ID   PSBO_PINPS              Reviewed;          26 AA.
AC   P81665;
DT   15-JUL-1999, integrated into UniProtKB/Swiss-Prot.
DT   15-JUL-1999, sequence version 1.
DT   25-MAY-2022, entry version 45.
DE   RecName: Full=Oxygen-evolving enhancer protein 1;
DE            Short=OEE1;
DE   AltName: Full=33 kDa subunit of oxygen evolving system of photosystem II;
DE   AltName: Full=33 kDa thylakoid membrane protein;
DE   Flags: Fragments;
GN   Name=PSBO;
OS   Pinus pinaster (Maritime pine).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Pinopsida; Pinidae; Conifers I; Pinales; Pinaceae; Pinus;
OC   Pinus subgen. Pinus.
OX   NCBI_TaxID=71647;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   TISSUE=Needle;
RX   PubMed=10344291;
RX   DOI=10.1002/(sici)1522-2683(19990101)20:4/5<1098::aid-elps1098>3.0.co;2-z;
RA   Costa P., Pionneau C., Bauw G., Dubos C., Bahrman N., Kremer A.,
RA   Frigerio J.-M., Plomion C.;
RT   "Separation and characterization of needle and xylem maritime pine
RT   proteins.";
RL   Electrophoresis 20:1098-1108(1999).
CC   -!- FUNCTION: Stabilizes the manganese cluster which is the primary site of
CC       water splitting. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}. Note=Associated with the photosystem II complex.
CC       {ECO:0000250}.
CC   -!- INDUCTION: By water stress.
CC   -!- MISCELLANEOUS: On the 2D-gel the determined pI of this protein (spot
CC       N146) is: 5.3, its MW is: 29 kDa.
CC   -!- SIMILARITY: Belongs to the PsbO family. {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   AlphaFoldDB; P81665; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0009523; C:photosystem II; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Chloroplast; Direct protein sequencing; Manganese; Membrane;
KW   Photosynthesis; Photosystem II; Plastid; Stress response; Thylakoid.
FT   CHAIN           1..>26
FT                   /note="Oxygen-evolving enhancer protein 1"
FT                   /id="PRO_0000203523"
FT   REGION          1..26
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   NON_CONS        9..10
FT                   /evidence="ECO:0000305"
FT   NON_TER         26
SQ   SEQUENCE   26 AA;  2641 MW;  C5635997B460842F CRC64;
     LTYDEIQSKG GSTGYDNAVA LPAGGR