ID   PSBY_CROS5              Reviewed;          39 AA.
AC   B1WXD2;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   25-MAY-2022, entry version 50.
DE   RecName: Full=Photosystem II protein Y {ECO:0000255|HAMAP-Rule:MF_00717};
GN   Name=psbY {ECO:0000255|HAMAP-Rule:MF_00717}; OrderedLocusNames=cce_1526;
OS   Crocosphaera subtropica (strain ATCC 51142 / BH68) (Cyanothece sp. (strain
OS   ATCC 51142)).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC   Aphanothecaceae; Crocosphaera; Crocosphaera subtropica.
OX   NCBI_TaxID=43989;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51142 / BH68;
RX   PubMed=18812508; DOI=10.1073/pnas.0805418105;
RA   Welsh E.A., Liberton M., Stoeckel J., Loh T., Elvitigala T., Wang C.,
RA   Wollam A., Fulton R.S., Clifton S.W., Jacobs J.M., Aurora R., Ghosh B.K.,
RA   Sherman L.A., Smith R.D., Wilson R.K., Pakrasi H.B.;
RT   "The genome of Cyanothece 51142, a unicellular diazotrophic cyanobacterium
RT   important in the marine nitrogen cycle.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:15094-15099(2008).
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; CP000806; ACB50876.1; -; Genomic_DNA.
DR   RefSeq; WP_009544331.1; NC_010546.1.
DR   AlphaFoldDB; B1WXD2; -.
DR   SMR; B1WXD2; -.
DR   STRING; 43989.cce_1526; -.
DR   EnsemblBacteria; ACB50876; ACB50876; cce_1526.
DR   KEGG; cyt:cce_1526; -.
DR   eggNOG; ENOG5032HC4; Bacteria.
DR   HOGENOM; CLU_218393_1_0_3; -.
DR   Proteomes; UP000001203; Chromosome circular.
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..39
FT                   /note="Photosystem II protein Y"
FT                   /id="PRO_1000148012"
FT   TRANSMEM        5..23
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00717"
SQ   SEQUENCE   39 AA;  4215 MW;  D1946D3DBFE2B127 CRC64;
     MDWRVLVVLG PILIAAGWAG FNIAAAAIRQ VQGFFNKEA