ID   PSBY_FUCVE              Reviewed;          27 AA.
AC   Q9BAC7;
DT   10-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   25-MAY-2022, entry version 47.
DE   RecName: Full=Photosystem II protein Y;
DE   Flags: Fragment;
GN   Name=psbY;
OS   Fucus vesiculosus (Bladder wrack).
OG   Plastid; Chloroplast.
OC   Eukaryota; Sar; Stramenopiles; Ochrophyta; PX clade; Phaeophyceae; Fucales;
OC   Fucaceae; Fucus.
OX   NCBI_TaxID=49266;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Pearson G.A., Serrao E.A., Cancela L.M.;
RT   "Suppression subtractive hybridization for studying gene expression during
RT   aerial exposure and desiccation in fucoid Algae.";
RL   Eur. J. Phycol. 36:359-366(2001).
CC   -!- FUNCTION: Manganese-binding polypeptide with L-arginine metabolizing
CC       enzyme activity. Component of the core of photosystem II (By
CC       similarity). {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}; Single-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PsbY family. {ECO:0000305}.
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DR   EMBL; AF346705; AAK30141.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9BAC7; -.
DR   SMR; Q9BAC7; -.
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:0009523; C:photosystem II; IEA:UniProtKB-KW.
DR   GO; GO:0030145; F:manganese ion binding; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   InterPro; IPR009388; PSII_PsbY.
DR   Pfam; PF06298; PsbY; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem II; Plastid; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           <1..27
FT                   /note="Photosystem II protein Y"
FT                   /id="PRO_0000216886"
FT   TRANSMEM        <1..13
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        14..27
FT                   /note="Stromal"
FT                   /evidence="ECO:0000255"
FT   NON_TER         1
SQ   SEQUENCE   27 AA;  2956 MW;  260010914AD868A7 CRC64;
     PVLAAASWAL FNIGRLALQQ FNKIASR