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PSBL_STIHE
ID   PSBL_STIHE              Reviewed;          54 AA.
AC   Q06SD4;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   31-OCT-2006, sequence version 1.
DT   25-MAY-2022, entry version 45.
DE   RecName: Full=Photosystem II reaction center protein L {ECO:0000255|HAMAP-Rule:MF_01317};
DE            Short=PSII-L {ECO:0000255|HAMAP-Rule:MF_01317};
GN   Name=psbL {ECO:0000255|HAMAP-Rule:MF_01317};
OS   Stigeoclonium helveticum (Green alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Chlorophyceae;
OC   OCC clade; Chaetophorales; Chaetophoraceae; Stigeoclonium.
OX   NCBI_TaxID=55999;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UTEX 441;
RX   PubMed=16944205; DOI=10.1007/s00438-006-0156-2;
RA   Belanger A.-S., Brouard J.-S., Charlebois P., Otis C., Lemieux C.,
RA   Turmel M.;
RT   "Distinctive architecture of the chloroplast genome in the chlorophycean
RT   green alga Stigeoclonium helveticum.";
RL   Mol. Genet. Genomics 276:464-477(2006).
CC   -!- FUNCTION: One of the components of the core complex of photosystem II
CC       (PSII). PSII is a light-driven water:plastoquinone oxidoreductase that
CC       uses light energy to abstract electrons from H(2)O, generating O(2) and
CC       a proton gradient subsequently used for ATP formation. It consists of a
CC       core antenna complex that captures photons, and an electron transfer
CC       chain that converts photonic excitation into a charge separation. This
CC       subunit is found at the monomer-monomer interface and is required for
CC       correct PSII assembly and/or dimerization. {ECO:0000255|HAMAP-
CC       Rule:MF_01317}.
CC   -!- SUBUNIT: PSII is composed of 1 copy each of membrane proteins PsbA,
CC       PsbB, PsbC, PsbD, PsbE, PsbF, PsbH, PsbI, PsbJ, PsbK, PsbL, PsbM, PsbT,
CC       PsbX, PsbY, PsbZ, Ycf12, at least 3 peripheral proteins of the oxygen-
CC       evolving complex and a large number of cofactors. It forms dimeric
CC       complexes. {ECO:0000255|HAMAP-Rule:MF_01317}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01317}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01317}.
CC   -!- SIMILARITY: Belongs to the PsbL family. {ECO:0000255|HAMAP-
CC       Rule:MF_01317}.
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DR   EMBL; DQ630521; ABF60176.1; -; Genomic_DNA.
DR   RefSeq; YP_764432.1; NC_008372.1.
DR   AlphaFoldDB; Q06SD4; -.
DR   SMR; Q06SD4; -.
DR   GeneID; 4308419; -.
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:0009539; C:photosystem II reaction center; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01317; PSII_PsbL; 1.
DR   InterPro; IPR003372; PSII_PsbL.
DR   InterPro; IPR037266; PSII_PsbL_sf.
DR   Pfam; PF02419; PsbL; 1.
DR   SUPFAM; SSF161017; SSF161017; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem II; Plastid;
KW   Reaction center; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..54
FT                   /note="Photosystem II reaction center protein L"
FT                   /id="PRO_0000276225"
FT   TRANSMEM        33..53
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01317"
SQ   SEQUENCE   54 AA;  6169 MW;  82968C4F18E5C0B0 CRC64;
     MSQNEVDINI ISLSEVVSRP NPNKQVVELN RTSLFWGLLL IFVLAVLFSS YIFN
 
 
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