ID A0A1K1U630_9GAMM Unreviewed; 464 AA.
AC A0A1K1U630;
DT 15-FEB-2017, integrated into UniProtKB/TrEMBL.
DT 15-FEB-2017, sequence version 1.
DT 27-MAR-2024, entry version 36.
DE RecName: Full=Soluble pyridine nucleotide transhydrogenase {ECO:0000256|ARBA:ARBA00016603, ECO:0000256|HAMAP-Rule:MF_00247};
DE Short=STH {ECO:0000256|HAMAP-Rule:MF_00247};
DE EC=1.6.1.1 {ECO:0000256|ARBA:ARBA00012772, ECO:0000256|HAMAP-Rule:MF_00247};
DE AltName: Full=NAD(P)(+) transhydrogenase [B-specific] {ECO:0000256|ARBA:ARBA00031183, ECO:0000256|HAMAP-Rule:MF_00247};
GN Name=sthA {ECO:0000256|HAMAP-Rule:MF_00247};
GN ORFNames=SAMN02745752_00471 {ECO:0000313|EMBL:SFX08319.1};
OS Marinospirillum alkaliphilum DSM 21637.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Oceanospirillaceae; Marinospirillum.
OX NCBI_TaxID=1122209 {ECO:0000313|EMBL:SFX08319.1, ECO:0000313|Proteomes:UP000182350};
RN [1] {ECO:0000313|EMBL:SFX08319.1, ECO:0000313|Proteomes:UP000182350}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 21637 {ECO:0000313|EMBL:SFX08319.1,
RC ECO:0000313|Proteomes:UP000182350};
RA Jaros S., Januszkiewicz K., Wedrychowicz H.;
RL Submitted (NOV-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, ECO:0000256|HAMAP-
CC Rule:MF_00247}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=NAD(+) + NADPH = NADH + NADP(+); Xref=Rhea:RHEA:11692,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57783, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:58349; EC=1.6.1.1; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_00247};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00247,
CC ECO:0000256|PIRSR:PIRSR000350-3};
CC Note=Binds 1 FAD per subunit. {ECO:0000256|HAMAP-Rule:MF_00247,
CC ECO:0000256|PIRSR:PIRSR000350-3};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|HAMAP-Rule:MF_00247}.
CC -!- SIMILARITY: Belongs to the class-I pyridine nucleotide-disulfide
CC oxidoreductase family. {ECO:0000256|ARBA:ARBA00007532,
CC ECO:0000256|HAMAP-Rule:MF_00247}.
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DR EMBL; FPJW01000001; SFX08319.1; -; Genomic_DNA.
DR RefSeq; WP_072324688.1; NZ_FPJW01000001.1.
DR AlphaFoldDB; A0A1K1U630; -.
DR STRING; 1122209.SAMN02745752_00471; -.
DR OrthoDB; 9800167at2; -.
DR Proteomes; UP000182350; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0003957; F:NAD(P)+ transhydrogenase (B-specific) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006739; P:NADP metabolic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.30.390.30; -; 1.
DR Gene3D; 3.50.50.60; FAD/NAD(P)-binding domain; 2.
DR HAMAP; MF_00247; SthA; 1.
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 InterPro; IPR022962; STH_gammaproteobact.
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, ECO:0000256|HAMAP-Rule:MF_00247};
KW FAD {ECO:0000256|HAMAP-Rule:MF_00247, ECO:0000256|PIRSR:PIRSR000350-3};
KW Flavoprotein {ECO:0000256|HAMAP-Rule:MF_00247};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_00247};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_00247};
KW Nucleotide-binding {ECO:0000256|PIRSR:PIRSR000350-3};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00247};
KW Reference proteome {ECO:0000313|Proteomes:UP000182350}.
FT DOMAIN 6..325
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 344..455
FT /note="Pyridine nucleotide-disulphide oxidoreductase
FT dimerisation"
FT /evidence="ECO:0000259|Pfam:PF02852"
FT BINDING 35..44
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00247"
FT BINDING 53
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 145..147
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 269
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 310
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
SQ SEQUENCE 464 AA; 51439 MW; 8A22AF0558F16033 CRC64;
MAVYNYDVIV IGTGPAGEGA AMNAAKHGKK VAVVEDQRSV GGNCTHKGTI PSKALRHAVK
QIIQFNTNRM FRDIGEPRWF SFPKVLERSK RVIEKQVSLR TGFYARNRAD VFFGKARFVD
PHTVEVRDFN SGIEFLKAQK IIIATGSSPY RPADINFDHP RIYCSDSILG LSHTPRSIII
YGAGVIGCEY ASIFSGLGVK VDLIDNRDRL LSFLDDEISD GLSYHLRNNG VLIRHNEEYE
KVEVVEQGVA LHLKSGKKLK ADAFMWCNGR TGNTADLGLE NIGLEANSRG QLQVDDHYRT
AIPHIYAAGD VIGWPSLASA SYDQGRSAAA DFLEEPDFRF IDDVPTGIYT IPEISSIGKT
ERELTEEKIP YEVGQAFFRT LARAQITGEP VGMLKILFHR ETLEILGIHC FGDQASEIVH
IGQAVMAQKG GGNTLKYFIN TTFNYPTMAE AYRVAAINGL NRVF
//
