ID   COAX_ALKCK              Reviewed;         256 AA.
AC   Q5WLV5;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   03-AUG-2022, entry version 94.
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=ABC0107;
OS   Alkalihalobacillus clausii (strain KSM-K16) (Bacillus clausii).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Alkalihalobacillus.
OX   NCBI_TaxID=66692;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KSM-K16;
RA   Takaki Y., Kageyama Y., Shimamura S., Suzuki H., Nishi S., Hatada Y.,
RA   Kawai S., Ito S., Horikoshi K.;
RT   "The complete genome sequence of the alkaliphilic Bacillus clausii KSM-
RT   K16.";
RL   Submitted (OCT-2003) to the EMBL/GenBank/DDBJ databases.
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; AP006627; BAD62650.1; -; Genomic_DNA.
DR   RefSeq; WP_011244971.1; NC_006582.1.
DR   AlphaFoldDB; Q5WLV5; -.
DR   SMR; Q5WLV5; -.
DR   STRING; 66692.ABC0107; -.
DR   EnsemblBacteria; BAD62650; BAD62650; ABC0107.
DR   GeneID; 61575193; -.
DR   KEGG; bcl:ABC0107; -.
DR   eggNOG; COG1521; Bacteria.
DR   HOGENOM; CLU_066627_1_0_9; -.
DR   OMA; HEPWLTL; -.
DR   OrthoDB; 2039419at2; -.
DR   UniPathway; UPA00241; UER00352.
DR   Proteomes; UP000001168; 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_0000267495"
FT   ACT_SITE        110
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         101
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT   BINDING         108..111
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;  27945 MW;  DA0227DB1B244C64 CRC64;
     MMLAIDIGNS SIVTGVYDEN DQLAFIFRIA TTHDKTSDEY AMLLHSFFEQ KGCRFNDVTG
     VIIASVVPTI MHRFRRMCQD YLHVTPLIVG PGIRTGLSIH YQDPKEVGAD RIANAVAAIA
     RYGAPCIVVD IGTATTFCCI DAKHRYRGGV IAPGAAISTA ALSNKASKLP KIELTKPASV
     VGKTTVASME SGTFYGHIAM IDGVVERIKE EQRLDDAKVI ATGGLAYLYA EESKQIQHLE
     QELTLSGLKY IYDKNQ