ID   KGUA_STRKA              Reviewed;         205 AA.
AC   Q8GAU4;
DT   20-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 63.
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};
OS   Streptomyces kasugaensis.
OC   Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC   Streptomyces.
OX   NCBI_TaxID=1946;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=A1R6;
RX   PubMed=12426327; DOI=10.1128/jb.184.23.6417-6423.2002;
RA   Kojima I., Kasuga K., Kobayashi M., Fukasawa A., Mizuno S., Arisawa A.,
RA   Akagawa H.;
RT   "The rpoZ gene, encoding the RNA polymerase omega subunit, is required for
RT   antibiotic production and morphological differentiation in Streptomyces
RT   kasugaensis.";
RL   J. Bacteriol. 184:6417-6423(2002).
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; AB081073; BAC23144.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q8GAU4; -.
DR   SMR; Q8GAU4; -.
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   Gene3D; 3.40.50.300; -; 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   Pfam; PF00625; Guanylate_kin; 1.
DR   SMART; SM00072; GuKc; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR03263; guanyl_kin; 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; Transferase.
FT   CHAIN           1..205
FT                   /note="Guanylate kinase"
FT                   /id="PRO_0000170616"
FT   DOMAIN          17..195
FT                   /note="Guanylate kinase-like"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00328"
FT   BINDING         24..31
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00328"
SQ   SEQUENCE   205 AA;  22580 MW;  95304DC09FFE242D CRC64;
     MAATFRGTTP VPPDARPRLT VLSGPSGVGK STVVAHLRTV HPEVWLSVSA TTRKPRPGEQ
     HGVQYFFVDD EEFDKLVANG ELLEWAEFAG NRYGTPRKAV LDRLEAGEPV LLEIDLQGAR
     QVRESMADAH LVFLAPPSWE ELVRRLTGRG TEAPEIIERR LAAAKVELAA ETEFDVTLVN
     TSVEDVSREL LALMLRQSGE RDISG