ATP6_PROMM
ID ATP6_PROMM Reviewed; 241 AA.
AC Q7V5S2;
DT 10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2003, sequence version 1.
DT 25-MAY-2022, entry version 104.
DE RecName: Full=ATP synthase subunit a {ECO:0000255|HAMAP-Rule:MF_01393};
DE AltName: Full=ATP synthase F0 sector subunit a {ECO:0000255|HAMAP-Rule:MF_01393};
DE AltName: Full=F-ATPase subunit 6 {ECO:0000255|HAMAP-Rule:MF_01393};
GN Name=atpB {ECO:0000255|HAMAP-Rule:MF_01393};
GN Synonyms=atpI {ECO:0000255|HAMAP-Rule:MF_01393};
GN OrderedLocusNames=PMT_1472;
OS Prochlorococcus marinus (strain MIT 9313).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Prochlorococcus.
OX NCBI_TaxID=74547;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MIT 9313;
RX PubMed=12917642; DOI=10.1038/nature01947;
RA Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA Chisholm S.W.;
RT "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT differentiation.";
RL Nature 424:1042-1047(2003).
CC -!- FUNCTION: Key component of the proton channel; it plays a direct role
CC in the translocation of protons across the membrane.
CC {ECO:0000255|HAMAP-Rule:MF_01393}.
CC -!- SUBUNIT: F-type ATPases have 2 components, CF(1) - the catalytic core
CC - and CF(0) - the membrane proton channel. CF(1) has five subunits:
CC alpha(3), beta(3), gamma(1), delta(1), epsilon(1). CF(0) has four main
CC subunits: a, b, b' and c. {ECO:0000255|HAMAP-Rule:MF_01393}.
CC -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC Rule:MF_01393}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_01393}.
CC -!- SIMILARITY: Belongs to the ATPase A chain family. {ECO:0000255|HAMAP-
CC Rule:MF_01393}.
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DR EMBL; BX548175; CAE21647.1; -; Genomic_DNA.
DR RefSeq; WP_011130840.1; NC_005071.1.
DR AlphaFoldDB; Q7V5S2; -.
DR SMR; Q7V5S2; -.
DR STRING; 74547.PMT_1472; -.
DR EnsemblBacteria; CAE21647; CAE21647; PMT_1472.
DR KEGG; pmt:PMT_1472; -.
DR eggNOG; COG0356; Bacteria.
DR HOGENOM; CLU_041018_2_4_3; -.
DR OMA; FTHAVRL; -.
DR OrthoDB; 867266at2; -.
DR Proteomes; UP000001423; Chromosome.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0045263; C:proton-transporting ATP synthase complex, coupling factor F(o); IEA:UniProtKB-KW.
DR GO; GO:0046933; F:proton-transporting ATP synthase activity, rotational mechanism; IEA:UniProtKB-UniRule.
DR Gene3D; 1.20.120.220; -; 1.
DR HAMAP; MF_01393; ATP_synth_a_bact; 1.
DR InterPro; IPR045082; ATP_syn_F0_a_bact/chloroplast.
DR InterPro; IPR000568; ATP_synth_F0_asu.
DR InterPro; IPR023011; ATP_synth_F0_asu_AS.
DR InterPro; IPR035908; F0_ATP_A_sf.
DR PANTHER; PTHR42823; PTHR42823; 1.
DR Pfam; PF00119; ATP-synt_A; 1.
DR PRINTS; PR00123; ATPASEA.
DR SUPFAM; SSF81336; SSF81336; 1.
DR TIGRFAMs; TIGR01131; ATP_synt_6_or_A; 1.
DR PROSITE; PS00449; ATPASE_A; 1.
PE 3: Inferred from homology;
KW ATP synthesis; CF(0); Hydrogen ion transport; Ion transport; Membrane;
KW Reference proteome; Thylakoid; Transmembrane; Transmembrane helix;
KW Transport.
FT CHAIN 1..241
FT /note="ATP synthase subunit a"
FT /id="PRO_0000362381"
FT TRANSMEM 30..50
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT TRANSMEM 91..111
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT TRANSMEM 128..148
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT TRANSMEM 193..213
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT TRANSMEM 214..234
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
SQ SEQUENCE 241 AA; 27177 MW; 654E52CCA281DA21 CRC64;
MGFLPIALPF AELEVGQHLY WQIGNLQLHG QVFMTSWIVI GAILALVVVG TRKMERDPHG
VQNLLEFLWD YIRDLARTQI GEKAYRDWMP FIGTLFLFIF VSNWGGSLVP WKLIHLPSGE
LGAPTADINT TVALALLVSL SYFYAGLSRK GLRYFEYYVH PTPIMIPFKI VEDFTKPLSL
SFRLFGNILA DELVVAVLVF LVPLFLPVPV MFLGLFTSAI QALIFATLAA YYIGEAVEEH
H