ID PANC_PARXL Reviewed; 277 AA. AC Q143J2; DT 02-OCT-2007, integrated into UniProtKB/Swiss-Prot. DT 22-AUG-2006, sequence version 1. DT 27-MAR-2024, entry version 100. 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=Bxeno_A0959; ORFNames=Bxe_A3488; OS Paraburkholderia xenovorans (strain LB400). OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales; OC Burkholderiaceae; Paraburkholderia. OX NCBI_TaxID=266265; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=LB400; RX PubMed=17030797; DOI=10.1073/pnas.0606924103; RA Chain P.S.G., Denef V.J., Konstantinidis K.T., Vergez L.M., Agullo L., RA Reyes V.L., Hauser L., Cordova M., Gomez L., Gonzalez M., Land M., Lao V., RA Larimer F., LiPuma J.J., Mahenthiralingam E., Malfatti S.A., Marx C.J., RA Parnell J.J., Ramette A., Richardson P., Seeger M., Smith D., Spilker T., RA Sul W.J., Tsoi T.V., Ulrich L.E., Zhulin I.B., Tiedje J.M.; RT "Burkholderia xenovorans LB400 harbors a multi-replicon, 9.73-Mbp genome RT shaped for versatility."; RL Proc. Natl. Acad. Sci. U.S.A. 103:15280-15287(2006). 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; CP000270; ABE29497.1; -; Genomic_DNA. DR RefSeq; WP_011487256.1; NZ_CP008760.1. DR AlphaFoldDB; Q143J2; -. DR SMR; Q143J2; -. DR STRING; 266265.Bxe_A3488; -. DR KEGG; bxb:DR64_1191; -. DR KEGG; bxe:Bxe_A3488; -. DR PATRIC; fig|266265.5.peg.977; -. DR eggNOG; COG0414; Bacteria. DR OrthoDB; 9773087at2; -. DR UniPathway; UPA00028; UER00005. DR Proteomes; UP000001817; Chromosome 1. 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..277 FT /note="Pantothenate synthetase" FT /id="PRO_0000305419" FT ACT_SITE 33 FT /note="Proton donor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 26..33 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 57 FT /ligand="(R)-pantoate" FT /ligand_id="ChEBI:CHEBI:15980" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 57 FT /ligand="beta-alanine" FT /ligand_id="ChEBI:CHEBI:57966" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 144..147 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 150 FT /ligand="(R)-pantoate" FT /ligand_id="ChEBI:CHEBI:15980" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 173 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 181..184 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" SQ SEQUENCE 277 AA; 31132 MW; 4B55FB5D0BF6C88E CRC64; MKVISSIHEL RDQLRGQNRT AFVPTMGNLH EGHLSLMRLA RQHGDPVVAS IFVNRLQFGP NEDFDKYPRT MEADIEKLQK ENVYVLFAPT EKDLYPEPQE YRVHPPHDLG DILEGEFRPG FFQGVCTVVM KLMSCVQPRV AVFGKKDYQQ LMIVRRMCNQ FALPTDIIAA ETVRDADGLA LSSRNRYLQA AERAEAPRLA AELNQVREAV LGGERDFAKI ERAAMAALAA RGWQPDYIAV RKRSNLLPPG PEDANAELVV LAAARLGATR LIDNLEI //