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Database: UniProt
Entry: ATPA_HELAN
LinkDB: ATPA_HELAN
Original site: ATPA_HELAN 
ID   ATPA_HELAN              Reviewed;         508 AA.
AC   Q1KXW5;
DT   31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2006, sequence version 1.
DT   27-MAR-2024, entry version 88.
DE   RecName: Full=ATP synthase subunit alpha, chloroplastic {ECO:0000255|HAMAP-Rule:MF_01346};
DE            EC=7.1.2.2 {ECO:0000255|HAMAP-Rule:MF_01346};
DE   AltName: Full=ATP synthase F1 sector subunit alpha {ECO:0000255|HAMAP-Rule:MF_01346};
DE   AltName: Full=F-ATPase subunit alpha {ECO:0000255|HAMAP-Rule:MF_01346};
GN   Name=atpA {ECO:0000255|HAMAP-Rule:MF_01346};
OS   Helianthus annuus (Common sunflower).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; campanulids; Asterales; Asteraceae; Asteroideae;
OC   Heliantheae alliance; Heliantheae; Helianthus.
OX   NCBI_TaxID=4232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. HA383;
RA   Timme R.E., Kuehl J.V., Boore J.L., Jansen R.K.;
RT   "A comparison of the first two published chloroplast genomes in Asteraceae:
RT   Lactuca and Helianthus.";
RL   Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Produces ATP from ADP in the presence of a proton gradient
CC       across the membrane. The alpha chain is a regulatory subunit.
CC       {ECO:0000255|HAMAP-Rule:MF_01346}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + 4 H(+)(in) + H2O = ADP + 5 H(+)(out) + phosphate;
CC         Xref=Rhea:RHEA:57720, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:456216; EC=7.1.2.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01346};
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_01346}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01346}; Peripheral membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01346}.
CC   -!- SIMILARITY: Belongs to the ATPase alpha/beta chains family.
CC       {ECO:0000255|HAMAP-Rule:MF_01346}.
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DR   EMBL; DQ383815; ABD47140.1; -; Genomic_DNA.
DR   RefSeq; YP_588111.1; NC_007977.1.
DR   AlphaFoldDB; Q1KXW5; -.
DR   SMR; Q1KXW5; -.
DR   GeneID; 4055579; -.
DR   KEGG; han:4055579; -.
DR   OrthoDB; 458933at2759; -.
DR   PhylomeDB; Q1KXW5; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0045261; C:proton-transporting ATP synthase complex, catalytic core F(1); IEA:UniProtKB-KW.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046933; F:proton-transporting ATP synthase activity, rotational mechanism; IEA:UniProtKB-UniRule.
DR   GO; GO:0046961; F:proton-transporting ATPase activity, rotational mechanism; IEA:UniProtKB-EC.
DR   CDD; cd18113; ATP-synt_F1_alpha_C; 1.
DR   CDD; cd18116; ATP-synt_F1_alpha_N; 1.
DR   CDD; cd01132; F1-ATPase_alpha_CD; 1.
DR   Gene3D; 2.40.30.20; -; 1.
DR   Gene3D; 1.20.150.20; ATP synthase alpha/beta chain, C-terminal domain; 1.
DR   Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR   HAMAP; MF_01346; ATP_synth_alpha_bact; 1.
DR   InterPro; IPR023366; ATP_synth_asu-like_sf.
DR   InterPro; IPR000793; ATP_synth_asu_C.
DR   InterPro; IPR038376; ATP_synth_asu_C_sf.
DR   InterPro; IPR033732; ATP_synth_F1_a_nt-bd_dom.
DR   InterPro; IPR005294; ATP_synth_F1_asu.
DR   InterPro; IPR020003; ATPase_a/bsu_AS.
DR   InterPro; IPR004100; ATPase_F1/V1/A1_a/bsu_N.
DR   InterPro; IPR036121; ATPase_F1/V1/A1_a/bsu_N_sf.
DR   InterPro; IPR000194; ATPase_F1/V1/A1_a/bsu_nucl-bd.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   NCBIfam; TIGR00962; atpA; 1.
DR   PANTHER; PTHR48082:SF12; ATP SYNTHASE SUBUNIT ALPHA, CHLOROPLASTIC; 1.
DR   PANTHER; PTHR48082; ATP SYNTHASE SUBUNIT ALPHA, MITOCHONDRIAL; 1.
DR   Pfam; PF00006; ATP-synt_ab; 1.
DR   Pfam; PF00306; ATP-synt_ab_C; 1.
DR   Pfam; PF02874; ATP-synt_ab_N; 1.
DR   PIRSF; PIRSF039088; F_ATPase_subunit_alpha; 1.
DR   SUPFAM; SSF47917; C-terminal domain of alpha and beta subunits of F1 ATP synthase; 1.
DR   SUPFAM; SSF50615; N-terminal domain of alpha and beta subunits of F1 ATP synthase; 1.
DR   SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR   PROSITE; PS00152; ATPASE_ALPHA_BETA; 1.
PE   3: Inferred from homology;
KW   ATP synthesis; ATP-binding; CF(1); Chloroplast; Hydrogen ion transport;
KW   Ion transport; Membrane; Nucleotide-binding; Plastid; Thylakoid;
KW   Translocase; Transport.
FT   CHAIN           1..508
FT                   /note="ATP synthase subunit alpha, chloroplastic"
FT                   /id="PRO_0000256121"
FT   BINDING         170..177
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01346"
FT   SITE            363
FT                   /note="Required for activity"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01346"
SQ   SEQUENCE   508 AA;  55517 MW;  9080B924664BE451 CRC64;
     MVTIQADEIS NIIRERIEQY NREVKIVNTG TVLQVGDGIA RIHGLDEVMA GELVEFQEGT
     IGIALNLEST NVGVVLMGDG LLIQEGSSVK ATGKIAQIPV SEAYLGRVIN ALAKPIDGRG
     EISSSEYRLI ESPAPGIISR RSVYEPLQTG LIAIDSMIPI GRGQRELIIG DRQTGKTAVA
     TDTILNQQGQ NVICVYVAIG QKASSVAQVV TTFQEKGAME YTIVVAETAD SPATLQYLAP
     YTGAALAEYF MYRERHTLII YDDLSKQAQA YRQMSLLLRR PPGREAYPGD VFYLHSRLLE
     RAAKLSSLLG EGSMTALPIV ETQSGDVSAY IPTNVISITD GQIFLSADLF NAGIRPAINV
     GISVSRVGSA AQIKAMKQVA GKLKLELAQF AELEAFAQFA SDLDKATQNQ LARGQRLREL
     LKQSQSAPLA VEEQILTIYT GTNGYLDSLE VGQVRKFLVE LRTYLKTNKP QFQEIISSTK
     IFTEEAEAIL KEAIQEQRER FILQEQAA
//
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