ID NUOA_RICPR Reviewed; 123 AA. AC Q9ZDH1; DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot. DT 01-MAY-1999, sequence version 1. DT 04-NOV-2008, entry version 46. DE RecName: Full=NADH-quinone oxidoreductase subunit A; DE EC=1.6.99.5; DE AltName: Full=NADH dehydrogenase I subunit A; DE AltName: Full=NDH-1 subunit A; GN Name=nuoA; OrderedLocusNames=RP357; OS Rickettsia prowazekii. OC Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales; OC Rickettsiaceae; Rickettsieae; Rickettsia; typhus group. OX NCBI_TaxID=782; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Madrid E; RX MEDLINE=99039499; PubMed=9823893; DOI=10.1038/24094; RA Andersson S.G.E., Zomorodipour A., Andersson J.O., RA Sicheritz-Ponten T., Alsmark U.C.M., Podowski R.M., Naeslund A.K., RA Eriksson A.-S., Winkler H.H., Kurland C.G.; RT "The genome sequence of Rickettsia prowazekii and the origin of RT mitochondria."; RL Nature 396:133-140(1998). CC -!- FUNCTION: NDH-1 shuttles electrons from NADH, via FMN and iron- CC sulfur (Fe-S) centers, to quinones in the respiratory chain. CC Couples the redox reaction to proton translocation (for every two CC electrons transferred, four hydrogen ions are translocated across CC the cytoplasmic membrane), and thus conserves the redox energy in CC a proton gradient (By similarity). CC -!- CATALYTIC ACTIVITY: NADH + quinone = NAD(+) + quinol. CC -!- SUBCELLULAR LOCATION: Cell membrane; Multi-pass membrane protein. CC -!- SIMILARITY: Belongs to the complex I subunit 3 family. CC ----------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution-NoDerivs License CC ----------------------------------------------------------------------- DR EMBL; AJ235271; CAA14817.1; -; Genomic_DNA. DR PIR; G71692; G71692. DR RefSeq; NP_220741.1; -. DR GeneID; 883383; -. DR GenomeReviews; AJ235269_GR; RP357. DR KEGG; rpr:RP357; -. DR HOGENOM; Q9ZDH1; -. DR BioCyc; RPRO272947:RP357-MON; -. DR GO; GO:0016021; C:integral to membrane; IEA:UniProtKB-KW. DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-KW. DR GO; GO:0048038; F:quinone binding; IEA:UniProtKB-KW. DR InterPro; IPR000440; Oxidored_q4. DR PANTHER; PTHR11058; Oxidored_q4; 1. DR Pfam; PF00507; Oxidored_q4; 1. PE 3: Inferred from homology; KW Cell membrane; Complete proteome; Membrane; NAD; Oxidoreductase; KW Quinone; Transmembrane. FT CHAIN 1 123 NADH-quinone oxidoreductase subunit A. FT /FTId=PRO_0000117876. FT TRANSMEM 11 31 Potential. FT TRANSMEM 68 88 Potential. FT TRANSMEM 93 113 Potential. SQ SEQUENCE 123 AA; 14342 MW; 39AFA4EEC7E04176 CRC64; MLQNSELLQE YLPIAIFFGI AVLLSVLIMI LPNLLSTKKY NKDKLEPYEC GFEPFSDARS KFDIRFYLVA ILFIIFDLEI AFLVPWAISL NTIGKMGFFS MMFFLFVLII GFIYEWTKGA LDW //