ID   PSBY_PROMA              Reviewed;          40 AA.
AC   Q7VD03;
DT   28-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=Photosystem II protein Y {ECO:0000255|HAMAP-Rule:MF_00717};
GN   Name=psbY {ECO:0000255|HAMAP-Rule:MF_00717}; OrderedLocusNames=Pro_0586;
OS   Prochlorococcus marinus (strain SARG / CCMP1375 / SS120).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=167539;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SARG / CCMP1375 / SS120;
RX   PubMed=12917486; DOI=10.1073/pnas.1733211100;
RA   Dufresne A., Salanoubat M., Partensky F., Artiguenave F., Axmann I.M.,
RA   Barbe V., Duprat S., Galperin M.Y., Koonin E.V., Le Gall F., Makarova K.S.,
RA   Ostrowski M., Oztas S., Robert C., Rogozin I.B., Scanlan D.J.,
RA   Tandeau de Marsac N., Weissenbach J., Wincker P., Wolf Y.I., Hess W.R.;
RT   "Genome sequence of the cyanobacterium Prochlorococcus marinus SS120, a
RT   nearly minimal oxyphototrophic genome.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:10020-10025(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: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00717}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00717}.
CC   -!- SIMILARITY: Belongs to the PsbY family. {ECO:0000255|HAMAP-
CC       Rule:MF_00717}.
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DR   EMBL; AE017126; AAP99631.1; -; Genomic_DNA.
DR   RefSeq; NP_874979.1; NC_005042.1.
DR   RefSeq; WP_011124739.1; NC_005042.1.
DR   AlphaFoldDB; Q7VD03; -.
DR   SMR; Q7VD03; -.
DR   STRING; 167539.Pro_0586; -.
DR   EnsemblBacteria; AAP99631; AAP99631; Pro_0586.
DR   GeneID; 54199954; -.
DR   KEGG; pma:Pro_0586; -.
DR   PATRIC; fig|167539.5.peg.601; -.
DR   eggNOG; ENOG503088I; Bacteria.
DR   HOGENOM; CLU_218393_0_0_3; -.
DR   OrthoDB; 2077767at2; -.
DR   Proteomes; UP000001420; Chromosome.
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: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   Membrane; Photosynthesis; Photosystem II; Reference proteome; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..40
FT                   /note="Photosystem II protein Y"
FT                   /id="PRO_0000216892"
FT   TRANSMEM        4..22
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00717"
SQ   SEQUENCE   40 AA;  4621 MW;  C9298FAC2F638128 CRC64;
     MLNLLVITLP ILAAIGWVTL NIQKPAREQW DRQFGDNKPF