ID   PSBO_POPEU              Reviewed;         100 AA.
AC   P84989;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 1.
DT   25-MAY-2022, entry version 40.
DE   RecName: Full=Oxygen-evolving enhancer protein 1, chloroplastic;
DE            Short=OEE1;
DE   Flags: Fragments;
GN   Name=PSBO;
OS   Populus euphratica (Euphrates poplar).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Malpighiales; Salicaceae; Saliceae; Populus.
OX   NCBI_TaxID=75702;
RN   [1] {ECO:0000305}
RP   PROTEIN SEQUENCE.
RC   TISSUE=Leaf {ECO:0000269|Ref.1};
RA   Ferreira S.;
RT   "Molecular analysis of Populus euphratica Oliv. response to moderate heat
RT   stress.";
RL   Thesis (2006), ICAT-FCUL, Portugal.
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; P84989; -.
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; IPR011250; OMP/PagP_b-brl.
DR   InterPro; IPR002628; PSII_MSP.
DR   PANTHER; PTHR34058; PTHR34058; 4.
DR   Pfam; PF01716; MSP; 2.
DR   SUPFAM; SSF56925; SSF56925; 1.
PE   1: Evidence at protein level;
KW   Chloroplast; Direct protein sequencing; Manganese; Membrane;
KW   Photosynthesis; Photosystem II; Plastid; Thylakoid.
FT   CHAIN           <1..>100
FT                   /note="Oxygen-evolving enhancer protein 1, chloroplastic"
FT                   /id="PRO_0000304519"
FT   REGION          1..23
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   UNSURE          18
FT                   /note="S or A"
FT                   /evidence="ECO:0000269|Ref.1"
FT   UNSURE          21
FT                   /note="D or E"
FT                   /evidence="ECO:0000269|Ref.1"
FT   UNSURE          24
FT                   /note="K or N"
FT                   /evidence="ECO:0000269|Ref.1"
FT   UNSURE          80
FT                   /note="I or V"
FT                   /evidence="ECO:0000269|Ref.1"
FT   UNSURE          87
FT                   /note="L or V"
FT                   /evidence="ECO:0000269|Ref.1"
FT   NON_CONS        10..11
FT                   /evidence="ECO:0000303|Ref.1"
FT   NON_CONS        30..31
FT                   /evidence="ECO:0000303|Ref.1"
FT   NON_CONS        47..48
FT                   /evidence="ECO:0000303|Ref.1"
FT   NON_CONS        55..56
FT                   /evidence="ECO:0000303|Ref.1"
FT   NON_CONS        72..73
FT                   /evidence="ECO:0000303|Ref.1"
FT   NON_TER         1
FT                   /evidence="ECO:0000303|Ref.1"
FT   NON_TER         100
FT                   /evidence="ECO:0000303|Ref.1"
SQ   SEQUENCE   100 AA;  10671 MW;  1B1B3C2CDFB1CC60 CRC64;
     RLTYDEIQSK AEGINKNSPP DFQKTKLMTR DGIDYAAVTV QLPGGERVPF LFTIKGGSTG
     YDNAVALPAG GRSKPETGEI IGVFESLQPS DTDLGAKTPK