ID COAX_EXISA Reviewed; 254 AA.
AC C4KZT8;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 07-JUL-2009, sequence version 1.
DT 27-MAR-2024, entry version 75.
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=EAT1b_1675;
OS Exiguobacterium sp. (strain ATCC BAA-1283 / AT1b).
OC Bacteria; Bacillota; Bacilli; Bacillales;
OC Bacillales Family XII. Incertae Sedis; Exiguobacterium.
OX NCBI_TaxID=360911;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1283 / AT1b;
RX PubMed=21460088; DOI=10.1128/jb.00303-11;
RA Vishnivetskaya T.A., Lucas S., Copeland A., Lapidus A., Glavina del Rio T.,
RA Dalin E., Tice H., Bruce D.C., Goodwin L.A., Pitluck S., Saunders E.,
RA Brettin T., Detter C., Han C., Larimer F., Land M.L., Hauser L.J.,
RA Kyrpides N.C., Ovchinnikova G., Kathariou S., Ramaley R.F., Rodrigues D.F.,
RA Hendrix C., Richardson P., Tiedje J.M.;
RT "Complete genome sequence of the Thermophilic Bacterium Exiguobacterium sp.
RT AT1b.";
RL J. Bacteriol. 193:2880-2881(2011).
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; CP001615; ACQ70601.1; -; Genomic_DNA.
DR RefSeq; WP_012727719.1; NC_012673.1.
DR AlphaFoldDB; C4KZT8; -.
DR SMR; C4KZT8; -.
DR STRING; 360911.EAT1b_1675; -.
DR KEGG; eat:EAT1b_1675; -.
DR eggNOG; COG1521; Bacteria.
DR HOGENOM; CLU_066627_1_0_9; -.
DR OrthoDB; 9804707at2; -.
DR UniPathway; UPA00241; UER00352.
DR Proteomes; UP000000716; 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 CDD; cd00012; NBD_sugar-kinase_HSP70_actin; 1.
DR Gene3D; 3.30.420.40; -; 2.
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; 2.
PE 3: Inferred from homology;
KW ATP-binding; Coenzyme A biosynthesis; Cytoplasm; Kinase; Metal-binding;
KW Nucleotide-binding; Potassium; Transferase.
FT CHAIN 1..254
FT /note="Type III pantothenate kinase"
FT /id="PRO_1000214187"
FT ACT_SITE 109
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 107..110
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT BINDING 129
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT BINDING 132
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
FT BINDING 184
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01274"
SQ SEQUENCE 254 AA; 28089 MW; 61907D814621A528 CRC64;
MILVIDVGNT NIVLGMYDGD NLVHHWRIST DRTKTTDEYG MLVKSLFDHS NVSFEQVEGV
ILSSVVPPVI FPLEQMSQRY FNVRPIVVGP GVKTGLDIHV ENPREVGADR IVNAVAGIAK
YDGPLIIVDF GTATTYCYID EKRRYHGGII SPGIMISVEA LYQRAAKLPR IELATPPTVI
GKNTIQAMQS GTYYGYVAQV DGIVNRMKRE VGEATVIATG GLARLISEHA ETIDHVDSFL
TLEGLRLIYE RNQK
//
