ID   COAX_SYNY3              Reviewed;         257 AA.
AC   P74045;
DT   09-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   27-MAR-2024, entry version 127.
DE   RecName: Full=Type III pantothenate kinase {ECO:0000255|HAMAP-Rule:MF_01274};
DE            EC=2.7.1.33 {ECO:0000255|HAMAP-Rule:MF_01274};
DE   AltName: Full=PanK-III {ECO:0000255|HAMAP-Rule:MF_01274};
DE   AltName: Full=Pantothenic acid kinase {ECO:0000255|HAMAP-Rule:MF_01274};
GN   Name=coaX {ECO:0000255|HAMAP-Rule:MF_01274};
GN   OrderedLocusNames=slr0812;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteriota; Cyanophyceae; Synechococcales; Merismopediaceae;
OC   Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
CC   -!- FUNCTION: Catalyzes the phosphorylation of pantothenate (Pan), the
CC       first step in CoA biosynthesis. {ECO:0000255|HAMAP-Rule:MF_01274}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(R)-pantothenate + ATP = (R)-4'-phosphopantothenate + ADP +
CC         H(+); Xref=Rhea:RHEA:16373, ChEBI:CHEBI:10986, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:29032, ChEBI:CHEBI:30616, ChEBI:CHEBI:456216;
CC         EC=2.7.1.33; Evidence={ECO:0000255|HAMAP-Rule:MF_01274};
CC   -!- COFACTOR:
CC       Name=NH4(+); Xref=ChEBI:CHEBI:28938; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01274};
CC       Name=K(+); Xref=ChEBI:CHEBI:29103; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01274};
CC       Note=A monovalent cation. Ammonium or potassium. {ECO:0000255|HAMAP-
CC       Rule:MF_01274};
CC   -!- PATHWAY: Cofactor biosynthesis; coenzyme A biosynthesis; CoA from (R)-
CC       pantothenate: step 1/5. {ECO:0000255|HAMAP-Rule:MF_01274}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01274}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01274}.
CC   -!- SIMILARITY: Belongs to the type III pantothenate kinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01274}.
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DR   EMBL; BA000022; BAA18120.1; -; Genomic_DNA.
DR   PIR; S75559; S75559.
DR   AlphaFoldDB; P74045; -.
DR   SMR; P74045; -.
DR   IntAct; P74045; 1.
DR   STRING; 1148.gene:10498991; -.
DR   PaxDb; 1148-1653204; -.
DR   EnsemblBacteria; BAA18120; BAA18120; BAA18120.
DR   KEGG; syn:slr0812; -.
DR   eggNOG; COG1521; Bacteria.
DR   InParanoid; P74045; -.
DR   PhylomeDB; P74045; -.
DR   UniPathway; UPA00241; UER00352.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0004594; F:pantothenate kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0015937; P:coenzyme A biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   Gene3D; 3.30.420.40; -; 1.
DR   HAMAP; MF_01274; Pantothen_kinase_3; 1.
DR   InterPro; IPR043129; ATPase_NBD.
DR   InterPro; IPR004619; Type_III_PanK.
DR   NCBIfam; TIGR00671; baf; 1.
DR   PANTHER; PTHR34265; TYPE III PANTOTHENATE KINASE; 1.
DR   PANTHER; PTHR34265:SF1; TYPE III PANTOTHENATE KINASE; 1.
DR   Pfam; PF03309; Pan_kinase; 1.
DR   SUPFAM; SSF53067; Actin-like ATPase domain; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Coenzyme A biosynthesis; Cytoplasm; Kinase; Metal-binding;
KW   Nucleotide-binding; Potassium; Reference proteome; Transferase.
FT   CHAIN           1..257
FT                   /note="Type III pantothenate kinase"
FT                   /id="PRO_0000270905"
FT   ACT_SITE        102
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         24..31
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         96
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         100..103
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         122
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         125
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         180
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
SQ   SEQUENCE   257 AA;  27702 MW;  4291E51EE91FB4A2 CRC64;
     METSKPGCGL ALDNDKQKPW LGLMIGNSRL HWAYCSGNAP LQTWVTDYNP KSAQLPVLLG
     KVPLMLASVV PEQTEVWRVY QPKILTLKNL PLVNLYPSFG IDRALAGLGT GLTYGFPCLV
     VDGGTALTIT GFDQDKKLVG GAILPGLGLQ LATLGDRLAA LPKLEMDQLT ELPDRWALDT
     PSAIFSGVVY GVLGALQSYL QDWQKLFPGA AMVITGGDGK ILHGFLKEHS PNLSVAWDDN
     LIFLGMAAIH HGDRPIC
//