ID A0A1G7MMM4_9FLAO Unreviewed; 467 AA.
AC A0A1G7MMM4;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 26.
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=SAMN05421825_1774 {ECO:0000313|EMBL:SDF62856.1};
OS Epilithonimonas hungarica.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales; Weeksellaceae;
OC Chryseobacterium group; Epilithonimonas.
OX NCBI_TaxID=454006 {ECO:0000313|EMBL:SDF62856.1, ECO:0000313|Proteomes:UP000199203};
RN [1] {ECO:0000313|Proteomes:UP000199203}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 19684 {ECO:0000313|Proteomes:UP000199203};
RA Varghese N., Submissions S.;
RL Submitted (OCT-2016) 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}.
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DR EMBL; FNBH01000002; SDF62856.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G7MMM4; -.
DR STRING; 454006.SAMN05421825_1774; -.
DR OrthoDB; 9800167at2; -.
DR Proteomes; UP000199203; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProt.
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:SF217; DIHYDROLIPOYL DEHYDROGENASE, MITOCHONDRIAL; 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};
KW Redox-active center {ECO:0000256|ARBA:ARBA00023284,
KW ECO:0000256|RuleBase:RU003692}.
FT DOMAIN 4..328
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 347..456
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 51
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 115
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 144..146
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 181..188
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 204
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 313
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 319..322
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT DISULFID 42..47
FT /note="Redox-active"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-4"
SQ SEQUENCE 467 AA; 50245 MW; 251EFBBD7EA6F457 CRC64;
MSQFDVTVIG SGPGGYVAAI RAAQLGFKTA IIEKYPTLGG TCLNVGCIPS KALLDSSEHF
EKAKHEFADY GIIINEPKVD LAKMIERKNS VVEQTTKGIN FLMDKNKITV FEGLGSFESA
TQIKVTKNDG SSETIDSKYT IIATGSKPSS LPFITLDKER IITSTEALNL KEIPKHLVVI
GGGVIGLELG SVYLRLGSQV TVVEFMDKII PGMDGALSKE LQKVLRKQGM KFELSTAVSA
VERNGDSVKV TAKNKKGEEV NFEGDYVLVS VGRRPYTDGL GLEKAGVELD ERGRVKTNDH
LQTNVSNIYA IGDVIKGAML AHKAEEEGTL VAEILAGQKP HINYNLIPGV VYTWPEVAGV
GKTEEQLKAD GVDYKVGNFP MRALGRSRAS GDTDGFVKII ADAKTDEVLG FHMIGARAAD
LVAEGVIAME FRASAEDIAR SSHAHPTYAE AVKEAALDAT GKRSIHM
//
