ID   PSBP3_TOBAC             Reviewed;         266 AA.
AC   Q04127;
DT   13-SEP-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   25-MAY-2022, entry version 89.
DE   RecName: Full=Oxygen-evolving enhancer protein 2-3, 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=PSBP3; Synonyms=OEE2-AF;
OS   Nicotiana tabacum (Common tobacco).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Solanaceae; Nicotianoideae; Nicotianeae;
OC   Nicotiana.
OX   NCBI_TaxID=4097;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=cv. SR1; TISSUE=Leaf;
RX   PubMed=1610474; DOI=10.1007/bf00019217;
RA   Hua S.B., Dube S.K., Barnett N.M., Kung S.D.;
RT   "Photosystem II 23 kDa polypeptide of oxygen-evolving complex is encoded by
RT   a multigene family in tobacco.";
RL   Plant Mol. Biol. 18:997-999(1992).
CC   -!- FUNCTION: May be involved in the regulation of photosystem II.
CC       {ECO:0000250}.
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 psbP family. {ECO:0000305}.
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DR   EMBL; X62427; CAA44293.1; -; mRNA.
DR   PIR; S17446; S17446.
DR   RefSeq; NP_001313167.1; NM_001326238.1.
DR   AlphaFoldDB; Q04127; -.
DR   SMR; Q04127; -.
DR   STRING; 4097.Q04127; -.
DR   GeneID; 107830202; -.
DR   KEGG; nta:107830202; -.
DR   OMA; RIMVSTK; -.
DR   PhylomeDB; Q04127; -.
DR   Proteomes; UP000084051; Unplaced.
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;
KW   Reference proteome; Thylakoid; Transit peptide.
FT   TRANSIT         1..80
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000255"
FT   CHAIN           81..266
FT                   /note="Oxygen-evolving enhancer protein 2-3, chloroplastic"
FT                   /id="PRO_0000029585"
SQ   SEQUENCE   266 AA;  28683 MW;  5442F91B58EFB1E9 CRC64;
     MASTQCFLHH HALSTPARTS LVRGIVPSLK SNQLLVCRAQ NKQSAPQQDN VNSVSVSRRL
     ALTLLIGAAA VGSKVSPADA AYGEAANVFG KPKTDTDFQT YNGDGFKLQI PSKWNPNKEV
     EYPGQVLRFE DNFDATSNVI VAITPTDKKS ITDFGSPEQF LSQVDYLLGR QAYSGKTDSE
     GGFESDAVAI ANVLETSTAE VGGKQYYYLS ILTRTADGNE GGKHQLVTAT VNDGKLYICK
     AQAGDKRWFK GAKKFVENTA TSFSLA