ID A0A1X1QE92_9GAMM Unreviewed; 470 AA.
AC A0A1X1QE92;
DT 05-JUL-2017, integrated into UniProtKB/TrEMBL.
DT 05-JUL-2017, sequence version 1.
DT 27-MAR-2024, entry version 25.
DE RecName: Full=Soluble pyridine nucleotide transhydrogenase {ECO:0000256|ARBA:ARBA00016603};
DE EC=1.6.1.1 {ECO:0000256|ARBA:ARBA00012772};
DE AltName: Full=NAD(P)(+) transhydrogenase [B-specific] {ECO:0000256|ARBA:ARBA00031183};
GN ORFNames=A6F71_00655 {ECO:0000313|EMBL:ORU89511.1};
OS Cycloclasticus sp. symbiont of Poecilosclerida sp. M.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC Piscirickettsiaceae; Cycloclasticus.
OX NCBI_TaxID=1840537 {ECO:0000313|EMBL:ORU89511.1, ECO:0000313|Proteomes:UP000193579};
RN [1] {ECO:0000313|EMBL:ORU89511.1, ECO:0000313|Proteomes:UP000193579}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Specimen M {ECO:0000313|EMBL:ORU89511.1};
RA Rubin Blum M., Dubilier N.;
RT "Short-chain alkanes fuel the metabolism of mussel and sponge
RT Cycloclasticus symbionts from deep-sea gas and oil seeps.";
RL Submitted (APR-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Conversion of NADPH, generated by peripheral catabolic
CC pathways, to NADH, which can enter the respiratory chain for energy
CC generation. {ECO:0000256|ARBA:ARBA00002842}.
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|PIRSR:PIRSR000350-3};
CC Note=Binds 1 FAD per subunit. {ECO:0000256|PIRSR:PIRSR000350-3};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496}.
CC -!- SIMILARITY: Belongs to the class-I pyridine nucleotide-disulfide
CC oxidoreductase family. {ECO:0000256|ARBA:ARBA00007532}.
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:ORU89511.1}.
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DR EMBL; LWTN01000243; ORU89511.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1X1QE92; -.
DR STRING; 1840537.A6F71_00655; -.
DR Proteomes; UP000193579; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-KW.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0016491; F:oxidoreductase activity; IEA:UniProtKB-KW.
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; IPR001100; Pyr_nuc-diS_OxRdtase.
DR InterPro; IPR004099; Pyr_nucl-diS_OxRdtase_dimer.
DR PANTHER; PTHR22912; DISULFIDE OXIDOREDUCTASE; 1.
DR PANTHER; PTHR22912:SF93; SOLUBLE PYRIDINE NUCLEOTIDE TRANSHYDROGENASE; 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.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW FAD {ECO:0000256|PIRSR:PIRSR000350-3};
KW Flavoprotein {ECO:0000256|PIRSR:PIRSR000350-3};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRSR:PIRSR000350-3};
KW NADP {ECO:0000256|ARBA:ARBA00022857};
KW Nucleotide-binding {ECO:0000256|PIRSR:PIRSR000350-3};
KW Reference proteome {ECO:0000313|Proteomes:UP000193579}.
FT DOMAIN 6..328
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 348..459
FT /note="Pyridine nucleotide-disulphide oxidoreductase
FT dimerisation"
FT /evidence="ECO:0000259|Pfam:PF02852"
FT BINDING 53
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 184..191
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 271
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"
SQ SEQUENCE 470 AA; 52069 MW; FF3A5389C06890A5 CRC64;
MSKYDYDVIV VGTGPGGEGA AMKACKEGKK VAIIERYQEV GGGCTHWGTI PSKALRQAVQ
RVIQFNRNRW FKEACGGPLH LTFPQLLSSA TDVIKQQVNM RSSFYERNNL DLIYGTASFI
DDNTMQIKPN TGKKIRKVTS WVFVLAPGSH PYRPDDVDFD HPRVFDSDTI LNLDFTPRSI
TIYGAGVIGS EYASIFQGLG VKVDLINTQE GLLAFLDEEI VHALSHDMRR QGVVIRSNEE
YDSISAEDKA VVTLLKSGKK IKTDIFLWAN GRTGNFEDLA LNKVSIKPNS RGQINVNENY
QVEGKEHIYA IGDFIGYPSL ASAAYDQGRF AATHIVDGYC DAKLVKDIPT GIYTNPEISS
VGYTEKELTD LKVPYETGHS RFDSLARAQI SGETQGLLKI IFHSETLQIL GVHCFGDQAA
EIIHIGQAIM SQEGEANTLL YFTNTTFNYP TMAEAYRVAA LSGLNRLDNH
//
