ID   PSBY_PROMM              Reviewed;          38 AA.
AC   P59909;
DT   10-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT   10-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 84.
DE   RecName: Full=Photosystem II protein Y {ECO:0000255|HAMAP-Rule:MF_00717};
GN   Name=psbY {ECO:0000255|HAMAP-Rule:MF_00717}; OrderedLocusNames=PMT_1048;
OS   Prochlorococcus marinus (strain MIT 9313).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=74547;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9313;
RX   PubMed=12917642; DOI=10.1038/nature01947;
RA   Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA   Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA   Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA   Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA   Chisholm S.W.;
RT   "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT   differentiation.";
RL   Nature 424:1042-1047(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; BX548175; CAE21223.1; -; Genomic_DNA.
DR   RefSeq; WP_011130420.1; NC_005071.1.
DR   AlphaFoldDB; P59909; -.
DR   SMR; P59909; -.
DR   STRING; 74547.PMT_1048; -.
DR   EnsemblBacteria; CAE21223; CAE21223; PMT_1048.
DR   KEGG; pmt:PMT_1048; -.
DR   eggNOG; ENOG50322MB; Bacteria.
DR   HOGENOM; CLU_3331542_0_0_3; -.
DR   Proteomes; UP000001423; 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..38
FT                   /note="Photosystem II protein Y"
FT                   /id="PRO_0000216893"
FT   TRANSMEM        2..20
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00717"
SQ   SEQUENCE   38 AA;  4046 MW;  21EFE25337269C99 CRC64;
     MILIVLLPIL LAATWAFINI RGAALKQQGL GLVSKNKG