ID Q26EX4_FLABB Unreviewed; 466 AA.
AC Q26EX4;
DT 18-APR-2006, integrated into UniProtKB/TrEMBL.
DT 18-APR-2006, sequence version 1.
DT 27-MAR-2024, entry version 99.
DE RecName: Full=Dihydrolipoyl dehydrogenase {ECO:0000256|ARBA:ARBA00012608, ECO:0000256|RuleBase:RU003692};
DE EC=1.8.1.4 {ECO:0000256|ARBA:ARBA00012608, ECO:0000256|RuleBase:RU003692};
GN ORFNames=BBFL7_02472 {ECO:0000313|EMBL:EAS20072.1};
OS Flavobacteria bacterium (strain BBFL7).
OC Bacteria; Bacteroidota; Flavobacteriia.
OX NCBI_TaxID=156586 {ECO:0000313|EMBL:EAS20072.1, ECO:0000313|Proteomes:UP000002172};
RN [1] {ECO:0000313|EMBL:EAS20072.1, ECO:0000313|Proteomes:UP000002172}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BBFL7 {ECO:0000313|EMBL:EAS20072.1,
RC ECO:0000313|Proteomes:UP000002172};
RA Azam F., Beardsley C., Gaasterland T., Malfatti F., Mayali X., Podell S.,
RA Samo T., Smriga S., Ferriera S., Johnson J., Kravitz S., Halpern A.,
RA Remington K., Beeson K., Tran B., Rogers Y.-H., Friedman R., Venter J.C.;
RL Submitted (MAR-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=N(6)-[(R)-dihydrolipoyl]-L-lysyl-[protein] + NAD(+) = H(+) +
CC N(6)-[(R)-lipoyl]-L-lysyl-[protein] + 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 Evidence={ECO:0000256|ARBA:ARBA00043836,
CC ECO:0000256|RuleBase:RU003692};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|PIRSR:PIRSR000350-3,
CC ECO:0000256|RuleBase:RU003692};
CC Note=Binds 1 FAD per subunit. {ECO:0000256|PIRSR:PIRSR000350-3,
CC ECO:0000256|RuleBase:RU003692};
CC -!- MISCELLANEOUS: The active site is a redox-active disulfide bond.
CC {ECO:0000256|RuleBase:RU003692}.
CC -!- SIMILARITY: Belongs to the class-I pyridine nucleotide-disulfide
CC oxidoreductase family. {ECO:0000256|ARBA:ARBA00007532,
CC ECO:0000256|RuleBase:RU003692}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EAS20072.1}.
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DR EMBL; AAPD01000002; EAS20072.1; -; Genomic_DNA.
DR AlphaFoldDB; Q26EX4; -.
DR STRING; 156586.BBFL7_02472; -.
DR HOGENOM; CLU_016755_0_2_10; -.
DR Proteomes; UP000002172; Unassembled WGS sequence.
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 Gene3D; 3.30.390.30; -; 1.
DR Gene3D; 3.50.50.60; FAD/NAD(P)-binding domain; 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 NCBIfam; TIGR01350; lipoamide_DH; 1.
DR PANTHER; PTHR22912:SF151; DIHYDROLIPOYL DEHYDROGENASE 1, CHLOROPLASTIC; 1.
DR PANTHER; PTHR22912; DISULFIDE OXIDOREDUCTASE; 1.
DR Pfam; PF07992; Pyr_redox_2; 1.
DR Pfam; PF02852; Pyr_redox_dim; 1.
DR PIRSF; PIRSF000350; Mercury_reductase_MerA; 1.
DR PRINTS; PR00368; FADPNR.
DR PRINTS; PR00411; PNDRDTASEI.
DR SUPFAM; SSF51905; FAD/NAD(P)-binding domain; 1.
DR SUPFAM; SSF55424; FAD/NAD-linked reductases, dimerisation (C-terminal) domain; 1.
DR PROSITE; PS00076; PYRIDINE_REDOX_1; 1.
PE 3: Inferred from homology;
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRSR:PIRSR000350-3};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630,
KW ECO:0000256|RuleBase:RU003692};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRSR:PIRSR000350-3};
KW Nucleotide-binding {ECO:0000256|PIRSR:PIRSR000350-3};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU003692}; Pyruvate {ECO:0000313|EMBL:EAS20072.1};
KW Redox-active center {ECO:0000256|ARBA:ARBA00023284,
KW ECO:0000256|RuleBase:RU003692};
KW Reference proteome {ECO:0000313|Proteomes:UP000002172}.
FT DOMAIN 7..327
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 347..455
FT /note="Pyridine nucleotide-disulphide oxidoreductase
FT dimerisation"
FT /evidence="ECO:0000259|Pfam:PF02852"
FT ACT_SITE 445
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-2"
FT BINDING 53
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 116
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 182..189
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 205
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 272
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 312
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT DISULFID 44..49
FT /note="Redox-active"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-4"
SQ SEQUENCE 466 AA; 49643 MW; C55866CCA96D1F50 CRC64;
MTDMSKYDVI VLGSGPGGYV TAIRASQLGL KTAIVEKESL GGVCLNWGCI PTKALIKSAD
VFNYLNHAED YGLKVTGVDK DFNAVVKRSR NVADGMSKGV QFLLKKNKVD VIMGYGTVKK
GKKIEVKAED GSTSTVEGKH IIIATGAKSR VLPNLPQDGK KVIGYREAMT LEKQPKKMIV
VGSGAIGVEF AYFYNSMGTE VTIVEYVDRI VPVEDIDVSK QMERSFKKAG IKIMTSSEVT
GVDTSGNGVK ATVKTKKGEE VLEADIVLSA VGIETNLSNI GLEEIGISTD RGKVLVNDWY
QTNIPGYYAI GDITAGPALA HVASAEGILC VEKIADMHVE PLDYGNIPGC TYSTPEIASV
GMTEAQAKEA GYELKVGKFP FSASGKASAS GAKDGFVKVI FDAKYGEWLG CHMIGAGVTD
MIAEAVLGRK LETTGHEVLK AVHPHPTMSE AVMEAVADAY GEVIHL
//
