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Q9M5K3 (DLDH1_ARATH) Reviewed, UniProtKB/Swiss-Prot

Last modified May 1, 2013. Version 93. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
Dihydrolipoyl dehydrogenase 1, mitochondrial

Short name=AtmLPD1
Short name=mtLPD1
EC=1.8.1.4
Alternative name(s):
Dihydrolipoamide dehydrogenase 1
Glycine cleavage system L protein 1
Pyruvate dehydrogenase complex E3 subunit 1
Short name=E3-1
Short name=PDC-E3 1
Gene names
Name:LPD1
Ordered Locus Names:At1g48030
ORF Names:F21D18.28, T2J15.6
OrganismArabidopsis thaliana (Mouse-ear cress) [Reference proteome]
Taxonomic identifier3702 [NCBI]
Taxonomic lineageEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonscore eudicotyledonsrosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis

Protein attributes

Sequence length507 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

Lipoamide dehydrogenase is a component of the glycine decarboxylase (GDC) or glycine cleavage system as well as of the alpha-ketoacid dehydrogenase complexes. LPD1 is probably the protein most often associated with the glycine decarboxylase complex while LPD2 is probably incorporated into alpha-ketoacid dehydrogenase complexes. Ref.1

Catalytic activity

Protein N(6)-(dihydrolipoyl)lysine + NAD+ = protein N(6)-(lipoyl)lysine + NADH.

Cofactor

Binds 1 FAD per subunit By similarity.

Subunit structure

Homodimer By similarity. Part of both the glycine cleavage system composed of four proteins: P, T, L and H and of the pyruvate dehydrogenase complex containing multiple copies of three enzymatic components: pyruvate dehydrogenase (E1), dihydrolipoamide acetyltransferase (E2) and lipoamide dehydrogenase (E3).

Subcellular location

Mitochondrion matrix.

Tissue specificity

Preferentially expressed in leaves, flowers and siliques and at a lower level in roots and stems. Ref.1

Induction

Up-regulated by light.

Post-translational modification

S-nytrosylated at unknown positions.

Miscellaneous

The active site is a redox-active disulfide bond.

Sequence similarities

Belongs to the class-I pyridine nucleotide-disulfide oxidoreductase family.

Sequence caution

The sequence AAF79529.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally extended.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Transit peptide1 – 3636Mitochondrion Potential
Chain37 – 507471Dihydrolipoyl dehydrogenase 1, mitochondrial
PRO_0000260229

Regions

Nucleotide binding73 – 8210FAD By similarity
Nucleotide binding184 – 1863FAD By similarity
Nucleotide binding221 – 2288NAD By similarity
Nucleotide binding360 – 3634FAD By similarity

Sites

Active site4861Proton acceptor By similarity
Binding site911FAD By similarity
Binding site1551FAD; via amide nitrogen and carbonyl oxygen By similarity
Binding site2441NAD By similarity
Binding site2781NAD; via amide nitrogen and carbonyl oxygen By similarity
Binding site3131NAD; via amide nitrogen By similarity
Binding site3541FAD By similarity

Amino acid modifications

Disulfide bond82 ↔ 87Redox-active By similarity

Sequences

Sequence LengthMass (Da)Tools
Q9M5K3 [UniParc].

Last modified June 1, 2001. Version 2.
Checksum: 10AB577E04164B89

FASTA50753,988
        10         20         30         40         50         60 
MAMASLARRK AYFLTRNLSN SPTDALRFSF SLSRGFASSG SDENDVVIIG GGPGGYVAAI 

        70         80         90        100        110        120 
KASQLGLKTT CIEKRGALGG TCLNVGCIPS KALLHSSHMY HEAKHSFANH GIKVSSVEVD 

       130        140        150        160        170        180 
LPAMLAQKDN AVKNLTRGIE GLFKKNKVTY VKGYGKFISP NEVSVETIDG GNTIVKGKHI 

       190        200        210        220        230        240 
IVATGSDVKS LPGITIDEKK IVSSTGALSL SEVPKKLIVI GAGYIGLEMG SVWGRLGSEV 

       250        260        270        280        290        300 
TVVEFAGDIV PSMDGEIRKQ FQRSLEKQKM KFMLKTKVVS VDSSSDGVKL TVEPAEGGEQ 

       310        320        330        340        350        360 
SILEADVVLV SAGRTPFTSG LDLEKIGVET DKAGRILVND RFLSNVPGVY AIGDVIPGPM 

       370        380        390        400        410        420 
LAHKAEEDGV ACVEFIAGKH GHVDYDKVPG VVYTHPEVAS VGKTEEQLKK EGVSYRVGKF 

       430        440        450        460        470        480 
PFMANSRAKA IDNAEGLVKI LADKETDKIL GVHIMAPNAG ELIHEAVLAI NYDASSEDIA 

       490        500 
RVCHAHPTMS EALKEAAMAT YDKPIHI 

« Hide

References

« Hide 'large scale' references
[1]"Characterization of two cDNAs encoding mitochondrial lipoamide dehydrogenase from Arabidopsis."
Lutziger I., Oliver D.J.
Plant Physiol. 127:615-623(2001) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [MRNA], FUNCTION, TISSUE SPECIFICITY, INDUCTION BY LIGHT.
[2]"Sequence and analysis of chromosome 1 of the plant Arabidopsis thaliana."
Theologis A., Ecker J.R., Palm C.J., Federspiel N.A., Kaul S., White O., Alonso J., Altafi H., Araujo R., Bowman C.L., Brooks S.Y., Buehler E., Chan A., Chao Q., Chen H., Cheuk R.F., Chin C.W., Chung M.K. expand/collapse author list , Conn L., Conway A.B., Conway A.R., Creasy T.H., Dewar K., Dunn P., Etgu P., Feldblyum T.V., Feng J.-D., Fong B., Fujii C.Y., Gill J.E., Goldsmith A.D., Haas B., Hansen N.F., Hughes B., Huizar L., Hunter J.L., Jenkins J., Johnson-Hopson C., Khan S., Khaykin E., Kim C.J., Koo H.L., Kremenetskaia I., Kurtz D.B., Kwan A., Lam B., Langin-Hooper S., Lee A., Lee J.M., Lenz C.A., Li J.H., Li Y.-P., Lin X., Liu S.X., Liu Z.A., Luros J.S., Maiti R., Marziali A., Militscher J., Miranda M., Nguyen M., Nierman W.C., Osborne B.I., Pai G., Peterson J., Pham P.K., Rizzo M., Rooney T., Rowley D., Sakano H., Salzberg S.L., Schwartz J.R., Shinn P., Southwick A.M., Sun H., Tallon L.J., Tambunga G., Toriumi M.J., Town C.D., Utterback T., Van Aken S., Vaysberg M., Vysotskaia V.S., Walker M., Wu D., Yu G., Fraser C.M., Venter J.C., Davis R.W.
Nature 408:816-820(2000) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: cv. Columbia.
[3]The Arabidopsis Information Resource (TAIR)
Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases
Cited for: GENOME REANNOTATION.
Strain: cv. Columbia.
[4]"The glycine decarboxylase system: a fascinating complex."
Douce R., Bourguignon J., Neuburger M., Rebeille F.
Trends Plant Sci. 6:167-176(2001) [PubMed] [Europe PMC] [Abstract]
Cited for: REVIEW.
[5]"Genetic manipulation of glycine decarboxylation."
Bauwe H., Kolukisaoglu U.
J. Exp. Bot. 54:1523-1535(2003) [PubMed] [Europe PMC] [Abstract]
Cited for: REVIEW, NOMENCLATURE.
[6]"Experimental analysis of the Arabidopsis mitochondrial proteome highlights signaling and regulatory components, provides assessment of targeting prediction programs, and indicates plant-specific mitochondrial proteins."
Heazlewood J.L., Tonti-Filippini J.S., Gout A.M., Day D.A., Whelan J., Millar A.H.
Plant Cell 16:241-256(2004) [PubMed] [Europe PMC] [Abstract]
Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS], SUBCELLULAR LOCATION [LARGE SCALE ANALYSIS].
Strain: cv. Landsberg erecta.
[7]"Regulation of plant glycine decarboxylase by s-nitrosylation and glutathionylation."
Palmieri M.C., Lindermayr C., Bauwe H., Steinhauser C., Durner J.
Plant Physiol. 152:1514-1528(2010) [PubMed] [Europe PMC] [Abstract]
Cited for: S-NITROSYLATION.
+Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
AF228639 mRNA. Translation: AAF34795.3.
AC023673 Genomic DNA. Translation: AAF79529.1. Different initiation.
AC051631 Genomic DNA. Translation: AAG51522.1.
CP002684 Genomic DNA. Translation: AEE32239.1.
CP002684 Genomic DNA. Translation: AEE32240.1.
IPIIPI00532806.
PIRF96520.
RefSeqNP_175237.1. NM_103699.4.
NP_849782.1. NM_179451.1.
UniGeneAt.15211.

3D structure databases

HSSPHSSP built from PDB template 1DXL based on UniProtKB P31023.
ProteinModelPortalQ9M5K3.
SMRQ9M5K3. Positions 41-507.
ModBaseSearch...

Protein-protein interaction databases

IntActQ9M5K3. 1 interaction.

Proteomic databases

PaxDbQ9M5K3.
PRIDEQ9M5K3.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblPlantsAT1G48030.1; AT1G48030.1; AT1G48030.
AT1G48030.2; AT1G48030.2; AT1G48030.
GeneID841221.
KEGGath:AT1G48030.

Organism-specific databases

GeneFarm4374. 442.
TAIRAt1g48030.

Phylogenomic databases

eggNOGCOG1249.
HOGENOMHOG000276708.
InParanoidQ9M5K3.
KOK00382.
OMAVANSRAK.
PhylomeDBQ9M5K3.
ProtClustDBCLSN2682168.

Gene expression databases

ArrayExpressQ9M5K3.
GenevestigatorQ9M5K3.
GermOnlineAT1G48030. Arabidopsis thaliana.

Family and domain databases

Gene3D3.30.390.30. 1 hit.
InterProIPR016156. FAD/NAD-linked_Rdtase_dimer.
IPR013027. FAD_pyr_nucl-diS_OxRdtase.
IPR006258. Lipoamide_DH.
IPR004099. Pyr_nucl-diS_OxRdtase_dimer.
IPR023753. Pyr_nucl-diS_OxRdtase_FAD/NAD.
IPR012999. Pyr_OxRdtase_I_AS.
IPR001327. Pyr_OxRdtase_NAD-bd_dom.
[Graphical view]
PANTHERPTHR22912:SF20. PTHR22912:SF20. 1 hit.
PfamPF00070. Pyr_redox. 1 hit.
PF07992. Pyr_redox_2. 1 hit.
PF02852. Pyr_redox_dim. 1 hit.
[Graphical view]
PRINTSPR00368. FADPNR.
SUPFAMSSF55424. FAD/NAD-linked_reductase_dimer. 1 hit.
TIGRFAMsTIGR01350. lipoamide_DH. 1 hit.
PROSITEPS00076. PYRIDINE_REDOX_1. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameDLDH1_ARATH
AccessionPrimary (citable) accession number: Q9M5K3
Secondary accession number(s): Q9LNF3
Entry history
Integrated into UniProtKB/Swiss-Prot: November 28, 2006
Last sequence update: June 1, 2001
Last modified: May 1, 2013
This is version 93 of the entry and version 2 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Relevant documents

Arabidopsis thaliana

Arabidopsis thaliana: entries and gene names

SIMILARITY comments

Index of protein domains and families