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PSBX_SYNE7
ID   PSBX_SYNE7              Reviewed;          39 AA.
AC   Q31LM3;
DT   22-JUL-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Photosystem II reaction center X protein {ECO:0000255|HAMAP-Rule:MF_01386};
GN   Name=psbX {ECO:0000255|HAMAP-Rule:MF_01386};
GN   OrderedLocusNames=Synpcc7942_2016;
OS   Synechococcus elongatus (strain PCC 7942 / FACHB-805) (Anacystis nidulans
OS   R2).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus.
OX   NCBI_TaxID=1140;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7942 / FACHB-805;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Schmutz J., Larimer F., Land M.,
RA   Kyrpides N., Lykidis A., Richardson P.;
RT   "Complete sequence of chromosome 1 of Synechococcus elongatus PCC 7942.";
RL   Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
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_01386}.
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_01386}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01386}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01386}.
CC   -!- SIMILARITY: Belongs to the PsbX family. Type 1 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01386}.
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DR   EMBL; CP000100; ABB58046.1; -; Genomic_DNA.
DR   RefSeq; WP_011244389.1; NC_007604.1.
DR   AlphaFoldDB; Q31LM3; -.
DR   SMR; Q31LM3; -.
DR   STRING; 1140.Synpcc7942_2016; -.
DR   EnsemblBacteria; ABB58046; ABB58046; Synpcc7942_2016.
DR   KEGG; syf:Synpcc7942_2016; -.
DR   HOGENOM; CLU_212837_1_0_3; -.
DR   BioCyc; MetaCyc:SYNPCC7942_2016-MON; -.
DR   BioCyc; SYNEL:SYNPCC7942_2016-MON; -.
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-UniRule.
DR   HAMAP; MF_01386; PSII_PsbX_1; 1.
DR   InterPro; IPR009518; PSII_PsbX.
DR   InterPro; IPR023431; PSII_PsbX_type_1_subfam.
DR   Pfam; PF06596; PsbX; 1.
PE   3: Inferred from homology;
KW   Membrane; Photosynthesis; Photosystem II; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..39
FT                   /note="Photosystem II reaction center X protein"
FT                   /id="PRO_0000345377"
FT   TRANSMEM        8..28
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01386"
SQ   SEQUENCE   39 AA;  4243 MW;  429E60585338424E CRC64;
     MTPTLSAFIW SLVLGGVIVV IPLTVALIFI SQTDKVRRS
 
 
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