ID   COAX_SALRD              Reviewed;         256 AA.
AC   Q2S560;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   24-JAN-2006, sequence version 1.
DT   03-AUG-2022, entry version 98.
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}; OrderedLocusNames=SRU_0528;
OS   Salinibacter ruber (strain DSM 13855 / M31).
OC   Bacteria; Bacteroidetes; Bacteroidetes Order II. Incertae sedis;
OC   Rhodothermaceae; Salinibacter.
OX   NCBI_TaxID=309807;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 13855 / CECT 5946 / M31;
RX   PubMed=16330755; DOI=10.1073/pnas.0509073102;
RA   Mongodin E.F., Nelson K.E., Daugherty S., DeBoy R.T., Wister J., Khouri H.,
RA   Weidman J., Walsh D.A., Papke R.T., Sanchez Perez G., Sharma A.K.,
RA   Nesbo C.L., MacLeod D., Bapteste E., Doolittle W.F., Charlebois R.L.,
RA   Legault B., Rodriguez-Valera F.;
RT   "The genome of Salinibacter ruber: convergence and gene exchange among
RT   hyperhalophilic bacteria and archaea.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:18147-18152(2005).
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;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01274};
CC       Name=K(+); Xref=ChEBI:CHEBI:29103;
CC         Evidence={ECO:0000255|HAMAP-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; CP000159; ABC44310.1; -; Genomic_DNA.
DR   RefSeq; WP_011403304.1; NC_007677.1.
DR   RefSeq; YP_444671.1; NC_007677.1.
DR   AlphaFoldDB; Q2S560; -.
DR   SMR; Q2S560; -.
DR   STRING; 309807.SRU_0528; -.
DR   EnsemblBacteria; ABC44310; ABC44310; SRU_0528.
DR   KEGG; sru:SRU_0528; -.
DR   eggNOG; COG1521; Bacteria.
DR   HOGENOM; CLU_066627_1_0_10; -.
DR   OMA; HEPWLTL; -.
DR   UniPathway; UPA00241; UER00352.
DR   Proteomes; UP000008674; 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   HAMAP; MF_01274; Pantothen_kinase_3; 1.
DR   InterPro; IPR043129; ATPase_NBD.
DR   InterPro; IPR004619; Type_III_PanK.
DR   PANTHER; PTHR34265; PTHR34265; 1.
DR   Pfam; PF03309; Pan_kinase; 1.
DR   SUPFAM; SSF53067; SSF53067; 2.
DR   TIGRFAMs; TIGR00671; baf; 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..256
FT                   /note="Type III pantothenate kinase"
FT                   /id="PRO_0000267586"
FT   ACT_SITE        106
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         6..13
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         97
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         104..107
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         130
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         133
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         185
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
SQ   SEQUENCE   256 AA;  26704 MW;  9B6FA337E7278097 CRC64;
     MLLALDVGNS AVKAGLFSGD ELVRVFSVDP PDADATDASY WRAELDSALA DATVEHAGLV
     SVVPARTDAV ARGLRGVVDA PLTIVAPEMA LPFTLDYDTP DTLGTDRLAA AAAGWTRYGR
     DASRSVIVVD AGTAVNYEVV HRTGTYRGGA IGPGAVLMRN ALQAGTAQLP DVPLHLPETP
     VGSSTRTALQ SGILWGLIDS VQGMAARLAA QLPDAPRLVL TGGWSNPLID HLTIEAAHAP
     HLVLRGVRLL AEKNRA