ID   LIPA_ALCBS              Reviewed;         325 AA.
AC   Q0VN36;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-SEP-2006, sequence version 1.
DT   27-MAR-2024, entry version 106.
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=ABO_1964;
OS   Alcanivorax borkumensis (strain ATCC 700651 / DSM 11573 / NCIMB 13689 /
OS   SK2).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC   Alcanivoracaceae; Alcanivorax.
OX   NCBI_TaxID=393595;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700651 / DSM 11573 / NCIMB 13689 / SK2;
RX   PubMed=16878126; DOI=10.1038/nbt1232;
RA   Schneiker S., Martins dos Santos V.A.P., Bartels D., Bekel T., Brecht M.,
RA   Buhrmester J., Chernikova T.N., Denaro R., Ferrer M., Gertler C.,
RA   Goesmann A., Golyshina O.V., Kaminski F., Khachane A.N., Lang S., Linke B.,
RA   McHardy A.C., Meyer F., Nechitaylo T., Puehler A., Regenhardt D., Rupp O.,
RA   Sabirova J.S., Selbitschka W., Yakimov M.M., Timmis K.N., Vorhoelter F.-J.,
RA   Weidner S., Kaiser O., Golyshin P.N.;
RT   "Genome sequence of the ubiquitous hydrocarbon-degrading marine bacterium
RT   Alcanivorax borkumensis.";
RL   Nat. Biotechnol. 24:997-1004(2006).
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}.
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DR   EMBL; AM286690; CAL17412.1; -; Genomic_DNA.
DR   RefSeq; WP_011589243.1; NC_008260.1.
DR   AlphaFoldDB; Q0VN36; -.
DR   SMR; Q0VN36; -.
DR   STRING; 393595.ABO_1964; -.
DR   KEGG; abo:ABO_1964; -.
DR   eggNOG; COG0320; Bacteria.
DR   HOGENOM; CLU_033144_2_1_6; -.
DR   OrthoDB; 9787898at2; -.
DR   UniPathway; UPA00538; UER00593.
DR   Proteomes; UP000008871; 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; IPR031691; LIAS_N.
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; PF16881; LIAS_N; 1.
DR   Pfam; PF04055; Radical_SAM; 1.
DR   PIRSF; PIRSF005963; Lipoyl_synth; 1.
DR   SFLD; SFLDF00271; lipoyl_synthase; 1.
DR   SFLD; SFLDG01058; lipoyl_synthase_like; 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; Reference proteome;
KW   S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..325
FT                   /note="Lipoyl synthase"
FT                   /id="PRO_0000325224"
FT   DOMAIN          80..297
FT                   /note="Radical SAM core"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01266"
FT   BINDING         68
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         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         79
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         94
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         98
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         101
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         308
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   325 AA;  36458 MW;  421E7DE551F0C15D CRC64;
     MSEQAQAKRK VQIGDKLRGA DKVRTIPMVN EETGYQRKPD WIRVRVPANG EIQRIKSLLR
     KQKLHTVCEE AACPNLPECF GGGTATFMIM GDICTRRCAF CDVGFGRPNA LDAQEPLHLA
     ESVENLGLNY VVITSVDRDD LADGGAEHFA ECIRQVRALT PETRIEILTP DFRPCLDTAV
     EILAETAPDV FNHNIETVPE LYKHIRPGAR YQHSLDLLKR YKALRPDVST KSGIMVGLGE
     TFEQVINTIK DLRTHDVDMI TIGQYLQPSK HHAPVDRFVH PDEFREYARV ANELGFTSVA
     SGPMVRSSYH ADLQHKGVDV GLYKP
//