ID   PSBY_CYAM1              Reviewed;          35 AA.
AC   Q85G61;
DT   10-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 65.
DE   RecName: Full=Photosystem II protein Y {ECO:0000255|HAMAP-Rule:MF_00717};
GN   Name=psbY {ECO:0000255|HAMAP-Rule:MF_00717};
OS   Cyanidioschyzon merolae (strain NIES-3377 / 10D) (Unicellular red alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Cyanidiales; Cyanidiaceae;
OC   Cyanidioschyzon.
OX   NCBI_TaxID=280699;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NIES-3377 / 10D;
RX   PubMed=12755171; DOI=10.1093/dnares/10.2.67;
RA   Ohta N., Matsuzaki M., Misumi O., Miyagishima S.-Y., Nozaki H., Tanaka K.,
RA   Shin-i T., Kohara Y., Kuroiwa T.;
RT   "Complete sequence and analysis of the plastid genome of the unicellular
RT   red alga Cyanidioschyzon merolae.";
RL   DNA Res. 10:67-77(2003).
CC   -!- FUNCTION: Manganese-binding polypeptide with L-arginine metabolizing
CC       enzyme activity. Component of the core of photosystem II.
CC       {ECO:0000255|HAMAP-Rule:MF_00717}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00717}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00717}.
CC   -!- SIMILARITY: Belongs to the PsbY family. {ECO:0000255|HAMAP-
CC       Rule:MF_00717}.
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DR   EMBL; AB002583; BAC76130.1; -; Genomic_DNA.
DR   RefSeq; NP_848968.1; NC_004799.1.
DR   AlphaFoldDB; Q85G61; -.
DR   SMR; Q85G61; -.
DR   STRING; 45157.CMV045CT; -.
DR   GeneID; 844962; -.
DR   KEGG; cme:CymeCp036; -.
DR   HOGENOM; CLU_218393_2_0_1; -.
DR   Proteomes; UP000007014; Chloroplast.
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-UniRule.
DR   HAMAP; MF_00717; PSII_PsbY; 1.
DR   InterPro; IPR009388; PSII_PsbY.
DR   Pfam; PF06298; PsbY; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem II; Plastid;
KW   Reference proteome; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..35
FT                   /note="Photosystem II protein Y"
FT                   /id="PRO_0000216884"
FT   TOPO_DOM        1..4
FT                   /note="Lumenal"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00717"
FT   TRANSMEM        5..23
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00717"
FT   TOPO_DOM        24..35
FT                   /note="Stromal"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00717"
SQ   SEQUENCE   35 AA;  3923 MW;  F04ADF74EB5D34CA CRC64;
     MDTRLLIVLL PIIAAASWAI YNIGKILLLQ LTKRS