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PSBX_PROMA
ID   PSBX_PROMA              Reviewed;          55 AA.
AC   Q7VED7;
DT   22-JUL-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   03-AUG-2022, entry version 76.
DE   RecName: Full=Photosystem II reaction center X protein {ECO:0000255|HAMAP-Rule:MF_01388};
GN   Name=psbX {ECO:0000255|HAMAP-Rule:MF_01388}; OrderedLocusNames=Pro_0076;
OS   Prochlorococcus marinus (strain SARG / CCMP1375 / SS120).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=167539;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SARG / CCMP1375 / SS120;
RX   PubMed=12917486; DOI=10.1073/pnas.1733211100;
RA   Dufresne A., Salanoubat M., Partensky F., Artiguenave F., Axmann I.M.,
RA   Barbe V., Duprat S., Galperin M.Y., Koonin E.V., Le Gall F., Makarova K.S.,
RA   Ostrowski M., Oztas S., Robert C., Rogozin I.B., Scanlan D.J.,
RA   Tandeau de Marsac N., Weissenbach J., Wincker P., Wolf Y.I., Hess W.R.;
RT   "Genome sequence of the cyanobacterium Prochlorococcus marinus SS120, a
RT   nearly minimal oxyphototrophic genome.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:10020-10025(2003).
CC   -!- FUNCTION: Involved in the binding and/or turnover of quinones at the
CC       Q(B) site of Photosystem II. {ECO:0000255|HAMAP-Rule:MF_01388}.
CC   -!- SUBUNIT: PSII consists of a core antenna complex that captures photons,
CC       and an electron transfer chain that converts photonic excitation into a
CC       charge separation. PSII forms dimeric complexes. {ECO:0000255|HAMAP-
CC       Rule:MF_01388}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01388}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01388}.
CC   -!- SIMILARITY: Belongs to the PsbX family. Type 2 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01388}.
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DR   EMBL; AE017126; AAP99122.1; -; Genomic_DNA.
DR   RefSeq; NP_874470.1; NC_005042.1.
DR   RefSeq; WP_011124231.1; NC_005042.1.
DR   AlphaFoldDB; Q7VED7; -.
DR   SMR; Q7VED7; -.
DR   STRING; 167539.Pro_0076; -.
DR   EnsemblBacteria; AAP99122; AAP99122; Pro_0076.
DR   GeneID; 54199436; -.
DR   KEGG; pma:Pro_0076; -.
DR   PATRIC; fig|167539.5.peg.80; -.
DR   HOGENOM; CLU_209178_0_0_3; -.
DR   OMA; NMIASFF; -.
DR   Proteomes; UP000001420; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0009523; C:photosystem II; IEA:UniProtKB-KW.
DR   GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   HAMAP; MF_01388; PSII_PsbX_2; 1.
DR   InterPro; IPR009518; PSII_PsbX.
DR   InterPro; IPR023428; PSII_PsbX_type_2_subfam.
DR   Pfam; PF06596; PsbX; 1.
PE   3: Inferred from homology;
KW   Membrane; Photosynthesis; Photosystem II; Reference proteome; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..55
FT                   /note="Photosystem II reaction center X protein"
FT                   /id="PRO_0000345367"
FT   TRANSMEM        24..44
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01388"
SQ   SEQUENCE   55 AA;  5526 MW;  C967606391719410 CRC64;
     MAFTLLFGAG VSGDVATASA VGMIGSFLAA AALIVVPAAS FLLWVSQKDA LERGR
 
 
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