ID   PANCY_SYNSC             Reviewed;         480 AA.
AC   Q3AMJ0;
DT   13-JUN-2006, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   27-MAR-2024, entry version 97.
DE   RecName: Full=Bifunctional pantoate ligase/cytidylate kinase {ECO:0000255|HAMAP-Rule:MF_01349};
DE   Includes:
DE     RecName: Full=Pantothenate synthetase {ECO:0000255|HAMAP-Rule:MF_01349};
DE              Short=PS {ECO:0000255|HAMAP-Rule:MF_01349};
DE              EC=6.3.2.1 {ECO:0000255|HAMAP-Rule:MF_01349};
DE     AltName: Full=Pantoate--beta-alanine ligase {ECO:0000255|HAMAP-Rule:MF_01349};
DE     AltName: Full=Pantoate-activating enzyme {ECO:0000255|HAMAP-Rule:MF_01349};
DE   Includes:
DE     RecName: Full=Cytidylate kinase {ECO:0000255|HAMAP-Rule:MF_01349};
DE              Short=CK {ECO:0000255|HAMAP-Rule:MF_01349};
DE              EC=2.7.4.25 {ECO:0000255|HAMAP-Rule:MF_01349};
DE     AltName: Full=Cytidine monophosphate kinase {ECO:0000255|HAMAP-Rule:MF_01349};
DE              Short=CMP kinase {ECO:0000255|HAMAP-Rule:MF_01349};
GN   Name=panC/cmk {ECO:0000255|HAMAP-Rule:MF_01349};
GN   OrderedLocusNames=Syncc9605_0416;
OS   Synechococcus sp. (strain CC9605).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Synechococcaceae;
OC   Synechococcus.
OX   NCBI_TaxID=110662;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CC9605;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Schmutz J., Martinez M., Larimer F.,
RA   Land M., Kyrpides N., Ivanova N., Richardson P.;
RT   "Complete sequence of Synechococcus sp. CC9605.";
RL   Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the condensation of pantoate with beta-alanine in
CC       an ATP-dependent reaction via a pantoyl-adenylate intermediate.
CC       {ECO:0000255|HAMAP-Rule:MF_01349}.
CC   -!- FUNCTION: Catalyzes the transfer of a phosphate group from ATP to
CC       either CMP or dCMP to form CDP or dCDP and ADP, respectively.
CC       {ECO:0000255|HAMAP-Rule:MF_01349}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(R)-pantoate + ATP + beta-alanine = (R)-pantothenate + AMP +
CC         diphosphate + H(+); Xref=Rhea:RHEA:10912, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:15980, ChEBI:CHEBI:29032, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:57966, ChEBI:CHEBI:456215; EC=6.3.2.1;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01349};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + CMP = ADP + CDP; Xref=Rhea:RHEA:11600,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:58069, ChEBI:CHEBI:60377,
CC         ChEBI:CHEBI:456216; EC=2.7.4.25; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01349};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + dCMP = ADP + dCDP; Xref=Rhea:RHEA:25094,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:57566, ChEBI:CHEBI:58593,
CC         ChEBI:CHEBI:456216; EC=2.7.4.25; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01349};
CC   -!- PATHWAY: Cofactor biosynthesis; (R)-pantothenate biosynthesis; (R)-
CC       pantothenate from (R)-pantoate and beta-alanine: step 1/1.
CC       {ECO:0000255|HAMAP-Rule:MF_01349}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01349}.
CC   -!- SIMILARITY: In the N-terminal section; belongs to the pantothenate
CC       synthetase family. {ECO:0000255|HAMAP-Rule:MF_01349}.
CC   -!- SIMILARITY: In the C-terminal section; belongs to the cytidylate kinase
CC       family. Type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_01349}.
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DR   EMBL; CP000110; ABB34192.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q3AMJ0; -.
DR   SMR; Q3AMJ0; -.
DR   STRING; 110662.Syncc9605_0416; -.
DR   KEGG; syd:Syncc9605_0416; -.
DR   eggNOG; COG0283; Bacteria.
DR   eggNOG; COG0414; Bacteria.
DR   HOGENOM; CLU_037427_0_0_3; -.
DR   UniPathway; UPA00028; UER00005.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0036430; F:CMP kinase activity; IEA:RHEA.
DR   GO; GO:0036431; F:dCMP kinase activity; IEA:RHEA.
DR   GO; GO:0004592; F:pantoate-beta-alanine ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0015940; P:pantothenate biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0006220; P:pyrimidine nucleotide metabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02020; CMPK; 1.
DR   Gene3D; 3.40.50.620; HUPs; 1.
DR   Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR   Gene3D; 3.30.1300.10; Pantoate-beta-alanine ligase, C-terminal domain; 1.
DR   HAMAP; MF_00238; Cytidyl_kinase_type1; 1.
DR   HAMAP; MF_00158; PanC; 1.
DR   HAMAP; MF_01349; PanCY; 1.
DR   InterPro; IPR003136; Cytidylate_kin.
DR   InterPro; IPR011994; Cytidylate_kinase_dom.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR003721; Pantoate_ligase.
DR   InterPro; IPR024894; Pantoate_ligase/cytidylate_kin.
DR   InterPro; IPR042176; Pantoate_ligase_C.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   NCBIfam; TIGR00017; cmk; 1.
DR   NCBIfam; TIGR00018; panC; 1.
DR   PANTHER; PTHR21299; CYTIDYLATE KINASE/PANTOATE-BETA-ALANINE LIGASE; 1.
DR   PANTHER; PTHR21299:SF1; PANTOATE--BETA-ALANINE LIGASE; 1.
DR   Pfam; PF02224; Cytidylate_kin; 1.
DR   Pfam; PF02569; Pantoate_ligase; 1.
DR   SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR   SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Kinase; Ligase; Multifunctional enzyme;
KW   Nucleotide-binding; Pantothenate biosynthesis; Transferase.
FT   CHAIN           1..480
FT                   /note="Bifunctional pantoate ligase/cytidylate kinase"
FT                   /id="PRO_0000239801"
FT   REGION          1..243
FT                   /note="Pantoate--beta-alanine ligase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   REGION          244..480
FT                   /note="Cytidylate kinase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   ACT_SITE        11
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         4..11
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         34
FT                   /ligand="(R)-pantoate"
FT                   /ligand_id="ChEBI:CHEBI:15980"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         34
FT                   /ligand="beta-alanine"
FT                   /ligand_id="ChEBI:CHEBI:57966"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         123..126
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         129
FT                   /ligand="(R)-pantoate"
FT                   /ligand_id="ChEBI:CHEBI:15980"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         152
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         160..163
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
SQ   SEQUENCE   480 AA;  51297 MW;  788E57AE99718559 CRC64;
     MPTMGGLHQG HGELIRRASE QGPVLVSVFV NPLQFGPAED FDRYPRTLEA DRGLAECCGA
     HALWAPSVDA IYPSGLPSAV SRSAPAGLQT HLCGASRPGH FDGVVTVVAR LLQLVEPSCL
     WLGEKDWQQL VILRRLVVDL DLGVVVKGVP TVRESDGLAL SSRNQYLFPA DRARAAALPA
     ALRHADPSDP ESSVRQSLAK AGLEVEYVER VDPRTLQPCG PETAISLLAA AVRCGTTRLI
     DHVFLMTRQP LVAIDGPAGA GKSTVTRAFA ERMGLVYLDT GAMYRSVTWL VQQNGVDHQD
     AVSIAPLLND LDLQLKSLPG GGQQVLVNGQ DVSDAIRSPE VTASVSAVAA HRCVRQALTA
     QQKAMGAKGG LVAEGRDIGT AVFPDADLKV FLTATVGERA RRRALDLEQR GFPVPERSEL
     EAQIAERDHL DSTREEAPLV QADDALELVT DGMSIEAVID ALVGQFRSRV GEEAWPTPAG
//