ID COAX_RHOCS Reviewed; 261 AA.
AC B6ISW6;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 16-DEC-2008, sequence version 1.
DT 27-MAR-2024, entry version 76.
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=RC1_1225;
OS Rhodospirillum centenum (strain ATCC 51521 / SW).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Rhodospirillaceae; Rhodospirillum.
OX NCBI_TaxID=414684;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51521 / SW;
RA Touchman J.W., Bauer C., Blankenship R.E.;
RT "Genome sequence of Rhodospirillum centenum.";
RL Submitted (MAR-2007) 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; CP000613; ACI98637.1; -; Genomic_DNA.
DR RefSeq; WP_012566425.1; NC_011420.2.
DR AlphaFoldDB; B6ISW6; -.
DR SMR; B6ISW6; -.
DR STRING; 414684.RC1_1225; -.
DR KEGG; rce:RC1_1225; -.
DR eggNOG; COG1521; Bacteria.
DR HOGENOM; CLU_066627_1_0_5; -.
DR OrthoDB; 9804707at2; -.
DR UniPathway; UPA00241; UER00352.
DR Proteomes; UP000001591; 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; Reference proteome; Transferase.
FT CHAIN 1..261
FT /note="Type III pantothenate kinase"
FT /id="PRO_1000140255"
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 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 261 AA; 27443 MW; 488A681AF2632303 CRC64;
MLLAIDAGNT NVVFAVFEGD VKRGQWRVST DGRRTADEHA VWLVALMAMK GLTPKDIHAA
ILSSVVPAQT GPLTTLCEEH FGCTPMRVGD PGVRLGLEVR IDNPKEAGAD RLVNAVAAVA
TYPPPLVVID IGTGTTFDVV DANGDFAGGV IAPGPVLSLD ALHRVAAQLP KVDILRPDRV
IGKGTVAAMQ SGMFWGYTGM IEGILTRIKA ELSPTGDPPV TVIGTGGLVR LFAEGSSLVD
AIDADLTLRG LRLIHQRNAA R
//
