ID   PSBP_NARPS              Reviewed;         265 AA.
AC   Q40407;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 76.
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   Narcissus pseudonarcissus (Daffodil).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Asparagales; Amaryllidaceae;
OC   Amaryllidoideae; Narcissus.
OX   NCBI_TaxID=39639;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   TISSUE=Paracorolla;
RX   PubMed=8521852; DOI=10.1111/j.1432-1033.1995.864_3.x;
RA   Nievelstein V., Vandekerckhove J., Tadros M.H., Lintig J.V., Nitschke W.,
RA   Beyer P.;
RT   "Carotene desaturation is linked to a respiratory redox pathway in
RT   Narcissus pseudonarcissus chromoplast membranes. Involvement of a 23-kDa
RT   oxygen-evolving-complex-like protein.";
RL   Eur. J. Biochem. 233:864-872(1995).
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   -!- SIMILARITY: Belongs to the psbP family. {ECO:0000305}.
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DR   EMBL; X78816; CAA55393.1; -; mRNA.
DR   PIR; S63532; S63532.
DR   AlphaFoldDB; Q40407; -.
DR   SMR; Q40407; -.
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; Thylakoid;
KW   Transit peptide.
FT   TRANSIT         1..69
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000250"
FT   CHAIN           70..265
FT                   /note="Oxygen-evolving enhancer protein 2, chloroplastic"
FT                   /id="PRO_0000029578"
FT   REGION          11..45
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   265 AA;  28521 MW;  73D72B841D5D131C CRC64;
     MASTACFLHH HAPSPATSNL SRTRSATNRD EQQQEHSARL QSPEADCATE NDALLSRRLA
     LTILIGGAAL GSRVSAADAA YGESANVFGK PKTNTDFQTV TGDGFKILIP SKWNPSKEVE
     FPGQVLRYED NFDTTSNVGV MVNPTDKKSI KDYGSPEQFL SQVDYLLGKQ AYFGKTISEG
     GFEPNAVRTA NILETSTPVV GGKDYYSIHV LTRTADGDEG GKHLLITATV SDGKLYICKA
     QAGDKRWFKG AKKFVESAAS SFSAA