ID   PSBO_FRIAG              Reviewed;         329 AA.
AC   O49079;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1998, sequence version 1.
DT   25-MAY-2022, entry version 64.
DE   RecName: Full=Oxygen-evolving enhancer protein 1, chloroplastic;
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   AltName: Full=OEC 33 kDa subunit;
DE   Flags: Precursor;
GN   Name=PSBO;
OS   Fritillaria agrestis (Stinkbells).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Liliales; Liliaceae; Fritillaria.
OX   NCBI_TaxID=64177;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RA   Panico E., Baysdorfer C.;
RL   Submitted (DEC-1997) to the EMBL/GenBank/DDBJ databases.
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       Note=Associated with the photosystem II complex.
CC   -!- SIMILARITY: Belongs to the PsbO family. {ECO:0000305}.
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DR   EMBL; AF037457; AAC04808.1; -; mRNA.
DR   AlphaFoldDB; O49079; -.
DR   SMR; O49079; -.
DR   PRIDE; O49079; -.
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; 1.
DR   Pfam; PF01716; MSP; 1.
DR   SUPFAM; SSF56925; SSF56925; 1.
PE   2: Evidence at transcript level;
KW   Chloroplast; Manganese; Membrane; Photosynthesis; Photosystem II; Plastid;
KW   Thylakoid; Transit peptide.
FT   TRANSIT         1..82
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000250"
FT   CHAIN           83..329
FT                   /note="Oxygen-evolving enhancer protein 1, chloroplastic"
FT                   /id="PRO_0000029557"
SQ   SEQUENCE   329 AA;  34869 MW;  E87B752A81D22D5A CRC64;
     MASSLQAAAT LIPAKVGAPA RTHLRSNSHL SKAFGFDNST AGRLTCSINS DLRDIAQKCT
     DAAKLAGFAL ATSALVISGA SAEGVPKRLT FDEIQSKTYM EVKGSGTANQ CPTIEGGTES
     FGYKTGKYTL KKLCLEPTSF TVKAEGINKN APPEFQKTKL MTRLTYTLDE IEGPFEVAPD
     GTVKFEEKDG IDYAAVTVQL PGGERVPFLF TVKQLVATGK PESFSGSYLV PSYRGSSFLD
     PKGRGGSAGY DNAVALPAGG RGDEEELVKE NIKDVSSSTG KITLSVTKSK PETGEVIGVF
     ESIQPSDTDL GSKAPKDVKI QGIWYAQLE