ID B6BB61_9RHOB Unreviewed; 523 AA.
AC B6BB61;
DT 25-NOV-2008, integrated into UniProtKB/TrEMBL.
DT 25-NOV-2008, sequence version 1.
DT 27-MAR-2024, entry version 50.
DE RecName: Full=NAD(P) transhydrogenase subunit alpha {ECO:0000256|PIRNR:PIRNR000203};
DE EC=7.1.1.1 {ECO:0000256|PIRNR:PIRNR000203};
GN Name=pntA_1 {ECO:0000313|EMBL:EDZ46787.1};
GN ORFNames=RBY4I_2004 {ECO:0000313|EMBL:EDZ46787.1};
OS Rhodobacterales bacterium Y4I.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales.
OX NCBI_TaxID=439496 {ECO:0000313|EMBL:EDZ46787.1, ECO:0000313|Proteomes:UP000005133};
RN [1] {ECO:0000313|EMBL:EDZ46787.1, ECO:0000313|Proteomes:UP000005133}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Y4I {ECO:0000313|EMBL:EDZ46787.1,
RC ECO:0000313|Proteomes:UP000005133};
RA Moran M.A., Buchan A., Ferriera S., Johnson J., Kravitz S., Beeson K.,
RA Sutton G., Rogers Y.-H., Friedman R., Frazier M., Venter J.C.;
RL Submitted (JUL-2008) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: The transhydrogenation between NADH and NADP is coupled to
CC respiration and ATP hydrolysis and functions as a proton pump across
CC the membrane. {ECO:0000256|ARBA:ARBA00003943,
CC ECO:0000256|PIRNR:PIRNR000203}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+)(in) + NAD(+) + NADPH = H(+)(out) + NADH + NADP(+);
CC Xref=Rhea:RHEA:47992, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540,
CC ChEBI:CHEBI:57783, ChEBI:CHEBI:57945, ChEBI:CHEBI:58349; EC=7.1.1.1;
CC Evidence={ECO:0000256|ARBA:ARBA00000006,
CC ECO:0000256|PIRNR:PIRNR000203};
CC -!- SUBCELLULAR LOCATION: Cell inner membrane
CC {ECO:0000256|ARBA:ARBA00004429}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004429}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the AlaDH/PNT family.
CC {ECO:0000256|PIRNR:PIRNR000203}.
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DR EMBL; DS995281; EDZ46787.1; -; Genomic_DNA.
DR AlphaFoldDB; B6BB61; -.
DR STRING; 439496.RBY4I_2004; -.
DR eggNOG; COG3288; Bacteria.
DR HOGENOM; CLU_003376_2_1_5; -.
DR OrthoDB; 9804592at2; -.
DR Proteomes; UP000005133; Unassembled WGS sequence.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0008746; F:NAD(P)+ transhydrogenase activity; IEA:InterPro.
DR GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR GO; GO:1902600; P:proton transmembrane transport; IEA:InterPro.
DR CDD; cd05304; Rubrum_tdh; 1.
DR Gene3D; 3.40.50.720; NAD(P)-binding Rossmann-like Domain; 2.
DR InterPro; IPR007886; AlaDH/PNT_N.
DR InterPro; IPR007698; AlaDH/PNT_NAD(H)-bd.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR InterPro; IPR026255; NADP_transhyd_a.
DR InterPro; IPR024605; NADP_transhyd_a_C.
DR NCBIfam; TIGR00561; pntA; 1.
DR PANTHER; PTHR10160; NAD(P) TRANSHYDROGENASE; 1.
DR PANTHER; PTHR10160:SF19; PROTON-TRANSLOCATING NAD(P)(+) TRANSHYDROGENASE; 1.
DR Pfam; PF01262; AlaDh_PNT_C; 1.
DR Pfam; PF05222; AlaDh_PNT_N; 1.
DR Pfam; PF12769; PNTB_4TM; 1.
DR PIRSF; PIRSF000203; NADP_transhydrogenase_alpha; 1.
DR SMART; SM01002; AlaDh_PNT_C; 1.
DR SMART; SM01003; AlaDh_PNT_N; 1.
DR SUPFAM; SSF52283; Formate/glycerate dehydrogenase catalytic domain-like; 1.
DR SUPFAM; SSF51735; NAD(P)-binding Rossmann-fold domains; 1.
PE 3: Inferred from homology;
KW Cell inner membrane {ECO:0000256|ARBA:ARBA00022519};
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRNR:PIRNR000203};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|PIRNR:PIRNR000203};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|PIRNR:PIRNR000203};
KW Oxidoreductase {ECO:0000313|EMBL:EDZ46787.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000005133};
KW Translocase {ECO:0000256|ARBA:ARBA00022967, ECO:0000256|PIRNR:PIRNR000203};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}.
FT TRANSMEM 415..434
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 440..458
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 465..484
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 490..512
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 4..139
FT /note="Alanine dehydrogenase/pyridine nucleotide
FT transhydrogenase N-terminal"
FT /evidence="ECO:0000259|SMART:SM01003"
FT DOMAIN 148..316
FT /note="Alanine dehydrogenase/pyridine nucleotide
FT transhydrogenase NAD(H)-binding"
FT /evidence="ECO:0000259|SMART:SM01002"
SQ SEQUENCE 523 AA; 55201 MW; 43DF50281E6C1A0C CRC64;
MKIGTPKETY AGENRVAMTP ESAVQLQKLG YDCAIETGAG AAAGFSDAAY EAAGVEIIKT
AAALWKAADI IAKVRQPDAA ELKRLARGKT LISFFNPAGN EEGMALAKAK GANVIAMEMV
PRISRAQKMD ALSSMANIAG YRAVIEAGNN FGRFFTGQIT AAGKVPPAKV LVVGAGVAGL
AAIGTSTSLG AVTYAFDVRP EVAEQVESMG AEFVYLDFEE EQQDGAATGG YASVSSPEFR
EAQLAKFREL APEVDIVITT ALIPNREAPE LWTEDMVAAM KPGSVIVDLA AEKGGNCKLT
VADEKIVTEN GVTIIGYTDF PSRMAAQSSS LYATNIRHMM ADLTPDKNGQ VNHNMEDDVI
RGATVAFEGE ITFPPPPPKV QAIAAKPKAA VPELTPEEKR AREVEAFKAQ TKSQVAMLAG
GGALLLLVGL FAPVSFMQHF IVFALACFVG FQVIWGVAHS LHTPLMAVTN AISSIIILGA
LMQIGSGSFL VILLAALSVF MAGINIFGGF LVTRRMLAMF QKS
//
