ID B4S901_PROA2 Unreviewed; 260 AA.
AC B4S901;
DT 23-SEP-2008, integrated into UniProtKB/TrEMBL.
DT 23-SEP-2008, sequence version 1.
DT 27-MAR-2024, entry version 91.
DE RecName: Full=Type III pantothenate kinase {ECO:0000256|ARBA:ARBA00040883, ECO:0000256|HAMAP-Rule:MF_01274};
DE EC=2.7.1.33 {ECO:0000256|ARBA:ARBA00012102, ECO:0000256|HAMAP-Rule:MF_01274};
DE AltName: Full=PanK-III {ECO:0000256|HAMAP-Rule:MF_01274};
DE AltName: Full=Pantothenic acid kinase {ECO:0000256|HAMAP-Rule:MF_01274};
GN Name=coaX {ECO:0000256|HAMAP-Rule:MF_01274};
GN OrderedLocusNames=Paes_1518 {ECO:0000313|EMBL:ACF46538.1};
OS Prosthecochloris aestuarii (strain DSM 271 / SK 413).
OC Bacteria; Chlorobiota; Chlorobiia; Chlorobiales; Chlorobiaceae;
OC Prosthecochloris.
OX NCBI_TaxID=290512 {ECO:0000313|EMBL:ACF46538.1, ECO:0000313|Proteomes:UP000002725};
RN [1] {ECO:0000313|EMBL:ACF46538.1, ECO:0000313|Proteomes:UP000002725}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 271 / SK 413 {ECO:0000313|Proteomes:UP000002725};
RG US DOE Joint Genome Institute;
RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Anderson I., Liu Z., Li T., Zhao F., Overmann J.,
RA Bryant D.A., Richardson P.;
RT "Complete sequence of chromosome of Prosthecochloris aestuarii DSM 271.";
RL Submitted (JUN-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the phosphorylation of pantothenate (Pan), the
CC first step in CoA biosynthesis. {ECO:0000256|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:0000256|ARBA:ARBA00001206,
CC ECO:0000256|HAMAP-Rule:MF_01274};
CC -!- COFACTOR:
CC Name=K(+); Xref=ChEBI:CHEBI:29103;
CC Evidence={ECO:0000256|ARBA:ARBA00001958};
CC -!- COFACTOR:
CC Name=NH4(+); Xref=ChEBI:CHEBI:28938;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01274};
CC Name=K(+); Xref=ChEBI:CHEBI:29103;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01274};
CC Note=A monovalent cation. Ammonium or potassium. {ECO:0000256|HAMAP-
CC Rule:MF_01274};
CC -!- PATHWAY: Cofactor biosynthesis; coenzyme A biosynthesis; CoA from (R)-
CC pantothenate: step 1/5. {ECO:0000256|ARBA:ARBA00005225,
CC ECO:0000256|HAMAP-Rule:MF_01274}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC Rule:MF_01274}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|HAMAP-Rule:MF_01274}.
CC -!- SIMILARITY: Belongs to the type III pantothenate kinase family.
CC {ECO:0000256|ARBA:ARBA00038036, ECO:0000256|HAMAP-Rule:MF_01274}.
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DR EMBL; CP001108; ACF46538.1; -; Genomic_DNA.
DR AlphaFoldDB; B4S901; -.
DR STRING; 290512.Paes_1518; -.
DR KEGG; paa:Paes_1518; -.
DR eggNOG; COG1521; Bacteria.
DR HOGENOM; CLU_066627_1_0_10; -.
DR UniPathway; UPA00241; UER00352.
DR Proteomes; UP000002725; 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; -; 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 {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_01274};
KW Coenzyme A biosynthesis {ECO:0000256|ARBA:ARBA00022993, ECO:0000256|HAMAP-
KW Rule:MF_01274};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01274};
KW Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|HAMAP-Rule:MF_01274};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_01274};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01274};
KW Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|HAMAP-Rule:MF_01274};
KW Reference proteome {ECO:0000313|Proteomes:UP000002725};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01274}.
FT ACT_SITE 108
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01274"
FT BINDING 9..16
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01274"
FT BINDING 99
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01274"
FT BINDING 106..109
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01274"
FT BINDING 129
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01274"
FT BINDING 132
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01274"
FT BINDING 184
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01274"
SQ SEQUENCE 260 AA; 28251 MW; 7C98BDEC91FF64EA CRC64;
MREALLIIEI GNSSTDIAVF QQDRCLECLR VPTISLASLR DIESSLNELL QRHQTIRVAG
VCSVVPRLTD LFAVALKELF SMRIVGIDST LDLPFRFEYS PRESFGPDRI ALLAISAGIY
PQKAVIAVDI GTAMTFDVLD SSHRYRGGMI LPGIDLMAFS LHDRTARLPL VRISDSASLL
GRSTESCIRS GIYWGCIKQV DGILGEIRDF LQTETGDTDV EVLMTGGNCR MVASGLSVAV
TVDEHAVLKG AGMLVGMNSA
//
