ID   ATPB_MICPL              Reviewed;         395 AA.
AC   O03074;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   27-MAY-2002, sequence version 2.
DT   03-AUG-2022, entry version 109.
DE   RecName: Full=ATP synthase subunit beta, chloroplastic {ECO:0000255|HAMAP-Rule:MF_01347};
DE            EC=7.1.2.2 {ECO:0000255|HAMAP-Rule:MF_01347};
DE   AltName: Full=ATP synthase F1 sector subunit beta {ECO:0000255|HAMAP-Rule:MF_01347};
DE   AltName: Full=F-ATPase subunit beta {ECO:0000255|HAMAP-Rule:MF_01347};
DE   Flags: Fragment;
GN   Name=atpB {ECO:0000255|HAMAP-Rule:MF_01347};
OS   Microlepia platyphylla (Plate fern) (Davallia platyphylla).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Polypodiopsida; Polypodiidae; Polypodiales; Dennstaedtiineae;
OC   Dennstaedtiaceae; Microlepia.
OX   NCBI_TaxID=37213;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND SEQUENCE REVISION TO 159.
RA   Wolf P.G., Su P.-H.;
RL   Submitted (JAN-2000) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 157-364.
RC   TISSUE=Frond;
RA   Wolf P.G.;
RT   "Evaluation of atpB nucleotide sequences for phylogenetic studies of ferns
RT   and other pteridophytes.";
RL   Am. J. Bot. 84:1429-1440(1997).
CC   -!- FUNCTION: Produces ATP from ADP in the presence of a proton gradient
CC       across the membrane. The catalytic sites are hosted primarily by the
CC       beta subunits. {ECO:0000255|HAMAP-Rule:MF_01347}.
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_01347};
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(1), b(1), b'(1) and c(9-12). {ECO:0000255|HAMAP-
CC       Rule:MF_01347}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01347}; Peripheral membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01347}.
CC   -!- SIMILARITY: Belongs to the ATPase alpha/beta chains family.
CC       {ECO:0000255|HAMAP-Rule:MF_01347}.
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DR   EMBL; U93832; AAB51740.2; -; Genomic_DNA.
DR   AlphaFoldDB; O03074; -.
DR   SMR; O03074; -.
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-KW.
DR   GO; GO:0046933; F:proton-transporting ATP synthase activity, rotational mechanism; IEA:UniProtKB-EC.
DR   GO; GO:0046961; F:proton-transporting ATPase activity, rotational mechanism; IEA:UniProtKB-EC.
DR   Gene3D; 1.10.1140.10; -; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_01347; ATP_synth_beta_bact; 1.
DR   InterPro; IPR003593; AAA+_ATPase.
DR   InterPro; IPR005722; ATP_synth_F1_bsu.
DR   InterPro; IPR020003; ATPase_a/bsu_AS.
DR   InterPro; IPR000194; ATPase_F1/V1/A1_a/bsu_nucl-bd.
DR   InterPro; IPR024034; ATPase_F1/V1_b/a_C.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   Pfam; PF00006; ATP-synt_ab; 1.
DR   SMART; SM00382; AAA; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR01039; atpD; 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..395
FT                   /note="ATP synthase subunit beta, chloroplastic"
FT                   /id="PRO_0000144526"
FT   BINDING         72..79
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01347"
FT   NON_TER         1
SQ   SEQUENCE   395 AA;  42416 MW;  EBE68C8182E3AC8E CRC64;
     PVGETTLGRI SNVLGEPVDN PGPVQSNTIF PIHRSAPAFT QLDTKLSIFE TGIKVADLLA
     PYRRGGKIGL FGGAGVGKTV LITELINNIA KAHGGVSVSG GVGERTREGN DLYMEMKESK
     VINEQNISES KVALVYGQMN EPPGARMRVG STASTMAEYF RDVNKQDVLL FIDNILRFVQ
     AGSEVSALLG RMPPAVGYQP TLGTEMGSLQ ERITSTKEGS TTSIQAVYVP ADDLTDPAPA
     TTSAHLDATT VLSRGLAAKG IYPAVDPLDS TSTMSQPWIV GEEHYETAQG VKQTLQRYKE
     LQDIIAILGL DELSEEDRLT VARARKIERF PSQPFFVAEV FTGSPGKYVS LPETIKGFQM
     ILPGELDSLP EQAFYLVGNV DEATAKAAAL QVEGQ