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Protein

Lipoyl synthase

Gene

lipA

Organism
Mesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099) (Mesorhizobium loti (strain MAFF 303099))
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 bindingi60Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi65Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi71Iron-sulfur 1 (4Fe-4S)UniRule annotation1
Metal bindingi86Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation1
Metal bindingi90Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation1
Metal bindingi93Iron-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

BioCyciMLOT266835:G1G20-308-MONOMER
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:mlr0392
OrganismiMesorhizobium japonicum (strain LMG 29417 / CECT 9101 / MAFF 303099) (Mesorhizobium loti (strain MAFF 303099))
Taxonomic identifieri266835 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesPhyllobacteriaceaeMesorhizobium
Proteomesi
  • UP000000552 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001023471 – 321Lipoyl synthaseAdd BLAST321

Interactioni

Protein-protein interaction databases

STRINGi266835.mlr0392

Structurei

3D structure databases

ProteinModelPortaliQ98MY2
SMRiQ98MY2
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
IPR031691 LIAS_N
IPR003698 Lipoyl_synth
IPR007197 rSAM
PfamiView protein in Pfam
PF16881 LIAS_N, 1 hit
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.

Q98MY2-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MVTVLDAIAN APRLRHPEKA HKPDQEVLRK PDWIRVKAPV SKGYAETREI
60 70 80 90 100
VKSHKLVTVC EEAGCPNIGE CWEKKHATFM IMGEICTRAC AFCNVATGIP
110 120 130 140 150
TALDPDEPAR VAHAVKQMGL SHVVITSVDR DDLADGGAQH FADVIRAIRA
160 170 180 190 200
ATPSTTIEIL TPDFLRKDGA LEIVVAARPD VFNHNLETVP SNYLKVRPGA
210 220 230 240 250
RYFHSIRLLQ RVKELDPSIF TKSGIMVGLG EERNEILQLM DDLRSANVDF
260 270 280 290 300
MTIGQYLQPS KKHHPVIRFV TPEEFKSFET IGRTKGFLLV ASSPLTRSSH
310 320
HAGDDFARLR AAREAQLQKS V
Length:321
Mass (Da):35,684
Last modified:October 1, 2001 - v1
Checksum:i08290BA1F99CAC9D
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BA000012 Genomic DNA Translation: BAB47981.1
RefSeqiWP_010909338.1, NC_002678.2

Genome annotation databases

EnsemblBacteriaiBAB47981; BAB47981; BAB47981
KEGGimlo:mlr0392
PATRICifig|266835.9.peg.310

Similar proteinsi

Entry informationi

Entry nameiLIPA_RHILO
AccessioniPrimary (citable) accession number: Q98MY2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 26, 2002
Last sequence update: October 1, 2001
Last modified: May 23, 2018
This is version 93 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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