ID COAD_ECOLI Reviewed; 159 AA. AC P0A6I6; P23875; Q2M7U8; DT 29-MAR-2005, integrated into UniProtKB/Swiss-Prot. DT 29-MAR-2005, sequence version 1. DT 27-MAR-2024, entry version 148. DE RecName: Full=Phosphopantetheine adenylyltransferase {ECO:0000255|HAMAP-Rule:MF_00151, ECO:0000303|PubMed:10480925}; DE EC=2.7.7.3 {ECO:0000255|HAMAP-Rule:MF_00151, ECO:0000269|PubMed:10480925, ECO:0000269|PubMed:17873050}; DE AltName: Full=Dephospho-CoA pyrophosphorylase {ECO:0000255|HAMAP-Rule:MF_00151}; DE AltName: Full=Pantetheine-phosphate adenylyltransferase {ECO:0000255|HAMAP-Rule:MF_00151}; DE Short=PPAT {ECO:0000255|HAMAP-Rule:MF_00151, ECO:0000303|PubMed:10480925}; GN Name=coaD {ECO:0000255|HAMAP-Rule:MF_00151, GN ECO:0000303|PubMed:10480925}; GN Synonyms=kdtB {ECO:0000303|PubMed:1577693}, yicA; GN OrderedLocusNames=b3634, JW3609; OS Escherichia coli (strain K12). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Escherichia. OX NCBI_TaxID=83333; RN [1] RP NUCLEOTIDE SEQUENCE [GENOMIC DNA]. RC STRAIN=K12; RX PubMed=2033061; DOI=10.1016/s0021-9258(18)92875-9; RA Clementz T., Raetz C.R.H.; RT "A gene coding for 3-deoxy-D-manno-octulosonic-acid transferase in RT Escherichia coli. Identification, mapping, cloning, and sequencing."; RL J. Biol. Chem. 266:9687-9696(1991). RN [2] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=K12 / MG1655 / ATCC 47076; RX PubMed=8041620; DOI=10.1093/nar/22.13.2576; RA Sofia H.J., Burland V., Daniels D.L., Plunkett G. III, Blattner F.R.; RT "Analysis of the Escherichia coli genome. V. DNA sequence of the region RT from 76.0 to 81.5 minutes."; RL Nucleic Acids Res. 22:2576-2586(1994). RN [3] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=K12 / MG1655 / ATCC 47076; RX PubMed=9278503; DOI=10.1126/science.277.5331.1453; RA Blattner F.R., Plunkett G. III, Bloch C.A., Perna N.T., Burland V., RA Riley M., Collado-Vides J., Glasner J.D., Rode C.K., Mayhew G.F., RA Gregor J., Davis N.W., Kirkpatrick H.A., Goeden M.A., Rose D.J., Mau B., RA Shao Y.; RT "The complete genome sequence of Escherichia coli K-12."; RL Science 277:1453-1462(1997). RN [4] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=K12 / W3110 / ATCC 27325 / DSM 5911; RX PubMed=16738553; DOI=10.1038/msb4100049; RA Hayashi K., Morooka N., Yamamoto Y., Fujita K., Isono K., Choi S., RA Ohtsubo E., Baba T., Wanner B.L., Mori H., Horiuchi T.; RT "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 RT and W3110."; RL Mol. Syst. Biol. 2:E1-E5(2006). RN [5] RP PROTEIN SEQUENCE OF 1-10, FUNCTION, CATALYTIC ACTIVITY, POSSIBLE ACTIVITY RP REGULATION, BIOPHYSICOCHEMICAL PROPERTIES, SUBUNIT, AND COA-BINDING. RC STRAIN=K12 / JM101 / ATCC 33876 / DSM 3948 / NCIMB 11926; RX PubMed=10480925; DOI=10.1074/jbc.274.38.27105; RA Geerlof A., Lewendon A., Shaw W.V.; RT "Purification and characterization of phosphopantetheine RT adenylyltransferase from Escherichia coli."; RL J. Biol. Chem. 274:27105-27111(1999). RN [6] RP GENETIC CHARACTERIZATION. RC STRAIN=K12; RX PubMed=1577693; DOI=10.1128/jb.174.10.3250-3260.1992; RA Roncero C., Casadaban M.J.; RT "Genetic analysis of the genes involved in synthesis of the RT lipopolysaccharide core in Escherichia coli K-12: three operons in the rfa RT locus."; RL J. Bacteriol. 174:3250-3260(1992). RN [7] RP ACTIVITY REGULATION. RX PubMed=12750020; DOI=10.1016/s0223-5234(03)00047-3; RA Zhao L., Allanson N.M., Thomson S.P., Maclean J.K., Barker J.J., RA Primrose W.U., Tyler P.D., Lewendon A.; RT "Inhibitors of phosphopantetheine adenylyltransferase."; RL Eur. J. Med. Chem. 38:345-349(2003). RN [8] RP FUNCTION, CATALYTIC ACTIVITY, ACTIVITY REGULATION, BIOPHYSICOCHEMICAL RP PROPERTIES, SUBUNIT, AND COA-BINDING. RC STRAIN=K12 / JL4; RX PubMed=17873050; DOI=10.1128/jb.00732-07; RA Miller J.R., Ohren J., Sarver R.W., Mueller W.T., de Dreu P., Case H., RA Thanabal V.; RT "Phosphopantetheine adenylyltransferase from Escherichia coli: RT investigation of the kinetic mechanism and role in regulation of coenzyme A RT biosynthesis."; RL J. Bacteriol. 189:8196-8205(2007). RN [9] RP ACTIVITY REGULATION, AND INHIBITOR SCREENING. RX PubMed=20486930; DOI=10.1111/j.1747-0285.2010.00957.x; RA Miller J.R., Thanabal V., Melnick M.M., Lall M., Donovan C., Sarver R.W., RA Lee D.Y., Ohren J., Emerson D.; RT "The use of biochemical and biophysical tools for triage of high-throughput RT screening hits - A case study with Escherichia coli phosphopantetheine RT adenylyltransferase."; RL Chem. Biol. Drug Des. 75:444-454(2010). RN [10] RP X-RAY CRYSTALLOGRAPHY (1.8 ANGSTROMS) IN COMPLEX WITH 3'-DEPHOSPHO-COA, AND RP SUBUNIT. RX PubMed=10205156; DOI=10.1093/emboj/18.8.2021; RA Izard T., Geerlof A.; RT "The crystal structure of a novel bacterial adenylyltransferase reveals RT half of sites reactivity."; RL EMBO J. 18:2021-2030(1999). RN [11] RP X-RAY CRYSTALLOGRAPHY (1.63 ANGSTROMS) IN COMPLEXES WITH ATP OR RP 4'-PHOSPHOPANTETHEINE, COFACTOR, REACTION MECHANISM, SITE, AND SUBUNIT. RX PubMed=11812124; DOI=10.1006/jmbi.2001.5272; RA Izard T.; RT "The crystal structures of phosphopantetheine adenylyltransferase with RT bound substrates reveal the enzyme's catalytic mechanism."; RL J. Mol. Biol. 315:487-495(2002). RN [12] RP X-RAY CRYSTALLOGRAPHY (1.78 ANGSTROMS) IN COMPLEX WITH COENZYME A AND RP 4'-PHOSPHOPANTETHEINE, ACTIVITY REGULATION, AND SUBUNIT. RX PubMed=12837781; DOI=10.1128/jb.185.14.4074-4080.2003; RA Izard T.; RT "A novel adenylate binding site confers phosphopantetheine RT adenylyltransferase interactions with coenzyme A."; RL J. Bacteriol. 185:4074-4080(2003). RN [13] RP X-RAY CRYSTALLOGRAPHY (1.45 ANGSTROMS). RX PubMed=27130242; DOI=10.1007/s10858-016-0032-2; RA Proudfoot A., Frank A.O., Ruggiu F., Mamo M., Lingel A.; RT "Facilitating unambiguous NMR assignments and enabling higher probe density RT through selective labeling of all methyl containing amino acids."; RL J. Biomol. NMR 65:15-27(2016). CC -!- FUNCTION: Reversibly transfers an adenylyl group from ATP to 4'- CC phosphopantetheine, yielding dephospho-CoA (dPCoA) and pyrophosphate CC (PubMed:10480925, PubMed:17873050). CoA is not a substrate for the CC enzyme (PubMed:10480925). {ECO:0000255|HAMAP-Rule:MF_00151, CC ECO:0000269|PubMed:10480925, ECO:0000269|PubMed:17873050}. CC -!- CATALYTIC ACTIVITY: CC Reaction=(R)-4'-phosphopantetheine + ATP + H(+) = 3'-dephospho-CoA + CC diphosphate; Xref=Rhea:RHEA:19801, ChEBI:CHEBI:15378, CC ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:57328, CC ChEBI:CHEBI:61723; EC=2.7.7.3; Evidence={ECO:0000255|HAMAP- CC Rule:MF_00151, ECO:0000269|PubMed:10480925, CC ECO:0000269|PubMed:17873050}; CC -!- COFACTOR: CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; CC Evidence={ECO:0000269|PubMed:11812124}; CC Note=Crystallized in the absence of Mg(2+), the catalytic metal is not CC bound by the protein but probably by non-esterified oxygen atoms from CC ATP and/or ordered H(2)O (PubMed:11812124). CC {ECO:0000305|PubMed:11812124}; CC -!- ACTIVITY REGULATION: Feedback inhibited by CoA, which is competitive CC with ATP, 4'-phosphopantetheine and 3'-dephospho-CoA (PubMed:17873050, CC PubMed:10480925). Binds 0.5 CoA tightly per monomer in the same CC position as 3'-dephospho-CoA but in a different fashion CC (PubMed:12837781, PubMed:17873050). Is inhibited by the very potent and CC specific inhibitor PTX042695 dipeptide, with an IC(50) of 6 nM, a CC compound which has no activity against porcine PPAT (PubMed:12750020). CC A series of pyrazoloquinolones were also characterized as ATP- CC competitive inhibitors of PPAT (PubMed:20486930). CC {ECO:0000269|PubMed:12750020, ECO:0000269|PubMed:12837781, CC ECO:0000269|PubMed:17873050, ECO:0000269|PubMed:20486930, CC ECO:0000305|PubMed:10480925}. CC -!- BIOPHYSICOCHEMICAL PROPERTIES: CC Kinetic parameters: CC KM=7 uM for 3'-dephospho-CoA {ECO:0000269|PubMed:10480925}; CC KM=17 uM for 3'-dephospho-CoA {ECO:0000269|PubMed:17873050}; CC KM=0.22 mM for diphosphate {ECO:0000269|PubMed:10480925}; CC KM=0.23 mM for diphosphate {ECO:0000269|PubMed:17873050}; CC KM=220 uM for ATP {ECO:0000269|PubMed:17873050}; CC KM=4.7 uM for 4'-phosphopantetheine {ECO:0000269|PubMed:17873050}; CC Note=kcat is 1.37 sec(-1) for the forward reaction, with ATP and CC pantetheine 4'-phosphate as substrates (PubMed:17873050). kcat is 3.3 CC sec(-1) for the reverse reaction, with diphosphate and CC 3'-dephospho-CoA as substrates (PubMed:10480925). kcat is 1.37 CC sec(-1) for the reverse reaction, with diphosphate and CC 3'-dephospho-CoA as substrates (PubMed:17873050). CC {ECO:0000269|PubMed:10480925, ECO:0000269|PubMed:17873050}; CC pH dependence: CC Optimum pH is 6.9. {ECO:0000269|PubMed:10480925}; CC -!- PATHWAY: Cofactor biosynthesis; coenzyme A biosynthesis; CoA from (R)- CC pantothenate: step 4/5. {ECO:0000255|HAMAP-Rule:MF_00151}. CC -!- SUBUNIT: Homohexamer, a dimerized trimer with a solvent channel through CC the middle (PubMed:10480925, PubMed:10205156, PubMed:11812124, CC PubMed:12837781, PubMed:17873050). In crystals only 1 trimer is seen to CC bind substrate/product at a time (PubMed:10205156, PubMed:11812124). CC {ECO:0000269|PubMed:10205156, ECO:0000269|PubMed:10480925, CC ECO:0000269|PubMed:11812124, ECO:0000269|PubMed:12837781, CC ECO:0000269|PubMed:17873050}. CC -!- INTERACTION: CC P0A6I6; P60723: rplD; NbExp=2; IntAct=EBI-553173, EBI-545597; CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00151}. CC -!- MISCELLANEOUS: The crystal structures in complex with substrates CC suggest the enzyme stabilizes the transition state but the functional CC groups of the enzyme are not directly involved in reaction catalysis. CC {ECO:0000305|PubMed:11812124}. CC -!- SIMILARITY: Belongs to the bacterial CoaD family. {ECO:0000255|HAMAP- CC Rule:MF_00151}. CC -!- CAUTION: Was originally thought to have an essential function in CC lipopolysaccharide biosynthesis. {ECO:0000305|PubMed:1577693}. 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; M60670; AAA24044.1; -; Genomic_DNA. DR EMBL; M86305; AAA03746.1; -; Genomic_DNA. DR EMBL; U00039; AAB18611.1; -; Genomic_DNA. DR EMBL; U00096; AAC76658.1; -; Genomic_DNA. DR EMBL; AP009048; BAE77658.1; -; Genomic_DNA. DR PIR; JU0468; JU0468. DR RefSeq; NP_418091.1; NC_000913.3. DR RefSeq; WP_001171866.1; NZ_STEB01000024.1. DR PDB; 1B6T; X-ray; 1.80 A; A/B=1-159. DR PDB; 1GN8; X-ray; 1.83 A; A/B=1-159. DR PDB; 1H1T; X-ray; 1.78 A; A/B=1-159. DR PDB; 1QJC; X-ray; 1.63 A; A/B=2-159. DR PDB; 5JBN; X-ray; 1.45 A; A/B=1-159. DR PDB; 6B7A; X-ray; 1.99 A; A/B=1-159. DR PDB; 6B7B; X-ray; 1.98 A; A/B=1-159. DR PDB; 6B7C; X-ray; 1.56 A; A/B=1-159. DR PDB; 6B7D; X-ray; 1.80 A; A/B=1-159. DR PDB; 6B7E; X-ray; 2.10 A; A/B=1-159. DR PDB; 6B7F; X-ray; 2.56 A; A/B=1-159. DR PDB; 6CCK; X-ray; 1.61 A; A/B=1-159. DR PDB; 6CCL; X-ray; 1.77 A; A/B=1-159. DR PDB; 6CCM; X-ray; 1.79 A; A/B=1-159. DR PDB; 6CCN; X-ray; 1.87 A; A/B=1-159. DR PDB; 6CCO; X-ray; 1.82 A; A/B=1-159. DR PDB; 6CCQ; X-ray; 1.92 A; A/B=1-159. DR PDB; 6CCS; X-ray; 2.06 A; A/B=1-159. DR PDB; 6CHL; X-ray; 2.20 A; A/B=1-159. DR PDB; 6CHM; X-ray; 2.28 A; A/B=1-159. DR PDB; 6CHN; X-ray; 2.03 A; A/B=1-159. DR PDB; 6CHO; X-ray; 1.85 A; A/B=1-159. DR PDB; 6CHP; X-ray; 1.94 A; A/B=1-159. DR PDB; 6CHQ; X-ray; 1.79 A; A/B=1-159. DR PDB; 6CKW; X-ray; 2.06 A; A/B=1-159. DR PDBsum; 1B6T; -. DR PDBsum; 1GN8; -. DR PDBsum; 1H1T; -. DR PDBsum; 1QJC; -. DR PDBsum; 5JBN; -. DR PDBsum; 6B7A; -. DR PDBsum; 6B7B; -. DR PDBsum; 6B7C; -. DR PDBsum; 6B7D; -. DR PDBsum; 6B7E; -. DR PDBsum; 6B7F; -. DR PDBsum; 6CCK; -. DR PDBsum; 6CCL; -. DR PDBsum; 6CCM; -. DR PDBsum; 6CCN; -. DR PDBsum; 6CCO; -. DR PDBsum; 6CCQ; -. DR PDBsum; 6CCS; -. DR PDBsum; 6CHL; -. DR PDBsum; 6CHM; -. DR PDBsum; 6CHN; -. DR PDBsum; 6CHO; -. DR PDBsum; 6CHP; -. DR PDBsum; 6CHQ; -. DR PDBsum; 6CKW; -. DR AlphaFoldDB; P0A6I6; -. DR SMR; P0A6I6; -. DR BioGRID; 4263379; 238. DR DIP; DIP-35966N; -. DR IntAct; P0A6I6; 10. DR STRING; 511145.b3634; -. DR BindingDB; P0A6I6; -. DR ChEMBL; CHEMBL4523175; -. DR jPOST; P0A6I6; -. DR PaxDb; 511145-b3634; -. DR EnsemblBacteria; AAC76658; AAC76658; b3634. DR GeneID; 75202203; -. DR GeneID; 947386; -. DR KEGG; ecj:JW3609; -. DR KEGG; eco:b3634; -. DR PATRIC; fig|1411691.4.peg.3072; -. DR EchoBASE; EB1176; -. DR eggNOG; COG0669; Bacteria. DR HOGENOM; CLU_100149_0_1_6; -. DR InParanoid; P0A6I6; -. DR OMA; MALMNRK; -. DR OrthoDB; 9806661at2; -. DR PhylomeDB; P0A6I6; -. DR BioCyc; EcoCyc:PANTEPADENYLYLTRAN-MONOMER; -. DR BioCyc; MetaCyc:PANTEPADENYLYLTRAN-MONOMER; -. DR BRENDA; 2.7.7.3; 2026. DR SABIO-RK; P0A6I6; -. DR UniPathway; UPA00241; UER00355. DR EvolutionaryTrace; P0A6I6; -. DR PRO; PR:P0A6I6; -. DR Proteomes; UP000000318; Chromosome. DR Proteomes; UP000000625; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW. DR GO; GO:0042802; F:identical protein binding; IDA:EcoCyc. DR GO; GO:0004595; F:pantetheine-phosphate adenylyltransferase activity; IDA:EcoCyc. DR GO; GO:0015937; P:coenzyme A biosynthetic process; IDA:EcoCyc. DR CDD; cd02163; PPAT; 1. DR Gene3D; 3.40.50.620; HUPs; 1. DR HAMAP; MF_00151; PPAT_bact; 1. DR InterPro; IPR004821; Cyt_trans-like. DR InterPro; IPR001980; PPAT. DR InterPro; IPR014729; Rossmann-like_a/b/a_fold. DR NCBIfam; TIGR01510; coaD_prev_kdtB; 1. DR NCBIfam; TIGR00125; cyt_tran_rel; 1. DR PANTHER; PTHR21342; PHOSPHOPANTETHEINE ADENYLYLTRANSFERASE; 1. DR PANTHER; PTHR21342:SF1; PHOSPHOPANTETHEINE ADENYLYLTRANSFERASE; 1. DR Pfam; PF01467; CTP_transf_like; 1. DR PRINTS; PR01020; LPSBIOSNTHSS. DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1. PE 1: Evidence at protein level; KW 3D-structure; ATP-binding; Coenzyme A biosynthesis; Cytoplasm; KW Direct protein sequencing; Magnesium; Nucleotide-binding; KW Nucleotidyltransferase; Reference proteome; Transferase. FT CHAIN 1..159 FT /note="Phosphopantetheine adenylyltransferase" FT /id="PRO_0000156204" FT BINDING 7..11 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000269|PubMed:11812124, FT ECO:0007744|PDB:1GN8" FT BINDING 10 FT /ligand="substrate" FT /evidence="ECO:0000269|PubMed:11812124, FT ECO:0000269|PubMed:12837781, ECO:0007744|PDB:1H1T, FT ECO:0007744|PDB:1QJC" FT BINDING 18 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000269|PubMed:11812124, FT ECO:0007744|PDB:1GN8" FT BINDING 42 FT /ligand="substrate" FT /evidence="ECO:0000269|PubMed:11812124, FT ECO:0000269|PubMed:12837781, ECO:0007744|PDB:1H1T, FT ECO:0007744|PDB:1QJC" FT BINDING 74 FT /ligand="substrate" FT /evidence="ECO:0000269|PubMed:11812124, FT ECO:0000269|PubMed:12837781, ECO:0007744|PDB:1H1T, FT ECO:0007744|PDB:1QJC" FT BINDING 88 FT /ligand="substrate" FT /evidence="ECO:0000269|PubMed:11812124, FT ECO:0007744|PDB:1QJC" FT BINDING 89..91 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000269|PubMed:11812124, FT ECO:0007744|PDB:1GN8" FT BINDING 99 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000269|PubMed:11812124, FT ECO:0007744|PDB:1GN8" FT BINDING 124..130 FT /ligand="ATP" FT /ligand_id="ChEBI:CHEBI:30616" FT /evidence="ECO:0000269|PubMed:11812124, FT ECO:0007744|PDB:1GN8" FT SITE 18 FT /note="Transition state stabilizer" FT /evidence="ECO:0000305|PubMed:11812124" FT STRAND 4..9 FT /evidence="ECO:0007829|PDB:5JBN" FT HELIX 16..28 FT /evidence="ECO:0007829|PDB:5JBN" FT STRAND 29..37 FT /evidence="ECO:0007829|PDB:5JBN" FT HELIX 40..42 FT /evidence="ECO:0007829|PDB:5JBN" FT HELIX 48..58 FT /evidence="ECO:0007829|PDB:5JBN" FT TURN 59..61 FT /evidence="ECO:0007829|PDB:5JBN" FT STRAND 65..70 FT /evidence="ECO:0007829|PDB:5JBN" FT HELIX 74..80 FT /evidence="ECO:0007829|PDB:5JBN" FT STRAND 85..89 FT /evidence="ECO:0007829|PDB:5JBN" FT HELIX 96..109 FT /evidence="ECO:0007829|PDB:5JBN" FT STRAND 113..118 FT /evidence="ECO:0007829|PDB:5JBN" FT HELIX 122..124 FT /evidence="ECO:0007829|PDB:5JBN" FT HELIX 129..137 FT /evidence="ECO:0007829|PDB:5JBN" FT HELIX 143..145 FT /evidence="ECO:0007829|PDB:5JBN" FT HELIX 148..159 FT /evidence="ECO:0007829|PDB:5JBN" SQ SEQUENCE 159 AA; 17837 MW; C4D7B8715A061B91 CRC64; MQKRAIYPGT FDPITNGHID IVTRATQMFD HVILAIAASP SKKPMFTLEE RVALAQQATA HLGNVEVVGF SDLMANFARN QHATVLIRGL RAVADFEYEM QLAHMNRHLM PELESVFLMP SKEWSFISSS LVKEVARHQG DVTHFLPENV HQALMAKLA //