ID A4N5H9_HAEIF Unreviewed; 509 AA.
AC A4N5H9;
DT 15-MAY-2007, integrated into UniProtKB/TrEMBL.
DT 15-MAY-2007, sequence version 1.
DT 27-MAR-2024, entry version 67.
DE RecName: Full=NAD(P) transhydrogenase subunit alpha {ECO:0000256|PIRNR:PIRNR000203};
DE EC=7.1.1.1 {ECO:0000256|PIRNR:PIRNR000203};
GN ORFNames=CGSHi22421_03268 {ECO:0000313|EMBL:EDJ90557.1};
OS Haemophilus influenzae R3021.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=375432 {ECO:0000313|EMBL:EDJ90557.1, ECO:0000313|Proteomes:UP000003798};
RN [1] {ECO:0000313|EMBL:EDJ90557.1, ECO:0000313|Proteomes:UP000003798}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=R3021 {ECO:0000313|EMBL:EDJ90557.1,
RC ECO:0000313|Proteomes:UP000003798};
RX PubMed=17550610; DOI=10.1186/gb-2007-8-6-r103;
RA Hogg J.S., Hu F.Z., Janto B., Boissy R., Hayes J., Keefe R., Post J.C.,
RA Ehrlich G.D.;
RT "Characterization and modeling of the Haemophilus influenzae core and
RT supragenomes based on the complete genomic sequences of Rd and 12 clinical
RT nontypeable strains.";
RL Genome Biol. 8:R103.1-R103.18(2007).
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 -!- SUBUNIT: Heterodimer of an alpha (PntA) and a beta (PntB) chain.
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|ARBA:ARBA00005689, ECO:0000256|PIRNR:PIRNR000203}.
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DR EMBL; AAZE01000012; EDJ90557.1; -; Genomic_DNA.
DR AlphaFoldDB; A4N5H9; -.
DR Proteomes; UP000003798; 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; IPR008143; Ala_DH/PNT_CS2.
DR InterPro; IPR008142; AlaDH/PNT_CS1.
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.
DR PROSITE; PS00836; ALADH_PNT_1; 1.
DR PROSITE; PS00837; ALADH_PNT_2; 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 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 448..471
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 478..499
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 4..137
FT /note="Alanine dehydrogenase/pyridine nucleotide
FT transhydrogenase N-terminal"
FT /evidence="ECO:0000259|SMART:SM01003"
FT DOMAIN 146..311
FT /note="Alanine dehydrogenase/pyridine nucleotide
FT transhydrogenase NAD(H)-binding"
FT /evidence="ECO:0000259|SMART:SM01002"
FT REGION 375..394
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 509 AA; 54894 MW; 7DE2DCAEB6B4B850 CRC64;
MLIGVPRELL ENESRVAATP KTVQQILKLG FDVIVEHDAG FKASFEDQAF LEAGAKIGTS
AEIWQSDIIF KVNAPTDEEI AQMKEGATLV SFIWRMQNPE LMKKLTAKKI NVLAMDAVPR
ISRAQALDAL SSMANISGYR AVIEAAHEFG SFFTGQITAA GKVPPAKVLV IGAGVAGLAA
IGAANSLGAI VRAFDSRPEV KEQVQSMGAS FLEIDFKEEG GSGDGYAKVM SEEFNRRAME
LYAEQAKEVD IIITTAAIPG KPAPRLITKE MVDSMKPGSV IVDLAAATGG NCEYTQAGKV
VTTENQVKVI GYTDFPSRLP TQSSQLYGTN LVNLLKLLCK EKDGNINIDF EDVVLRGVTV
VRDGEEIPPA QIQVSAQPKQ ETKAAPVAEK KESKPTDPRV KYGVMAGVGV LFLWLASVAP
AAFLSHFTVF VLACVVGYYV VWNVSHALHT PLMAVTNAIS GIIIVGALLQ IRQPTGNLFI
DALAFVAIFG GKHQYFWWFP CHTTYVSNV
//
