ID LIPA_MARN8 Reviewed; 348 AA. AC A1U380; DT 18-MAR-2008, integrated into UniProtKB/Swiss-Prot. DT 06-FEB-2007, sequence version 1. DT 27-MAR-2024, entry version 97. DE RecName: Full=Lipoyl synthase {ECO:0000255|HAMAP-Rule:MF_00206}; DE EC=2.8.1.8 {ECO:0000255|HAMAP-Rule:MF_00206}; DE AltName: Full=Lip-syn {ECO:0000255|HAMAP-Rule:MF_00206}; DE Short=LS {ECO:0000255|HAMAP-Rule:MF_00206}; DE AltName: Full=Lipoate synthase {ECO:0000255|HAMAP-Rule:MF_00206}; DE AltName: Full=Lipoic acid synthase {ECO:0000255|HAMAP-Rule:MF_00206}; DE AltName: Full=Sulfur insertion protein LipA {ECO:0000255|HAMAP-Rule:MF_00206}; GN Name=lipA {ECO:0000255|HAMAP-Rule:MF_00206}; GN OrderedLocusNames=Maqu_2373; OS Marinobacter nauticus (strain ATCC 700491 / DSM 11845 / VT8) (Marinobacter OS aquaeolei). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pseudomonadales; OC Marinobacteraceae; Marinobacter. OX NCBI_TaxID=351348; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 700491 / DSM 11845 / VT8; RX PubMed=21335390; DOI=10.1128/aem.01866-10; RA Singer E., Webb E.A., Nelson W.C., Heidelberg J.F., Ivanova N., Pati A., RA Edwards K.J.; RT "Genomic potential of Marinobacter aquaeolei, a biogeochemical RT 'opportunitroph'."; RL Appl. Environ. Microbiol. 77:2763-2771(2011). CC -!- FUNCTION: Catalyzes the radical-mediated insertion of two sulfur atoms CC into the C-6 and C-8 positions of the octanoyl moiety bound to the CC lipoyl domains of lipoate-dependent enzymes, thereby converting the CC octanoylated domains into lipoylated derivatives. {ECO:0000255|HAMAP- CC Rule:MF_00206}. CC -!- CATALYTIC ACTIVITY: CC Reaction=[[Fe-S] cluster scaffold protein carrying a second [4Fe- CC 4S](2+) cluster] + 4 H(+) + N(6)-octanoyl-L-lysyl-[protein] + 2 CC oxidized [2Fe-2S]-[ferredoxin] + 2 S-adenosyl-L-methionine = 2 5'- CC deoxyadenosine + [[Fe-S] cluster scaffold protein] + 4 Fe(3+) + 2 CC hydrogen sulfide + 2 L-methionine + N(6)-[(R)-dihydrolipoyl]-L-lysyl- CC [protein] + 2 reduced [2Fe-2S]-[ferredoxin]; Xref=Rhea:RHEA:16585, CC Rhea:RHEA-COMP:9928, Rhea:RHEA-COMP:10000, Rhea:RHEA-COMP:10001, CC Rhea:RHEA-COMP:10475, Rhea:RHEA-COMP:14568, Rhea:RHEA-COMP:14569, CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17319, ChEBI:CHEBI:29034, CC ChEBI:CHEBI:29919, ChEBI:CHEBI:33722, ChEBI:CHEBI:33737, CC ChEBI:CHEBI:33738, ChEBI:CHEBI:57844, ChEBI:CHEBI:59789, CC ChEBI:CHEBI:78809, ChEBI:CHEBI:83100; EC=2.8.1.8; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00206}; CC -!- COFACTOR: CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00206}; CC Note=Binds 2 [4Fe-4S] clusters per subunit. One cluster is coordinated CC with 3 cysteines and an exchangeable S-adenosyl-L-methionine. CC {ECO:0000255|HAMAP-Rule:MF_00206}; CC -!- PATHWAY: Protein modification; protein lipoylation via endogenous CC pathway; protein N(6)-(lipoyl)lysine from octanoyl-[acyl-carrier- CC protein]: step 2/2. {ECO:0000255|HAMAP-Rule:MF_00206}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00206}. CC -!- SIMILARITY: Belongs to the radical SAM superfamily. Lipoyl synthase CC family. {ECO:0000255|HAMAP-Rule:MF_00206}. 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; CP000514; ABM19449.1; -; Genomic_DNA. DR RefSeq; WP_011785836.1; NC_008740.1. DR AlphaFoldDB; A1U380; -. DR SMR; A1U380; -. DR STRING; 351348.Maqu_2373; -. DR GeneID; 31820365; -. DR KEGG; maq:Maqu_2373; -. DR eggNOG; COG0320; Bacteria. DR HOGENOM; CLU_033144_2_0_6; -. DR OrthoDB; 9787898at2; -. DR UniPathway; UPA00538; UER00593. DR Proteomes; UP000000998; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule. DR GO; GO:0016992; F:lipoate synthase activity; IEA:UniProtKB-UniRule. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR CDD; cd01335; Radical_SAM; 1. DR Gene3D; 3.20.20.70; Aldolase class I; 1. DR HAMAP; MF_00206; Lipoyl_synth; 1. DR InterPro; IPR013785; Aldolase_TIM. DR InterPro; IPR006638; Elp3/MiaA/NifB-like_rSAM. DR InterPro; IPR003698; Lipoyl_synth. DR InterPro; IPR007197; rSAM. DR NCBIfam; TIGR00510; lipA; 1. DR PANTHER; PTHR10949; LIPOYL SYNTHASE; 1. DR PANTHER; PTHR10949:SF0; LIPOYL SYNTHASE, MITOCHONDRIAL; 1. DR Pfam; PF04055; Radical_SAM; 1. DR PIRSF; PIRSF005963; Lipoyl_synth; 1. DR SFLD; SFLDF00271; lipoyl_synthase; 1. DR SFLD; SFLDS00029; Radical_SAM; 1. DR SMART; SM00729; Elp3; 1. DR SUPFAM; SSF102114; Radical SAM enzymes; 1. DR PROSITE; PS51918; RADICAL_SAM; 1. PE 3: Inferred from homology; KW 4Fe-4S; Cytoplasm; Iron; Iron-sulfur; Metal-binding; KW S-adenosyl-L-methionine; Transferase. FT CHAIN 1..348 FT /note="Lipoyl synthase" FT /id="PRO_0000325275" FT DOMAIN 85..303 FT /note="Radical SAM core" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01266" FT REGION 1..45 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 1..17 FT /note="Polar residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT COMPBIAS 19..45 FT /note="Basic and acidic residues" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT BINDING 73 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00206" FT BINDING 78 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00206" FT BINDING 84 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00206" FT BINDING 99 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_label="2" FT /ligand_note="4Fe-4S-S-AdoMet" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00206" FT BINDING 103 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_label="2" FT /ligand_note="4Fe-4S-S-AdoMet" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00206" FT BINDING 106 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_label="2" FT /ligand_note="4Fe-4S-S-AdoMet" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00206" FT BINDING 314 FT /ligand="[4Fe-4S] cluster" FT /ligand_id="ChEBI:CHEBI:49883" FT /ligand_label="1" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00206" SQ SEQUENCE 348 AA; 38550 MW; 4C9C1580D1E05E90 CRC64; MSESAKPRIT SGSKFRNEHG FSAIKDGVKR SSSNTEGKSL ERKPKWLRAR MPGGERYDAV RRNVTEHRLS TVCQESHCPN IGECWTNGTA TIMVMGSVCT RACKFCAVDT GNPKGWLDPE EPENTAKSVE LMGLRYIVLT SVDRDDLPDG GAAHYAACVS AIKQRTPEVA VEALTPDFDA VMSDVEKVVD SGLDVFAQNV ETVKRLTSRV RDPRAGYEKT LSVLAHAKKH RPDVLTKTSL MLGLGETEEE ILETMDDLRA IGVDILTLGQ YLRPTPNHLP VERYVTPEEF NRYRDIGLEK GFMEVPSGPM VRSSYRADRV FDKNNLGLSV PEVPVPDKAM QIPVKAVD //