ID PANC_BACTN Reviewed; 282 AA. AC Q89ZR8; DT 02-OCT-2007, integrated into UniProtKB/Swiss-Prot. DT 01-JUN-2003, sequence version 1. DT 27-MAR-2024, entry version 108. 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=BT_4308; OS Bacteroides thetaiotaomicron (strain ATCC 29148 / DSM 2079 / JCM 5827 / OS CCUG 10774 / NCTC 10582 / VPI-5482 / E50). OC Bacteria; Bacteroidota; Bacteroidia; Bacteroidales; Bacteroidaceae; OC Bacteroides. OX NCBI_TaxID=226186; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 29148 / DSM 2079 / JCM 5827 / CCUG 10774 / NCTC 10582 / RC VPI-5482 / E50; RX PubMed=12663928; DOI=10.1126/science.1080029; RA Xu J., Bjursell M.K., Himrod J., Deng S., Carmichael L.K., Chiang H.C., RA Hooper L.V., Gordon J.I.; RT "A genomic view of the human-Bacteroides thetaiotaomicron symbiosis."; RL Science 299:2074-2076(2003). 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; AE015928; AAO79413.1; -; Genomic_DNA. DR RefSeq; NP_813219.1; NC_004663.1. DR RefSeq; WP_008764495.1; NC_004663.1. DR AlphaFoldDB; Q89ZR8; -. DR SMR; Q89ZR8; -. DR STRING; 226186.BT_4308; -. DR PaxDb; 226186-BT_4308; -. DR EnsemblBacteria; AAO79413; AAO79413; BT_4308. DR GeneID; 60925486; -. DR KEGG; bth:BT_4308; -. DR PATRIC; fig|226186.12.peg.4384; -. DR eggNOG; COG0414; Bacteria. DR HOGENOM; CLU_047148_0_0_10; -. DR InParanoid; Q89ZR8; -. DR OrthoDB; 9773087at2; -. DR UniPathway; UPA00028; UER00005. DR Proteomes; UP000001414; Chromosome. DR GO; GO:0005829; C:cytosol; IBA:GO_Central. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW. DR GO; GO:0004592; F:pantoate-beta-alanine ligase activity; IBA:GO_Central. DR GO; GO:0015940; P:pantothenate biosynthetic process; IBA:GO_Central. 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; IPR003721; Pantoate_ligase. DR InterPro; IPR042176; Pantoate_ligase_C. DR InterPro; IPR014729; Rossmann-like_a/b/a_fold. 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; Reference proteome. FT CHAIN 1..282 FT /note="Pantothenate synthetase" FT /id="PRO_0000305400" 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; 31564 MW; F2D107024D54785E CRC64; MKVIHTIKDL QAELTALRAQ GKKVGLVPTM GALHAGHASL VKRSVSENGV TVVSVFVNPT QFNDKNDLAK YPRTLDADCR LLEDCGAAFA FAPSVEEMYP QPDTREFSYA PLDTVMEGAF RPGHFNGVCQ IVSKLFDAVQ PDRAYFGEKD FQQLAIIREM VRQMDYKLEI VGCPIVREED GLALSSRNKR LSARERENAL NISQTLFKSR TFAASHTVSE TQKMVEEAIE DAPGLRLEYF EIVDGNTLQK VSSWEDSLYV VGCITVFCGE VRLIDNIKYK EI //