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ATPF2_ANTSP
ID   ATPF2_ANTSP             Reviewed;         159 AA.
AC   Q02852;
DT   01-JUL-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1993, sequence version 1.
DT   25-MAY-2022, entry version 81.
DE   RecName: Full=ATP synthase subunit b', chloroplastic {ECO:0000255|HAMAP-Rule:MF_01399};
DE   AltName: Full=ATP synthase F(0) sector subunit b' {ECO:0000255|HAMAP-Rule:MF_01399};
DE   AltName: Full=ATPase subunit II {ECO:0000255|HAMAP-Rule:MF_01399};
GN   Name=atpF2 {ECO:0000255|HAMAP-Rule:MF_01399};
GN   Synonyms=atpG {ECO:0000255|HAMAP-Rule:MF_01399};
OS   Antithamnion sp. (Red alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Florideophyceae; Rhodymeniophycidae; Ceramiales;
OC   Ceramiaceae; Antithamnion; unclassified Antithamnion.
OX   NCBI_TaxID=2767;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=LB 95.79;
RX   PubMed=1404401; DOI=10.1016/0022-2836(92)90238-f;
RA   Kostrzewa M., Zetsche K.;
RT   "Large ATP synthase operon of the red alga Antithamnion sp. resembles the
RT   corresponding operon in cyanobacteria.";
RL   J. Mol. Biol. 227:961-970(1992).
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_01399}.
CC   -!- FUNCTION: Component of the F(0) channel, it forms part of the
CC       peripheral stalk, linking F(1) to F(0). The b'-subunit is a diverged
CC       and duplicated form of b found in plants and photosynthetic bacteria.
CC       {ECO:0000255|HAMAP-Rule:MF_01399}.
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_01399}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01399}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01399}.
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_01399}.
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DR   EMBL; X63382; CAA44981.1; -; Genomic_DNA.
DR   PIR; S26959; S26959.
DR   AlphaFoldDB; Q02852; -.
DR   SMR; Q02852; -.
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   HAMAP; MF_01399; ATP_synth_bprime; 1.
DR   InterPro; IPR034679; ATP_synth_b.
DR   InterPro; IPR028987; ATP_synth_B-like_membr_sf.
DR   InterPro; IPR002146; ATP_synth_b/b'su_bac/chlpt.
DR   InterPro; IPR005864; ATP_synth_F0_bsu_bac.
DR   Pfam; PF00430; ATP-synt_B; 1.
DR   SUPFAM; SSF81573; SSF81573; 1.
DR   TIGRFAMs; TIGR01144; 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..159
FT                   /note="ATP synthase subunit b', chloroplastic"
FT                   /id="PRO_0000082432"
FT   TRANSMEM        30..47
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01399"
SQ   SEQUENCE   159 AA;  17833 MW;  D485254432800B07 CRC64;
     MNNFLISLAL QESSTEVQGG LFDFNATLPL MALQFLALTI ILNLIYYKPL GKILDERDEY
     IANSLTAASA ALSKANDLTK RYEQDLAESR KKAQDIIKNA QQDAQNIVSS KIKEAQKDAD
     QLMSNTYDQL NIQKEQALQN LEKQVDILSN QIQIKLLGN
 
 
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