ID   PSBP_WHEAT              Reviewed;         258 AA.
AC   Q00434;
DT   01-DEC-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-1992, sequence version 1.
DT   03-AUG-2022, entry version 89.
DE   RecName: Full=Oxygen-evolving enhancer protein 2, chloroplastic;
DE            Short=OEE2;
DE   AltName: Full=23 kDa subunit of oxygen evolving system of photosystem II;
DE   AltName: Full=23 kDa thylakoid membrane protein;
DE   AltName: Full=OEC 23 kDa subunit;
DE   Flags: Precursor;
GN   Name=PSBP;
OS   Triticum aestivum (Wheat).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Triticodae; Triticeae; Triticinae; Triticum.
OX   NCBI_TaxID=4565;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=cv. Avalon; TISSUE=Leaf;
RX   PubMed=1868221; DOI=10.1007/bf00036827;
RA   James H.E., Robinson C.;
RT   "Nucleotide sequence of cDNA encoding the precursor of the 23 kDa protein
RT   of the photosynthetic oxygen-evolving complex from wheat.";
RL   Plant Mol. Biol. 17:179-182(1991).
CC   -!- FUNCTION: May be involved in the regulation of photosystem II.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane.
CC       Note=Associated with the photosystem II complex.
CC   -!- INDUCTION: By light.
CC   -!- SIMILARITY: Belongs to the psbP family. {ECO:0000305}.
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DR   EMBL; X57407; CAA40669.1; -; mRNA.
DR   PIR; S22763; S22763.
DR   AlphaFoldDB; Q00434; -.
DR   SMR; Q00434; -.
DR   STRING; 4565.Traes_2AL_0A039E562.1; -.
DR   PRIDE; Q00434; -.
DR   eggNOG; ENOG502QUMW; Eukaryota.
DR   Proteomes; UP000019116; Unplaced.
DR   ExpressionAtlas; Q00434; baseline and differential.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0019898; C:extrinsic component of membrane; IEA:InterPro.
DR   GO; GO:0009654; C:photosystem II oxygen evolving complex; IEA:InterPro.
DR   GO; GO:0005509; F:calcium ion binding; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   InterPro; IPR016123; Mog1/PsbP_a/b/a-sand.
DR   InterPro; IPR002683; PsbP_C.
DR   Pfam; PF01789; PsbP; 1.
DR   SUPFAM; SSF55724; SSF55724; 1.
PE   2: Evidence at transcript level;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem II; Plastid;
KW   Reference proteome; Thylakoid; Transit peptide.
FT   TRANSIT         1..73
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000250"
FT   CHAIN           74..258
FT                   /note="Oxygen-evolving enhancer protein 2, chloroplastic"
FT                   /id="PRO_0000029586"
SQ   SEQUENCE   258 AA;  27270 MW;  513FF331AC8D84DE CRC64;
     MASTSCFLHQ STARLAASAR PAPAVGRTQL FVCKAQKNDE AASDAAVVTS RRAALSLLAG
     AAAIAVKVSP AAAAYGEAAN VFGKAKKNTD FVAYSGEGFK LMIPAKWNPS KEREFPGQVL
     RYEDNFDATS NLSVIINPTT KKTITDYGSP EEFLSQVGFL LGQQSYGGKT DSEGGFESDA
     VATANVLESS APVVDGKQYY SITVLTRTAD GDEGGKHQLI TATVADGKLY VCKAQRDKRW
     FKGAKKFVEN AAGSFSVA