ID   RNFA_BUCAP              Reviewed;         193 AA.
AC   Q8KA21;
DT   15-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   03-AUG-2022, entry version 113.
DE   RecName: Full=Ion-translocating oxidoreductase complex subunit A {ECO:0000255|HAMAP-Rule:MF_00459};
DE            EC=7.-.-.- {ECO:0000255|HAMAP-Rule:MF_00459};
DE   AltName: Full=Rnf electron transport complex subunit A {ECO:0000255|HAMAP-Rule:MF_00459};
GN   Name=rnfA {ECO:0000255|HAMAP-Rule:MF_00459}; OrderedLocusNames=BUsg_105;
OS   Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=198804;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sg;
RX   PubMed=12089438; DOI=10.1126/science.1071278;
RA   Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA   Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT   "50 million years of genomic stasis in endosymbiotic bacteria.";
RL   Science 296:2376-2379(2002).
CC   -!- FUNCTION: Part of a membrane-bound complex that couples electron
CC       transfer with translocation of ions across the membrane.
CC       {ECO:0000255|HAMAP-Rule:MF_00459}.
CC   -!- SUBUNIT: The complex is composed of six subunits: RnfA, RnfB, RnfC,
CC       RnfD, RnfE and RnfG. {ECO:0000255|HAMAP-Rule:MF_00459}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00459}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00459}.
CC   -!- SIMILARITY: Belongs to the NqrDE/RnfAE family. {ECO:0000255|HAMAP-
CC       Rule:MF_00459}.
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DR   EMBL; AE013218; AAM67675.1; -; Genomic_DNA.
DR   RefSeq; WP_011053641.1; NC_004061.1.
DR   AlphaFoldDB; Q8KA21; -.
DR   SMR; Q8KA21; -.
DR   STRING; 198804.BUsg_105; -.
DR   EnsemblBacteria; AAM67675; AAM67675; BUsg_105.
DR   KEGG; bas:BUsg_105; -.
DR   eggNOG; COG4657; Bacteria.
DR   HOGENOM; CLU_095255_1_0_6; -.
DR   OMA; CPFFGVS; -.
DR   OrthoDB; 1814639at2; -.
DR   Proteomes; UP000000416; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0022900; P:electron transport chain; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00459; RsxA_RnfA; 1.
DR   InterPro; IPR011293; Ion_transpt_RnfA/RsxA.
DR   InterPro; IPR003667; NqrDE/RnfAE.
DR   Pfam; PF02508; Rnf-Nqr; 1.
DR   PIRSF; PIRSF006102; NQR_DE; 1.
DR   TIGRFAMs; TIGR01943; rnfA; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Electron transport; Membrane;
KW   Translocase; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..193
FT                   /note="Ion-translocating oxidoreductase complex subunit A"
FT                   /id="PRO_0000214287"
FT   TRANSMEM        5..25
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00459"
FT   TRANSMEM        47..67
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00459"
FT   TRANSMEM        72..92
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00459"
FT   TRANSMEM        102..122
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00459"
FT   TRANSMEM        134..154
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00459"
FT   TRANSMEM        171..191
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00459"
SQ   SEQUENCE   193 AA;  21684 MW;  58D4CF15C0BAE400 CRC64;
     MKSYFFFILS NILIDNFILV KFLGLCPFIG ASNQIKQAFG ISFATSFVVV VSTVLLWFVN
     FFILLPFDLV YLRIIVYMLI ISFGVQLIEI ILRGTSPILY RILGIFLPLI TTNCAVLAIP
     LFSLYLNHTF LESILYAVSA SFGFTLVMVI FSSIRERILL SDVPLAFQGS PIVLITVSLI
     SIVFMGFKGL VRI