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Protein

Lipoyl synthase

Gene

lipA

Organism
Parabacteroides distasonis (strain ATCC 8503 / DSM 20701 / CIP 104284 / JCM 5825 / NCTC 11152)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Catalyzes the radical-mediated insertion of two sulfur atoms into the C-6 and C-8 positions of the octanoyl moiety bound to the lipoyl domains of lipoate-dependent enzymes, thereby converting the octanoylated domains into lipoylated derivatives.UniRule annotation

Catalytic activityi

Protein N6-(octanoyl)lysine + an [Fe-S] cluster scaffold protein carrying a [4Fe-4S]2+ cluster + 2 S-adenosyl-L-methionine + 2 oxidized [2Fe-2S] ferredoxin + 6 H+ = protein N6-(dihydrolipoyl)lysine + an [Fe-S] cluster scaffold protein + 2 sulfide + 4 Fe3+ + 2 L-methionine + 2 5'-deoxyadenosine + 2 reduced [2Fe-2S] ferredoxin.UniRule annotation

Cofactori

[4Fe-4S] clusterUniRule annotationNote: Binds 2 [4Fe-4S] clusters per subunit. One cluster is coordinated with 3 cysteines and an exchangeable S-adenosyl-L-methionine.UniRule annotation

Pathwayi: protein lipoylation via endogenous pathway

This protein is involved in step 2 of the subpathway that synthesizes protein N(6)-(lipoyl)lysine from octanoyl-[acyl-carrier-protein].UniRule annotation
Proteins known to be involved in the 2 steps of the subpathway in this organism are:
  1. Octanoyltransferase (lipB)
  2. Lipoyl synthase (lipA)
This subpathway is part of the pathway protein lipoylation via endogenous pathway, which is itself part of Protein modification.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes protein N(6)-(lipoyl)lysine from octanoyl-[acyl-carrier-protein], the pathway protein lipoylation via endogenous pathway and in Protein modification.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi37Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi42Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi48Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi63Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation1
Metal bindingi67Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation1
Metal bindingi70Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation1

GO - Molecular functioni

Keywordsi

Molecular functionTransferase
Ligand4Fe-4S, Iron, Iron-sulfur, Metal-binding, S-adenosyl-L-methionine

Enzyme and pathway databases

UniPathwayiUPA00538; UER00593

Names & Taxonomyi

Protein namesi
Recommended name:
Lipoyl synthaseUniRule annotation (EC:2.8.1.8UniRule annotation)
Alternative name(s):
Lip-synUniRule annotation
Short name:
LSUniRule annotation
Lipoate synthaseUniRule annotation
Lipoic acid synthaseUniRule annotation
Sulfur insertion protein LipAUniRule annotation
Gene namesi
Name:lipAUniRule annotation
Ordered Locus Names:BDI_2192
OrganismiParabacteroides distasonis (strain ATCC 8503 / DSM 20701 / CIP 104284 / JCM 5825 / NCTC 11152)
Taxonomic identifieri435591 [NCBI]
Taxonomic lineageiBacteriaBacteroidetesBacteroidiaBacteroidalesTannerellaceaeParabacteroides
Proteomesi
  • UP000000566 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10000122501 – 281Lipoyl synthaseAdd BLAST281

Interactioni

Protein-protein interaction databases

STRINGi435591.BDI_2192

Structurei

3D structure databases

ProteinModelPortaliA6LE09
SMRiA6LE09
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the radical SAM superfamily. Lipoyl synthase family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4105C0G Bacteria
COG0320 LUCA
HOGENOMiHOG000235998
KOiK03644
OMAiPYCDIDF
OrthoDBiPOG091H069D

Family and domain databases

Gene3Di3.20.20.70, 1 hit
HAMAPiMF_00206 Lipoyl_synth, 1 hit
InterProiView protein in InterPro
IPR013785 Aldolase_TIM
IPR006638 Elp3/MiaB/NifB
IPR003698 Lipoyl_synth
IPR007197 rSAM
PfamiView protein in Pfam
PF04055 Radical_SAM, 1 hit
PIRSFiPIRSF005963 Lipoyl_synth, 1 hit
SFLDiSFLDG01058 lipoyl_synthase_like, 1 hit
SFLDS00029 Radical_SAM, 1 hit
SMARTiView protein in SMART
SM00729 Elp3, 1 hit
TIGRFAMsiTIGR00510 lipA, 1 hit

Sequencei

Sequence statusi: Complete.

A6LE09-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAQHLRKPDW LKIRLGGNEQ FTKTKSIVES HCLHTICTSG KCPNMGECWS
60 70 80 90 100
RGTATFMIGG EICTRSCRFC NTLTGKPLPL DPKEPANVAE SIRLMNLKHA
110 120 130 140 150
VITSVDRDDL PDLGASHWVN TIRTIKEVNP QTTVEVLIPD FQGRLDLVDQ
160 170 180 190 200
VVDAAPEIIS HNMETVRRIS PQVRSAAKYD VSLSVLRRIA ERGVVAKTGI
210 220 230 240 250
MVGLGETEDE VLELMDDVLQ AGVSVLTIGQ YLQPSRKNIP VSEYVTPERF
260 270 280
EYYRQQAVNK GFKKVESAPL VRSSYHAEKH I
Length:281
Mass (Da):31,394
Last modified:July 24, 2007 - v1
Checksum:iB15D90B412461572
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000140 Genomic DNA Translation: ABR43923.1
RefSeqiWP_005854269.1, NC_009615.1

Genome annotation databases

EnsemblBacteriaiABR43923; ABR43923; BDI_2192
GeneIDi5307341
KEGGipdi:BDI_2192

Similar proteinsi

Entry informationi

Entry nameiLIPA_PARD8
AccessioniPrimary (citable) accession number: A6LE09
Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: July 24, 2007
Last modified: May 23, 2018
This is version 68 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome
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Main funding by: National Institutes of Health