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Protein

Lipoyl synthase

Gene

lipA

Organism
Rhodopseudomonas palustris (strain BisB5)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-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 + 2 sulfur-(sulfur carrier) + 2 S-adenosyl-L-methionine + 2 reduced [2Fe-2S] ferredoxin = protein N6-(lipoyl)lysine + 2 (sulfur carrier) + 2 L-methionine + 2 5'-deoxyadenosine + 2 oxidized [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 bindingi61Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi66Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi72Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi87Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation1
Metal bindingi91Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation1
Metal bindingi94Iron-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:RPD_2584
OrganismiRhodopseudomonas palustris (strain BisB5)
Taxonomic identifieri316057 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesBradyrhizobiaceaeRhodopseudomonas
Proteomesi
  • UP000001818 Componenti: Chromosome

Subcellular locationi

Q137C6:
  • Cytoplasm UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10000122641 – 319Lipoyl synthaseAdd BLAST319

Interactioni

Protein-protein interaction databases

STRINGi316057.RPD_2584.

Structurei

3D structure databases

ProteinModelPortaliQ137C6.
SMRiQ137C6.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

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

Phylogenomic databases

eggNOGiENOG4105C0G. Bacteria.
COG0320. LUCA.
HOGENOMiHOG000235997.
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.

Q137C6-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MVVLVDTVSS TPVRPRHPEK AARPDSLSPK KPDWIRVRAP TTRGYGETRS
60 70 80 90 100
IVKENGLVTV CEEAGCPNIG ECWDKKHATF MIMGDTCTRA CAFCNVKTGL
110 120 130 140 150
PGALDPNEPA YVAEATRKLG LEHLVITSVD RDDLADGGAA HFAATIRAVR
160 170 180 190 200
EHCPTTTIEI LTPDFLRKDG ALDVVVAAKP DVFNHNLETV PSRYLSVRPG
210 220 230 240 250
ARYFHSIRLL QRVKELDPTI FTKSGIMVGL GEERHEVLQV MDDLRSAEVD
260 270 280 290 300
FLTIGQYLQP TRKHHAVMRY VTPDEFGGYG KTAYAKGFLM VSASPMTRSS
310
HHAGDDFAKL RAARAALSR
Length:319
Mass (Da):35,137
Last modified:October 31, 2006 - v1
Checksum:i4B5BB77796D1DC48
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000283 Genomic DNA. Translation: ABE39813.1.
RefSeqiWP_011502993.1. NC_007958.1.

Genome annotation databases

EnsemblBacteriaiABE39813; ABE39813; RPD_2584.
KEGGirpd:RPD_2584.

Similar proteinsi

Entry informationi

Entry nameiLIPA_RHOPS
AccessioniPrimary (citable) accession number: Q137C6
Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: October 31, 2006
Last modified: October 25, 2017
This is version 72 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

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families