DLDH_BUCBP
ID DLDH_BUCBP Reviewed; 475 AA.
AC Q89AQ8;
DT 14-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 03-AUG-2022, entry version 127.
DE RecName: Full=Dihydrolipoyl dehydrogenase;
DE EC=1.8.1.4;
DE AltName: Full=Dihydrolipoamide dehydrogenase;
DE AltName: Full=E3 component of pyruvate and 2-oxoglutarate dehydrogenases complexes;
GN Name=lpdA; OrderedLocusNames=bbp_191;
OS Buchnera aphidicola subsp. Baizongia pistaciae (strain Bp).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Buchnera.
OX NCBI_TaxID=224915;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Bp;
RX PubMed=12522265; DOI=10.1073/pnas.0235981100;
RA van Ham R.C.H.J., Kamerbeek J., Palacios C., Rausell C., Abascal F.,
RA Bastolla U., Fernandez J.M., Jimenez L., Postigo M., Silva F.J.,
RA Tamames J., Viguera E., Latorre A., Valencia A., Moran F., Moya A.;
RT "Reductive genome evolution in Buchnera aphidicola.";
RL Proc. Natl. Acad. Sci. U.S.A. 100:581-586(2003).
CC -!- FUNCTION: Lipoamide dehydrogenase is a component of the alpha-ketoacid
CC dehydrogenase complexes. {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(R)-N(6)-dihydrolipoyl-L-lysyl-[protein] + NAD(+) = (R)-N(6)-
CC lipoyl-L-lysyl-[protein] + H(+) + NADH; Xref=Rhea:RHEA:15045,
CC Rhea:RHEA-COMP:10474, Rhea:RHEA-COMP:10475, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:83099,
CC ChEBI:CHEBI:83100; EC=1.8.1.4;
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692; Evidence={ECO:0000250};
CC Note=Binds 1 FAD per subunit. {ECO:0000250};
CC -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- MISCELLANEOUS: The active site is a redox-active disulfide bond.
CC {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the class-I pyridine nucleotide-disulfide
CC oxidoreductase family. {ECO:0000305}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AE016826; AAO26923.1; -; Genomic_DNA.
DR RefSeq; WP_011091324.1; NC_004545.1.
DR AlphaFoldDB; Q89AQ8; -.
DR SMR; Q89AQ8; -.
DR STRING; 224915.bbp_191; -.
DR EnsemblBacteria; AAO26923; AAO26923; bbp_191.
DR KEGG; bab:bbp_191; -.
DR eggNOG; COG1249; Bacteria.
DR HOGENOM; CLU_016755_0_1_6; -.
DR OMA; HMVGDRM; -.
DR Proteomes; UP000000601; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004148; F:dihydrolipoyl dehydrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0045454; P:cell redox homeostasis; IEA:InterPro.
DR GO; GO:0006096; P:glycolytic process; IEA:UniProtKB-KW.
DR Gene3D; 3.30.390.30; -; 1.
DR Gene3D; 3.50.50.60; -; 2.
DR InterPro; IPR036188; FAD/NAD-bd_sf.
DR InterPro; IPR023753; FAD/NAD-binding_dom.
DR InterPro; IPR016156; FAD/NAD-linked_Rdtase_dimer_sf.
DR InterPro; IPR006258; Lipoamide_DH.
DR InterPro; IPR001100; Pyr_nuc-diS_OxRdtase.
DR InterPro; IPR004099; Pyr_nucl-diS_OxRdtase_dimer.
DR InterPro; IPR012999; Pyr_OxRdtase_I_AS.
DR Pfam; PF07992; Pyr_redox_2; 1.
DR Pfam; PF02852; Pyr_redox_dim; 1.
DR PIRSF; PIRSF000350; Mercury_reductase_MerA; 1.
DR SUPFAM; SSF51905; SSF51905; 1.
DR SUPFAM; SSF55424; SSF55424; 1.
DR TIGRFAMs; TIGR01350; lipoamide_DH; 1.
DR PROSITE; PS00076; PYRIDINE_REDOX_1; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Disulfide bond; FAD; Flavoprotein; Glycolysis; NAD;
KW Oxidoreductase; Redox-active center; Reference proteome.
FT CHAIN 1..475
FT /note="Dihydrolipoyl dehydrogenase"
FT /id="PRO_0000068021"
FT ACT_SITE 447
FT /note="Proton acceptor"
FT /evidence="ECO:0000250"
FT BINDING 37..46
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
FT BINDING 55
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
FT BINDING 118
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
FT BINDING 183..187
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000250"
FT BINDING 206
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000250"
FT BINDING 239
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000250"
FT BINDING 272..275
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000250"
FT BINDING 315
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
FT BINDING 323
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
FT DISULFID 46..51
FT /note="Redox-active"
FT /evidence="ECO:0000250"
SQ SEQUENCE 475 AA; 52409 MW; A29761D2D44C9BC7 CRC64;
MISKKVDTQV VIIGSGPSGY SAAFRCSDLG LNVVLIEQYY SLGGVCLNVG CIPSKYLLHI
AKVIKDVKKL SRIGISFEKL DINLKEIQCN QKKIIESFSS GISNLARKRN VRIIFGYAKF
LDANSIFVQG EHDSYVVSFN KIVIATGSLS KKLSYIPYDD IRIWNSSFAV SIPSIPKKLL
IIGGGIIGLE MATIYSALGS NVDIIDNSHD ILPHLDRDVI DIFKRSVNHD YNIFFNSNVI
KIVQEKNGLL VHIAENDNKN KRFELYDIIL VAIGRVPNTD MLDISKVGLK TDNNGFIKVN
EQFCTNIPNI YAIGDVIGQP MLAHKGTHEG HIVAEVISGK KHYFNPFVIP CVSYTEPEIA
WVGITENEAR KNNINYEVSS VLWNTLGRAV SSQCSEGVTK LIFDKKTNKI IGGCIVGSNA
GELLGEISLA IEMGCDAEDL ALTIHAHPTL YESINLSAQI FQGTITDLIN KKIKK
