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ATPF_OLTVI
ID   ATPF_OLTVI              Reviewed;         183 AA.
AC   Q20EV8;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   18-APR-2006, sequence version 1.
DT   25-MAY-2022, entry version 51.
DE   RecName: Full=ATP synthase subunit b, chloroplastic {ECO:0000255|HAMAP-Rule:MF_01398};
DE   AltName: Full=ATP synthase F(0) sector subunit b {ECO:0000255|HAMAP-Rule:MF_01398};
DE   AltName: Full=ATPase subunit I {ECO:0000255|HAMAP-Rule:MF_01398};
GN   Name=atpF {ECO:0000255|HAMAP-Rule:MF_01398};
OS   Oltmannsiellopsis viridis (Marine flagellate) (Oltmannsiella viridis).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; Ulvophyceae; Oltmannsiellopsidales;
OC   Oltmannsiellopsidaceae; Oltmannsiellopsis.
OX   NCBI_TaxID=51324;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16472375; DOI=10.1186/1741-7007-4-3;
RA   Pombert J.-F., Lemieux C., Turmel M.;
RT   "The complete chloroplast DNA sequence of the green alga Oltmannsiellopsis
RT   viridis reveals a distinctive quadripartite architecture in the chloroplast
RT   genome of early diverging ulvophytes.";
RL   BMC Biol. 4:3-3(2006).
CC   -!- FUNCTION: F(1)F(0) ATP synthase produces ATP from ADP in the presence
CC       of a proton or sodium gradient. F-type ATPases consist of two
CC       structural domains, F(1) containing the extramembraneous catalytic core
CC       and F(0) containing the membrane proton channel, linked together by a
CC       central stalk and a peripheral stalk. During catalysis, ATP synthesis
CC       in the catalytic domain of F(1) is coupled via a rotary mechanism of
CC       the central stalk subunits to proton translocation. {ECO:0000255|HAMAP-
CC       Rule:MF_01398}.
CC   -!- FUNCTION: Component of the F(0) channel, it forms part of the
CC       peripheral stalk, linking F(1) to F(0). {ECO:0000255|HAMAP-
CC       Rule:MF_01398}.
CC   -!- SUBUNIT: F-type ATPases have 2 components, F(1) - the catalytic core
CC       - and F(0) - the membrane proton channel. F(1) has five subunits:
CC       alpha(3), beta(3), gamma(1), delta(1), epsilon(1). F(0) has four main
CC       subunits: a(1), b(1), b'(1) and c(10-14). The alpha and beta chains
CC       form an alternating ring which encloses part of the gamma chain. F(1)
CC       is attached to F(0) by a central stalk formed by the gamma and epsilon
CC       chains, while a peripheral stalk is formed by the delta, b and b'
CC       chains. {ECO:0000255|HAMAP-Rule:MF_01398}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01398}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01398}.
CC   -!- MISCELLANEOUS: In plastids the F-type ATPase is also known as
CC       CF(1)CF(0).
CC   -!- SIMILARITY: Belongs to the ATPase B chain family. {ECO:0000255|HAMAP-
CC       Rule:MF_01398}.
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DR   EMBL; DQ291132; ABB81955.1; -; Genomic_DNA.
DR   RefSeq; YP_635887.1; NC_008099.1.
DR   AlphaFoldDB; Q20EV8; -.
DR   SMR; Q20EV8; -.
DR   GeneID; 4100081; -.
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: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   HAMAP; MF_01398; ATP_synth_b_bprime; 1.
DR   InterPro; IPR002146; ATP_synth_b/b'su_bac/chlpt.
DR   Pfam; PF00430; ATP-synt_B; 1.
PE   3: Inferred from homology;
KW   ATP synthesis; CF(0); Chloroplast; Hydrogen ion transport; Ion transport;
KW   Membrane; Plastid; Thylakoid; Transmembrane; Transmembrane helix;
KW   Transport.
FT   CHAIN           1..183
FT                   /note="ATP synthase subunit b, chloroplastic"
FT                   /id="PRO_0000368964"
FT   TRANSMEM        33..51
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01398"
SQ   SEQUENCE   183 AA;  20378 MW;  750DFDFE57BDDF94 CRC64;
     METYMDTLNQ LSTICFGHGD GFGINTNILE TNIINLSVVI GVVVSFGGDA LRSLLDNRKE
     TILANLQEAD LRAKEAQEKL AAARLQLEQA QTKAQEIRQQ GTITAEQEKQ LCIKQAEADM
     ARLEDVKQQT LRLQQQRAMS QVSQQVIALA LQKVRQKLQD AANSAFHTSV NNSNIAFFTK
     YKV
 
 
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