ID K1PTC6_CRAGI Unreviewed; 298 AA.
AC K1PTC6;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 24-JAN-2024, entry version 62.
DE RecName: Full=Lipoyl synthase, mitochondrial {ECO:0000256|HAMAP-Rule:MF_03123};
DE EC=2.8.1.8 {ECO:0000256|HAMAP-Rule:MF_03123};
DE AltName: Full=Lipoate synthase {ECO:0000256|HAMAP-Rule:MF_03123};
DE Short=LS {ECO:0000256|HAMAP-Rule:MF_03123};
DE Short=Lip-syn {ECO:0000256|HAMAP-Rule:MF_03123};
DE AltName: Full=Lipoic acid synthase {ECO:0000256|HAMAP-Rule:MF_03123};
GN ORFNames=CGI_10001918 {ECO:0000313|EMBL:EKC24933.1};
OS Crassostrea gigas (Pacific oyster) (Crassostrea angulata).
OC Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Mollusca; Bivalvia;
OC Autobranchia; Pteriomorphia; Ostreida; Ostreoidea; Ostreidae; Crassostrea.
OX NCBI_TaxID=29159 {ECO:0000313|EMBL:EKC24933.1};
RN [1] {ECO:0000313|EMBL:EKC24933.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=05x7-T-G4-1.051#20 {ECO:0000313|EMBL:EKC24933.1};
RX PubMed=22992520; DOI=10.1038/nature11413;
RA Zhang G., Fang X., Guo X., Li L., Luo R., Xu F., Yang P., Zhang L.,
RA Wang X., Qi H., Xiong Z., Que H., Xie Y., Holland P.W., Paps J., Zhu Y.,
RA Wu F., Chen Y., Wang J., Peng C., Meng J., Yang L., Liu J., Wen B.,
RA Zhang N., Huang Z., Zhu Q., Feng Y., Mount A., Hedgecock D., Xu Z., Liu Y.,
RA Domazet-Loso T., Du Y., Sun X., Zhang S., Liu B., Cheng P., Jiang X.,
RA Li J., Fan D., Wang W., Fu W., Wang T., Wang B., Zhang J., Peng Z., Li Y.,
RA Li N., Wang J., Chen M., He Y., Tan F., Song X., Zheng Q., Huang R.,
RA Yang H., Du X., Chen L., Yang M., Gaffney P.M., Wang S., Luo L., She Z.,
RA Ming Y., Huang W., Zhang S., Huang B., Zhang Y., Qu T., Ni P., Miao G.,
RA Wang J., Wang Q., Steinberg C.E., Wang H., Li N., Qian L., Zhang G., Li Y.,
RA Yang H., Liu X., Wang J., Yin Y., Wang J.;
RT "The oyster genome reveals stress adaptation and complexity of shell
RT formation.";
RL Nature 490:49-54(2012).
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:0000256|HAMAP-
CC Rule:MF_03123}.
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:0000256|ARBA:ARBA00001264, ECO:0000256|HAMAP-
CC Rule:MF_03123};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03123};
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:0000256|HAMAP-Rule:MF_03123};
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:0000256|HAMAP-Rule:MF_03123}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion {ECO:0000256|HAMAP-Rule:MF_03123}.
CC -!- SIMILARITY: Belongs to the radical SAM superfamily. Lipoyl synthase
CC family. {ECO:0000256|HAMAP-Rule:MF_03123}.
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DR EMBL; JH817035; EKC24933.1; -; Genomic_DNA.
DR RefSeq; XP_011437309.1; XM_011439007.1.
DR AlphaFoldDB; K1PTC6; -.
DR HOGENOM; CLU_033144_2_0_1; -.
DR InParanoid; K1PTC6; -.
DR OMA; FFTEAMI; -.
DR UniPathway; UPA00538; UER00593.
DR GO; GO:0005739; C:mitochondrion; 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; 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 {ECO:0000256|HAMAP-Rule:MF_03123};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_03123};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW Rule:MF_03123};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_03123}; Mitochondrion {ECO:0000256|HAMAP-Rule:MF_03123};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_03123}; Transferase {ECO:0000256|HAMAP-Rule:MF_03123}.
FT BINDING 44
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03123"
FT BINDING 49
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03123"
FT BINDING 55
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03123"
FT BINDING 70
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:0000256|HAMAP-Rule:MF_03123"
FT BINDING 74
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:0000256|HAMAP-Rule:MF_03123"
FT BINDING 77
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:0000256|HAMAP-Rule:MF_03123"
FT BINDING 285
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03123"
SQ SEQUENCE 298 AA; 33717 MW; 1715E2165EABE355 CRC64;
MTGCTKVRPH FEKKPSWLKM FPIGMEKYHS LKKSLRFQGL HTVCEEARCP NIGECWSVGT
ATIMILGDVC TRACRFCNVK TGNPKGVVDE DEPYRVAENL AKTQLKYVVI TCVDRDDLPD
GGAFIFAETI RQVKKLCPEM KVEALVSDYR GNKKAFEILL DCPVDVLAHN VETVRELTPI
VRDRRAAYDQ SLALLNYAKK NKSNLLTKSS IMVGLGETMD ELKKTTADLK DVGVDIVTYG
QYLRPSERHL VVKRYYFPDE FEQLKSMAYE MGFRYVASGP LVRSSYKAAE LFALKALS
//