ID PANC_CALBD Reviewed; 282 AA. AC B9ML77; DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot. DT 24-MAR-2009, sequence version 1. DT 27-MAR-2024, entry version 75. DE RecName: Full=Pantothenate synthetase {ECO:0000255|HAMAP-Rule:MF_00158}; DE Short=PS {ECO:0000255|HAMAP-Rule:MF_00158}; DE EC=6.3.2.1 {ECO:0000255|HAMAP-Rule:MF_00158}; DE AltName: Full=Pantoate--beta-alanine ligase {ECO:0000255|HAMAP-Rule:MF_00158}; DE AltName: Full=Pantoate-activating enzyme {ECO:0000255|HAMAP-Rule:MF_00158}; GN Name=panC {ECO:0000255|HAMAP-Rule:MF_00158}; GN OrderedLocusNames=Athe_1980; OS Caldicellulosiruptor bescii (strain ATCC BAA-1888 / DSM 6725 / KCTC 15123 / OS Z-1320) (Anaerocellum thermophilum). OC Bacteria; Bacillota; Clostridia; Caldicellulosiruptorales; OC Caldicellulosiruptoraceae; Caldicellulosiruptor. OX NCBI_TaxID=521460; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC BAA-1888 / DSM 6725 / KCTC 15123 / Z-1320; RA Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Tice H., Bruce D., RA Goodwin L., Pitluck S., Sims D., Meincke L., Brettin T., Detter J.C., RA Han C., Larimer F., Land M., Hauser L., Kyrpides N., Ovchinnikova G., RA Kataeva I., Adams M.W.W.; RT "Complete sequence of chromosome of Anaerocellum thermophilum DSM 6725."; RL Submitted (JAN-2009) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Catalyzes the condensation of pantoate with beta-alanine in CC an ATP-dependent reaction via a pantoyl-adenylate intermediate. CC {ECO:0000255|HAMAP-Rule:MF_00158}. CC -!- CATALYTIC ACTIVITY: CC Reaction=(R)-pantoate + ATP + beta-alanine = (R)-pantothenate + AMP + CC diphosphate + H(+); Xref=Rhea:RHEA:10912, ChEBI:CHEBI:15378, CC ChEBI:CHEBI:15980, ChEBI:CHEBI:29032, ChEBI:CHEBI:30616, CC ChEBI:CHEBI:33019, ChEBI:CHEBI:57966, ChEBI:CHEBI:456215; EC=6.3.2.1; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00158}; CC -!- PATHWAY: Cofactor biosynthesis; (R)-pantothenate biosynthesis; (R)- CC pantothenate from (R)-pantoate and beta-alanine: step 1/1. CC {ECO:0000255|HAMAP-Rule:MF_00158}. CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00158}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00158}. CC -!- MISCELLANEOUS: The reaction proceeds by a bi uni uni bi ping pong CC mechanism. {ECO:0000255|HAMAP-Rule:MF_00158}. CC -!- SIMILARITY: Belongs to the pantothenate synthetase family. CC {ECO:0000255|HAMAP-Rule:MF_00158}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP001393; ACM61067.1; -; Genomic_DNA. DR RefSeq; WP_015908352.1; NC_012034.1. DR AlphaFoldDB; B9ML77; -. DR SMR; B9ML77; -. DR STRING; 521460.Athe_1980; -. DR GeneID; 31773332; -. DR KEGG; ate:Athe_1980; -. DR eggNOG; COG0414; Bacteria. DR HOGENOM; CLU_047148_0_0_9; -. DR UniPathway; UPA00028; UER00005. DR Proteomes; UP000007723; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW. DR GO; GO:0004592; F:pantoate-beta-alanine ligase activity; IEA:UniProtKB-UniRule. DR GO; GO:0015940; P:pantothenate biosynthetic process; IEA:UniProtKB-UniRule. DR CDD; cd00560; PanC; 1. DR Gene3D; 3.40.50.620; HUPs; 1. DR Gene3D; 3.30.1300.10; Pantoate-beta-alanine ligase, C-terminal domain; 1. DR HAMAP; MF_00158; PanC; 1. DR InterPro; IPR004821; Cyt_trans-like. DR InterPro; IPR003721; Pantoate_ligase. DR InterPro; IPR042176; Pantoate_ligase_C. DR InterPro; IPR014729; Rossmann-like_a/b/a_fold. DR NCBIfam; TIGR00125; cyt_tran_rel; 1. DR NCBIfam; TIGR00018; panC; 1. DR PANTHER; PTHR21299; CYTIDYLATE KINASE/PANTOATE-BETA-ALANINE LIGASE; 1. DR PANTHER; PTHR21299:SF1; PANTOATE--BETA-ALANINE LIGASE; 1. DR Pfam; PF02569; Pantoate_ligase; 1. DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1. PE 3: Inferred from homology; KW ATP-binding; Cytoplasm; Ligase; Nucleotide-binding; KW Pantothenate biosynthesis. FT CHAIN 1..282 FT /note="Pantothenate synthetase" FT /id="PRO_1000123397" FT ACT_SITE 37 FT /note="Proton donor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 30..37 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 61 FT /ligand="(R)-pantoate" FT /ligand_id="ChEBI:CHEBI:15980" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 61 FT /ligand="beta-alanine" FT /ligand_id="ChEBI:CHEBI:57966" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 147..150 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 153 FT /ligand="(R)-pantoate" FT /ligand_id="ChEBI:CHEBI:15980" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 176 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 184..187 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" SQ SEQUENCE 282 AA; 32242 MW; 0EF1D2949F80EE13 CRC64; MVVVQKIQEM KEIAKKLKKE GKSIGFVPTM GYLHEGHLSL VRLSKQQNDI TIMSIFVNPI QFGPNEDYDR YPRDFERDKS LAEKEGVDYI FYPSVEEMYP EDFKTVVSVK KITEIMCGKS RPGHFDGVAT VVLKLFNIVN PDRAYFGQKD AQQLAVIKQM VKDLNLDVEI VPCPIVREQD GLAMSSRNVY LSEEERKSAT VLYRALNLAK EMIEKGQKDV SSIKRAMEEM ILKEKYTKID YIEFVNNDTF EIISKVEGKV LIALAVFVGK ARLIDNIVVE AK //