like"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00328"
FT   BINDING         12..19
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00328"
SQ   SEQUENCE   209 AA;  24053 MW;  99A65485CB8F2BA5 CRC64;
     MSERGLLIVF SGPSGVGKGT VRQEIFSKSD HKFEYSVSMT TRAQRPGEVD GKDYFFRSRE
     EFEELIRNGQ MLEYAEYVGN YYGTPLAYVN ETLDKGIDVF LEIEVQGALQ VKKKVPDAVF
     IFLTPPDLNE LEERLVGRGT DSEEVIAQRI ERAREEIALM SEYDYTIVND EVPLAAERVK
     RVIEAEHFRV ERVIGHYRNM ISDKRLSDK
//