ID   PSBP_SINAL              Reviewed;         260 AA.
AC   P11594;
DT   01-OCT-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1990, sequence version 2.
DT   25-MAY-2022, entry version 90.
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   Sinapis alba (White mustard) (Brassica hirta).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Brassiceae; Sinapis.
OX   NCBI_TaxID=3728;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   TISSUE=Seedling;
RX   PubMed=2102868; DOI=10.1007/bf00016526;
RA   Merkle T., Krenz M., Wenng A., Schaefer E.;
RT   "Nucleotide sequence and deduced amino acid sequence of a gene encoding the
RT   23 kDa polypeptide of the oxygen-evolving complex from mustard (Sinapis
RT   alba L.).";
RL   Plant Mol. Biol. 14:889-890(1990).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [MRNA] OF 13-260.
RC   TISSUE=Seedling;
RX   PubMed=2651153; DOI=10.1016/0014-5793(89)80270-4;
RA   Wenng A., Ehmann B., Schaefer E.;
RT   "The 23 KDa polypeptide of the photosynthetic oxygen-evolving complex from
RT   mustard seedlings (Sinapis alba L.). Nucleotide sequence of cDNA and
RT   evidence for phytochrome control of its mRNA abundance.";
RL   FEBS Lett. 246:140-144(1989).
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; X17213; CAA35081.1; -; Genomic_DNA.
DR   EMBL; Y07498; CAA68801.1; -; mRNA.
DR   PIR; S03888; S03888.
DR   PIR; S10016; S10016.
DR   AlphaFoldDB; P11594; -.
DR   SMR; P11594; -.
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; Phosphoprotein; Photosynthesis; Photosystem II;
KW   Plastid; Thylakoid; Transit peptide.
FT   TRANSIT         1..74
FT                   /note="Chloroplast"
FT   CHAIN           75..260
FT                   /note="Oxygen-evolving enhancer protein 2, chloroplastic"
FT                   /id="PRO_0000029580"
FT   MOD_RES         150
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q42029"
SQ   SEQUENCE   260 AA;  27925 MW;  BE7A76DA30EC7E27 CRC64;
     MAYSACFLHQ SALASSTARS SPSSSSQRYV SISKLVCKAQ QTHEEDNSTV SRRLALTLLV
     GAAAVGSKVS PADAAYGEAA NVFGKPKKNT DFTAYSGDGF QVQVPAKWNP SREVEYPGQV
     LRYEDNFDAT SNLNVMVTPT DKKSITDYGS PEEFLSQVNY LLGKQAYFGE TASEGGFDNN
     AVATANILET NIQDVGGKPY YYLSVLTRTA DGDEGGKHQL ITATVNGGKL YICKAQAGDK
     RWFKGANKFV EKAATSFSVA