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PANCY_SYNR3
ID   PANCY_SYNR3             Reviewed;         512 AA.
AC   A5GVR3;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-JUN-2007, sequence version 1.
DT   03-AUG-2022, entry version 78.
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=SynRCC307_2069;
OS   Synechococcus sp. (strain RCC307).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=316278;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RCC307;
RG   Genoscope;
RL   Submitted (MAY-2006) 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; CT978603; CAK28972.1; -; Genomic_DNA.
DR   RefSeq; WP_011936483.1; NC_009482.1.
DR   AlphaFoldDB; A5GVR3; -.
DR   SMR; A5GVR3; -.
DR   STRING; 316278.SynRCC307_2069; -.
DR   EnsemblBacteria; CAK28972; CAK28972; SynRCC307_2069.
DR   KEGG; syr:SynRCC307_2069; -.
DR   eggNOG; COG0283; Bacteria.
DR   eggNOG; COG0414; Bacteria.
DR   HOGENOM; CLU_037427_0_0_3; -.
DR   OMA; IDHVFLM; -.
DR   OrthoDB; 1661843at2; -.
DR   UniPathway; UPA00028; UER00005.
DR   Proteomes; UP000001115; Chromosome.
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   CDD; cd00560; PanC; 1.
DR   Gene3D; 3.30.1300.10; -; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   Gene3D; 3.40.50.620; -; 1.
DR   HAMAP; MF_00238; Cytidyl_kinase_type1; 1.
DR   HAMAP; MF_00158; PanC; 1.
DR   HAMAP; MF_01349; PanCY; 1.
DR   InterPro; IPR004821; Cyt_trans-like.
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   Pfam; PF02224; Cytidylate_kin; 1.
DR   Pfam; PF02569; Pantoate_ligase; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR00017; cmk; 1.
DR   TIGRFAMs; TIGR00125; cyt_tran_rel; 1.
DR   TIGRFAMs; TIGR00018; panC; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Kinase; Ligase; Multifunctional enzyme;
KW   Nucleotide-binding; Pantothenate biosynthesis; Reference proteome;
KW   Transferase.
FT   CHAIN           1..512
FT                   /note="Bifunctional pantoate ligase/cytidylate kinase"
FT                   /id="PRO_0000333301"
FT   REGION          1..276
FT                   /note="Pantoate--beta-alanine ligase"
FT   REGION          277..512
FT                   /note="Cytidylate kinase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   ACT_SITE        34
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         27..34
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         58
FT                   /ligand="(R)-pantoate"
FT                   /ligand_id="ChEBI:CHEBI:15980"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         58
FT                   /ligand="beta-alanine"
FT                   /ligand_id="ChEBI:CHEBI:57966"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         147..150
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         153
FT                   /ligand="(R)-pantoate"
FT                   /ligand_id="ChEBI:CHEBI:15980"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         176
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
FT   BINDING         184..187
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01349"
SQ   SEQUENCE   512 AA;  55206 MW;  B6ACF2E754363B2E CRC64;
     MKLQTSADLQ RWLQAGGPGP LHLVPTMGAL HQGHAALIRA ARQQGGRVLV SVFVNPLQFS
     PNEDFARYPR RLEEDHALAL EAGADALWAP QPEDVFPAGA AGLTQLAPAP ELVANLCGPS
     RPGHFEGVCT VVSRLLALVQ PSHLHLGEKD WQQLQVLRRL VRDLRWPVQI VPCPTLRERD
     GLPLSSRNAY LSVEQRQQAA LLPQALAQGQ QLLDAGQRQA EPLLRAVRAL MEDGGLAVDY
     LQLVDLPRLQ ELEQVTGPAL LAAAVRCGEA RLIDHRVLMS RLPILAIDGP AGAGKSTVTR
     QVAHELGLTY LDTGAMYRGV TWLLQQRGFE PQEGEPLQAL LADLELRFGP ASGTEQTLLV
     NGVDATSAIR TAEVTASVSA VAALPSVRAA LTQQQQQLGQ QGGLVAEGRD IGTAVFPDAE
     LKIYLTATVA ERARRRAADL AARSLPVPVL SQLEQEIADR DHKDSSREVA PLRQASDAVE
     LLSDGLSIDE VVAQIVALFR EWVPVEALNA DA
 
 
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