DLDH_HAEIN
ID DLDH_HAEIN Reviewed; 478 AA.
AC P43784;
DT 01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 2.
DT 03-AUG-2022, entry version 152.
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=HI_1231;
OS Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=71421;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX PubMed=7542800; DOI=10.1126/science.7542800;
RA Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT Rd.";
RL Science 269:496-512(1995).
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.
CC -!- MISCELLANEOUS: The active site is a redox-active disulfide bond.
CC -!- SIMILARITY: Belongs to the class-I pyridine nucleotide-disulfide
CC oxidoreductase family. {ECO:0000305}.
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DR EMBL; L42023; AAC22884.1; -; Genomic_DNA.
DR PIR; H64111; H64111.
DR RefSeq; NP_439387.1; NC_000907.1.
DR RefSeq; WP_010869158.1; NC_000907.1.
DR AlphaFoldDB; P43784; -.
DR SMR; P43784; -.
DR STRING; 71421.HI_1231; -.
DR PRIDE; P43784; -.
DR EnsemblBacteria; AAC22884; AAC22884; HI_1231.
DR KEGG; hin:HI_1231; -.
DR PATRIC; fig|71421.8.peg.1283; -.
DR eggNOG; COG1249; Bacteria.
DR HOGENOM; CLU_016755_0_1_6; -.
DR OMA; HMVGDRM; -.
DR PhylomeDB; P43784; -.
DR BioCyc; HINF71421:G1GJ1-1262-MON; -.
DR Proteomes; UP000000579; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004148; F:dihydrolipoyl dehydrogenase activity; IBA:GO_Central.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IBA:GO_Central.
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 INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000250"
FT CHAIN 2..478
FT /note="Dihydrolipoyl dehydrogenase"
FT /id="PRO_0000068030"
FT ACT_SITE 445
FT /note="Proton acceptor"
FT /evidence="ECO:0000250"
FT BINDING 36..45
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
FT BINDING 54
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
FT BINDING 117
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 270..273
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000250"
FT BINDING 313
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
FT BINDING 321
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000250"
FT DISULFID 45..50
FT /note="Redox-active"
FT /evidence="ECO:0000250"
SQ SEQUENCE 478 AA; 51154 MW; E2554EE977AF749C CRC64;
MSKEIKTQVV VLGAGPAGYS AAFRCADLGL ETVIVERYST LGGVCLNVGC IPSKALLHVA
KVIEEAKHAN KNGIYFSEPR IELDEVRAGK EAVVAKLTGG LAGMAKARKV TVVEGLATFT
DSHTLVARDR DGNPTTVKFD NAIIAAGSRP VQLPFIPHED PRIWDSTDAL KLKEVPKKLL
IMGGGIIGLE MGTVYNALGS EVEVVEMFDQ VIPAADKDVV GIYTKQVEKK FKLMLETKVT
AVEAKDDGIY VSMEGKACND TKRYDAVLVA IGRVPNGKLI DAGKAGVEVD DRGFIHVDKQ
MRTNVPHIYA IGDIVGQPML AHKGVHEGHV AAEVIAGQKH YFDPKVIPSI AYTEPEVAWV
GKTEKECKQE GLNYEVAKFP WAASGRAIAS ECSEGMTKLI FDKDTHRVLG GAIVGSNGGE
LLGEIGLAIE MGCDAEDIAL TIHAHPTLHE SVGLAAEVFE GSITDLPNAK AKEKIISI
