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Protein

Probable lipoyl synthase

Gene

lipA

Organism
Picrophilus torridus (strain ATCC 700027 / DSM 9790 / JCM 10055 / NBRC 100828)
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 N(6)-(octanoyl)lysine + 2 sulfur-(sulfur carrier) + 2 S-adenosyl-L-methionine + 2 reduced [2Fe-2S] ferredoxin = protein N(6)-(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

Pathway: 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. Probable octanoyltransferase 2 (lipB2), Probable octanoyltransferase 1 (lipB1)
  2. Probable 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)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi34 – 341Iron-sulfur 1 (4Fe-4S)UniRule annotation
Metal bindingi39 – 391Iron-sulfur 1 (4Fe-4S)UniRule annotation
Metal bindingi45 – 451Iron-sulfur 1 (4Fe-4S)UniRule annotation
Metal bindingi60 – 601Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation
Metal bindingi64 – 641Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation
Metal bindingi67 – 671Iron-sulfur 2 (4Fe-4S-S-AdoMet)UniRule annotation

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Transferase

Keywords - Ligandi

4Fe-4S, Iron, Iron-sulfur, Metal-binding, S-adenosyl-L-methionine

Enzyme and pathway databases

BioCyciPTOR263820:GHA3-570-MONOMER.
UniPathwayiUPA00538; UER00593.

Names & Taxonomyi

Protein namesi
Recommended name:
Probable 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:PTO0550
OrganismiPicrophilus torridus (strain ATCC 700027 / DSM 9790 / JCM 10055 / NBRC 100828)
Taxonomic identifieri263820 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaThermoplasmataThermoplasmatalesPicrophilaceaePicrophilus
ProteomesiUP000000438 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 286286Probable lipoyl synthasePRO_0000102391Add
BLAST

Interactioni

Protein-protein interaction databases

STRINGi263820.PTO0550.

Structurei

3D structure databases

ProteinModelPortaliQ6L1L7.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

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

Phylogenomic databases

eggNOGiCOG0320.
HOGENOMiHOG000235998.
KOiK03644.
OMAiPRLYHIR.

Family and domain databases

Gene3Di3.20.20.70. 1 hit.
HAMAPiMF_00206. Lipoyl_synth.
InterProiIPR013785. Aldolase_TIM.
IPR006638. Elp3/MiaB/NifB.
IPR003698. Lipoyl_synth.
IPR007197. rSAM.
[Graphical view]
PANTHERiPTHR10949. PTHR10949. 1 hit.
PfamiPF04055. Radical_SAM. 1 hit.
[Graphical view]
PIRSFiPIRSF005963. Lipoyl_synth. 1 hit.
SMARTiSM00729. Elp3. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00510. lipA. 1 hit.

Sequencei

Sequence statusi: Complete.

Q6L1L7-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MNAGPINYKV KLPSGERYTF IKSTLSARNL YTVCEEAHCP NIAECWESGT
60 70 80 90 100
ATFMIMGSNC SRGCRFCAVT HGRMLPLDPM EPEKVYESVK MMNLDYVVIT
110 120 130 140 150
SVDRDDLPDK GSSHFAAVIR RLKDLKIKIE VLIPDFSGVH KFIDKIIDER
160 170 180 190 200
PDVIAHNIET VRRLTKTVRD PRAGYDQSLN VLRYVKSRSN IITKSSIMLG
210 220 230 240 250
LGETDDEVIE TLHDLHDAGV DIVTIGQYLR PTKKQLEVKE YSPMERFKNL
260 270 280
EESAYSIGFS FVASGPLVRT SYRAAEAFVK GGFKND
Length:286
Mass (Da):32,253
Last modified:July 5, 2004 - v1
Checksum:i1108A7C8A9799419
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE017261 Genomic DNA. Translation: AAT43135.1.
RefSeqiWP_011177351.1. NC_005877.1.
YP_023328.1. NC_005877.1.

Genome annotation databases

EnsemblBacteriaiAAT43135; AAT43135; PTO0550.
GeneIDi2844599.
KEGGipto:PTO0550.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE017261 Genomic DNA. Translation: AAT43135.1.
RefSeqiWP_011177351.1. NC_005877.1.
YP_023328.1. NC_005877.1.

3D structure databases

ProteinModelPortaliQ6L1L7.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi263820.PTO0550.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiAAT43135; AAT43135; PTO0550.
GeneIDi2844599.
KEGGipto:PTO0550.

Phylogenomic databases

eggNOGiCOG0320.
HOGENOMiHOG000235998.
KOiK03644.
OMAiPRLYHIR.

Enzyme and pathway databases

UniPathwayiUPA00538; UER00593.
BioCyciPTOR263820:GHA3-570-MONOMER.

Family and domain databases

Gene3Di3.20.20.70. 1 hit.
HAMAPiMF_00206. Lipoyl_synth.
InterProiIPR013785. Aldolase_TIM.
IPR006638. Elp3/MiaB/NifB.
IPR003698. Lipoyl_synth.
IPR007197. rSAM.
[Graphical view]
PANTHERiPTHR10949. PTHR10949. 1 hit.
PfamiPF04055. Radical_SAM. 1 hit.
[Graphical view]
PIRSFiPIRSF005963. Lipoyl_synth. 1 hit.
SMARTiSM00729. Elp3. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00510. lipA. 1 hit.
ProtoNetiSearch...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 700027 / DSM 9790 / JCM 10055 / NBRC 100828.

Entry informationi

Entry nameiLIPA_PICTO
AccessioniPrimary (citable) accession number: Q6L1L7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 30, 2005
Last sequence update: July 5, 2004
Last modified: April 1, 2015
This is version 77 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

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

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.