ATPI_ANTAG
ID ATPI_ANTAG Reviewed; 248 AA.
AC Q85AE6;
DT 10-MAY-2004, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 25-MAY-2022, entry version 75.
DE RecName: Full=ATP synthase subunit a, chloroplastic {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 IV {ECO:0000255|HAMAP-Rule:MF_01393};
GN Name=atpI {ECO:0000255|HAMAP-Rule:MF_01393};
OS Anthoceros angustus (Hornwort) (Anthoceros formosae).
OG Plastid; Chloroplast.
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Anthocerotophyta;
OC Anthocerotopsida; Anthocerotidae; Anthocerotales; Anthocerotaceae;
OC Anthoceros.
OX NCBI_TaxID=48387;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND RNA EDITING.
RX PubMed=12527781; DOI=10.1093/nar/gkg155;
RA Kugita M., Kaneko A., Yamamoto Y., Takeya Y., Matsumoto T., Yoshinaga K.;
RT "The complete nucleotide sequence of the hornwort (Anthoceros formosae)
RT chloroplast genome: insight into the earliest land plants.";
RL Nucleic Acids Res. 31:716-721(2003).
RN [2]
RP NUCLEOTIDE SEQUENCE [MRNA], AND RNA EDITING.
RC TISSUE=Thallus;
RX PubMed=12711687; DOI=10.1093/nar/gkg327;
RA Kugita M., Yamamoto Y., Fujikawa T., Matsumoto T., Yoshinaga K.;
RT "RNA editing in hornwort chloroplasts makes more than half the genes
RT functional.";
RL Nucleic Acids Res. 31:2417-2423(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: Plastid, chloroplast thylakoid membrane
CC {ECO:0000255|HAMAP-Rule:MF_01393}; Multi-pass membrane protein
CC {ECO:0000255|HAMAP-Rule:MF_01393}.
CC -!- RNA EDITING: Modified_positions=24 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 36 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 38 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 40 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 44 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 53 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 55 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 59 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 86 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 105 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 106 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 115 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 141 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 146 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 184 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 220 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 228 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}, 232 {ECO:0000269|PubMed:12527781,
CC ECO:0000269|PubMed:12711687}; Note=The nonsense codons at positions 24,
CC 38, 59, 86 and 228 are modified to sense codons.;
CC -!- SIMILARITY: Belongs to the ATPase A chain family. {ECO:0000255|HAMAP-
CC Rule:MF_01393}.
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DR EMBL; AB086179; BAC55330.1; -; Genomic_DNA.
DR EMBL; AB087422; BAC55421.1; -; mRNA.
DR RefSeq; NP_777394.1; NC_004543.1.
DR AlphaFoldDB; Q85AE6; -.
DR SMR; Q85AE6; -.
DR GeneID; 2553485; -.
DR GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-UniRule.
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; 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.
PE 2: Evidence at transcript level;
KW ATP synthesis; CF(0); Chloroplast; Hydrogen ion transport; Ion transport;
KW Membrane; Plastid; RNA editing; Thylakoid; Transmembrane;
KW Transmembrane helix; Transport.
FT CHAIN 1..248
FT /note="ATP synthase subunit a, chloroplastic"
FT /id="PRO_0000002576"
FT TRANSMEM 37..57
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT TRANSMEM 96..116
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT TRANSMEM 134..154
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT TRANSMEM 200..220
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
FT TRANSMEM 221..241
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01393"
SQ SEQUENCE 248 AA; 27505 MW; D1C8ED51879E355D CRC64;
MYSAQSSISK LTNLCEISSV EVGQHFYWQI GGFQVHAQVL ITSWIVIAIL LGLAILATQN
LQTIPTSGQN FVEYILEFIR DLTRTQIGEE EYRPWVPFIG TMFLFIFVSN WSGALLPWRI
FELPHGELAA PTNDINTTVA LALPTSVAYF YAGLRKKGLS YSGKYIQPTP ILLPINILED
FTKPLPLSFR LFGNILADEL VVAVPISLVP LVVPIPMMFL GLFTSAIQAL IFATLAAAYI
GESMEGHH
