ID   PSBY_PHATC              Reviewed;          36 AA.
AC   A0T0G0;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   09-JAN-2007, sequence version 1.
DT   25-MAY-2022, entry version 41.
DE   RecName: Full=Photosystem II protein Y {ECO:0000255|HAMAP-Rule:MF_00717};
GN   Name=psbY-A {ECO:0000255|HAMAP-Rule:MF_00717};
GN   and
GN   Name=psbY-B {ECO:0000255|HAMAP-Rule:MF_00717};
OS   Phaeodactylum tricornutum (strain CCAP 1055/1).
OG   Plastid; Chloroplast.
OC   Eukaryota; Sar; Stramenopiles; Ochrophyta; Bacillariophyta;
OC   Bacillariophyceae; Bacillariophycidae; Naviculales; Phaeodactylaceae;
OC   Phaeodactylum.
OX   NCBI_TaxID=556484;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCAP 1055/1;
RX   PubMed=17252281; DOI=10.1007/s00438-006-0199-4;
RA   Oudot-Le Secq M.-P., Grimwood J., Shapiro H., Armbrust E.V., Bowler C.,
RA   Green B.R.;
RT   "Chloroplast genomes of the diatoms Phaeodactylum tricornutum and
RT   Thalassiosira pseudonana: comparison with other plastid genomes of the red
RT   lineage.";
RL   Mol. Genet. Genomics 277:427-439(2007).
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; EF067920; ABK20658.1; -; Genomic_DNA.
DR   EMBL; EF067920; ABK20711.1; -; Genomic_DNA.
DR   RefSeq; YP_874435.1; NC_008588.1.
DR   RefSeq; YP_874488.1; NC_008588.1.
DR   AlphaFoldDB; A0T0G0; -.
DR   SMR; A0T0G0; -.
DR   PRIDE; A0T0G0; -.
DR   GeneID; 4524557; -.
DR   GeneID; 4524702; -.
DR   InParanoid; A0T0G0; -.
DR   Proteomes; UP000000759; 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..36
FT                   /note="Photosystem II protein Y"
FT                   /id="PRO_0000277150"
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..36
FT                   /note="Stromal"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00717"
SQ   SEQUENCE   36 AA;  4047 MW;  508BF67B6DAE2E33 CRC64;
     MDTRLIVIAA PVLVAASWAL FNIGRLAIQQ IQRLKR