ID PANC_BRASB Reviewed; 283 AA. AC A5EKW3; DT 02-OCT-2007, integrated into UniProtKB/Swiss-Prot. DT 12-JUN-2007, sequence version 1. DT 27-MAR-2024, entry version 83. 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=BBta_4783; OS Bradyrhizobium sp. (strain BTAi1 / ATCC BAA-1182). OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales; OC Nitrobacteraceae; Bradyrhizobium. OX NCBI_TaxID=288000; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=BTAi1 / ATCC BAA-1182; RX PubMed=17540897; DOI=10.1126/science.1139548; RA Giraud E., Moulin L., Vallenet D., Barbe V., Cytryn E., Avarre J.-C., RA Jaubert M., Simon D., Cartieaux F., Prin Y., Bena G., Hannibal L., RA Fardoux J., Kojadinovic M., Vuillet L., Lajus A., Cruveiller S., Rouy Z., RA Mangenot S., Segurens B., Dossat C., Franck W.L., Chang W.-S., Saunders E., RA Bruce D., Richardson P., Normand P., Dreyfus B., Pignol D., Stacey G., RA Emerich D., Vermeglio A., Medigue C., Sadowsky M.; RT "Legumes symbioses: absence of nod genes in photosynthetic bradyrhizobia."; RL Science 316:1307-1312(2007). 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; CP000494; ABQ36807.1; -; Genomic_DNA. DR RefSeq; WP_012044791.1; NC_009485.1. DR AlphaFoldDB; A5EKW3; -. DR SMR; A5EKW3; -. DR STRING; 288000.BBta_4783; -. DR KEGG; bbt:BBta_4783; -. DR eggNOG; COG0414; Bacteria. DR HOGENOM; CLU_047148_0_2_5; -. DR OrthoDB; 9773087at2; -. DR UniPathway; UPA00028; UER00005. DR Proteomes; UP000000246; 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..283 FT /note="Pantothenate synthetase" FT /id="PRO_0000305410" FT ACT_SITE 41 FT /note="Proton donor" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 34..41 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 65 FT /ligand="(R)-pantoate" FT /ligand_id="ChEBI:CHEBI:15980" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 65 FT /ligand="beta-alanine" FT /ligand_id="ChEBI:CHEBI:57966" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 152..155 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 158 FT /ligand="(R)-pantoate" FT /ligand_id="ChEBI:CHEBI:15980" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 181 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" FT BINDING 189..192 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00158" SQ SEQUENCE 283 AA; 31337 MW; 1EFC4C1FE5AF086D CRC64; MSRTPRVARS LSALRRELDS LRARKATVAL VPTMGALHDG HISLVRQAKR RADKVVVSIF VNPTQFAPTE DFGSYPRTWK EDVAKLAAER VDLIWHPDAK AMYPDGFTTR IVPEGPALAG LEDRFRPHFF GGVATVVAKL FAQCRPDVAI FGEKDYQQLR VVTQMARDLD LGVRVVGSRT VRERDGLAMS SRNVYLSADE RRVAPTLHRA LKELASRLRA GGDMQDALRD GNATITQAGF DLDYLEVRHA ETLAPVTQDE SGPKRILVAA RIGTTRLIDN IAV //