ID   PSBO_BRACM              Reviewed;          31 AA.
AC   P83504;
DT   27-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 47.
DE   RecName: Full=Oxygen-evolving enhancer protein 1, chloroplastic;
DE            Short=OEE1;
DE   Flags: Fragment;
GN   Name=PSBO;
OS   Brassica campestris (Field mustard).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Brassiceae; Brassica.
OX   NCBI_TaxID=3711;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   TISSUE=Leaf mesophyll;
RX   PubMed=15694282; DOI=10.1016/j.plaphy.2004.11.001;
RA   Jiao S., Hilaire E., Guikema J.A.;
RT   "Identification and differential accumulation of two isoforms of the CF1-
RT   beta subunit under high light stress in Brassica rapa.";
RL   Plant Physiol. Biochem. 42:883-890(2004).
CC   -!- FUNCTION: Stabilizes the manganese cluster which is the primary site of
CC       water splitting. {ECO:0000250|UniProtKB:P23321}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}. Note=Associated with the photosystem II complex.
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PsbO family. {ECO:0000305}.
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DR   AlphaFoldDB; P83504; -.
DR   SMR; P83504; -.
DR   STRING; 3711.Bra012083.1-P; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0009654; C:photosystem II oxygen evolving complex; IEA:InterPro.
DR   GO; GO:0010242; F:oxygen evolving activity; IEA:InterPro.
DR   GO; GO:0010207; P:photosystem II assembly; IEA:InterPro.
DR   GO; GO:0042549; P:photosystem II stabilization; IEA:InterPro.
DR   InterPro; IPR002628; PSII_MSP.
DR   PANTHER; PTHR34058; PTHR34058; 1.
PE   1: Evidence at protein level;
KW   Chloroplast; Direct protein sequencing; Manganese; Membrane;
KW   Photosynthesis; Photosystem II; Plastid; Thylakoid.
FT   CHAIN           1..>31
FT                   /note="Oxygen-evolving enhancer protein 1, chloroplastic"
FT                   /id="PRO_0000203522"
FT   NON_TER         31
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   31 AA;  3418 MW;  9ED0378968EFB731 CRC64;
     EGAPKRLTYD EIQSKTYMEV KGTGTANQCP T