ID   PSBP2_TOBAC             Reviewed;         265 AA.
AC   P18212;
DT   01-NOV-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1992, sequence version 2.
DT   25-MAY-2022, entry version 108.
DE   RecName: Full=Oxygen-evolving enhancer protein 2-2, 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=PSBP2; Synonyms=OEE2-B, PSBP;
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=1868208; DOI=10.1007/bf00023442;
RA   Hua S., Dube S.K., Barnett N.M., Kung S.;
RT   "Nucleotide sequence of a cDNA clone encoding 23 kDa polypeptide of the
RT   oxygen-evolving complex of photosystem II in tobacco, Nicotiana tabacum
RT   L.";
RL   Plant Mol. Biol. 16:749-750(1991).
RN   [2]
RP   PROTEIN SEQUENCE OF 80-91.
RC   STRAIN=cv. KY57;
RX   PubMed=1868202; DOI=10.1007/bf00023433;
RA   Takahashi H., Ehara Y., Hirano H.;
RT   "A protein in the oxygen-evolving complex in the chloroplast is associated
RT   with symptom expression on tobacco leaves infected with cucumber mosaic
RT   virus strain Y.";
RL   Plant Mol. Biol. 16:689-698(1991).
CC   -!- FUNCTION: May be involved in the regulation of photosystem II.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane.
CC       Note=Associated with the photosystem II complex.
CC   -!- INDUCTION: By light.
CC   -!- SIMILARITY: Belongs to the psbP 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   EMBL; X55354; CAA39039.1; -; mRNA.
DR   PIR; S17446; S17446.
DR   RefSeq; NP_001312779.1; NM_001325850.1.
DR   RefSeq; XP_016490258.1; XM_016634772.1.
DR   RefSeq; XP_016490259.1; XM_016634773.1.
DR   RefSeq; XP_016490260.1; XM_016634774.1.
DR   RefSeq; XP_016490262.1; XM_016634776.1.
DR   PDB; 1V2B; X-ray; 1.60 A; A/B=89-265.
DR   PDBsum; 1V2B; -.
DR   AlphaFoldDB; P18212; -.
DR   SMR; P18212; -.
DR   STRING; 4097.P18212; -.
DR   GeneID; 107810044; -.
DR   KEGG; nta:107810044; -.
DR   OMA; WFKGQER; -.
DR   OrthoDB; 1239588at2759; -.
DR   PhylomeDB; P18212; -.
DR   EvolutionaryTrace; P18212; -.
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   DisProt; DP01591; -.
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   1: Evidence at protein level;
KW   3D-structure; Chloroplast; Direct protein sequencing; Membrane;
KW   Photosynthesis; Photosystem II; Plastid; Reference proteome; Thylakoid;
KW   Transit peptide.
FT   TRANSIT         1..79
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000269|PubMed:1868202"
FT   CHAIN           80..265
FT                   /note="Oxygen-evolving enhancer protein 2-2, chloroplastic"
FT                   /id="PRO_0000029584"
FT   STRAND          97..101
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   STRAND          103..110
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   STRAND          124..130
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   STRAND          133..144
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   HELIX           150..153
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   HELIX           156..162
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   HELIX           163..166
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   STRAND          189..200
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   STRAND          203..213
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   STRAND          222..231
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   STRAND          234..243
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   HELIX           244..246
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   TURN            249..252
FT                   /evidence="ECO:0007829|PDB:1V2B"
FT   HELIX           253..260
FT                   /evidence="ECO:0007829|PDB:1V2B"
SQ   SEQUENCE   265 AA;  28561 MW;  534E44D42A425C9D CRC64;
     MASTQCFLHH HALSTPARTP LVRSIVPSLK PNQLLVCRAQ KQSAPQEDNV NSVSVSRRLA
     LTVLIGAAAV GSKVSPADAA YGEAANVFGK PKTDTDFQTY NGDGFKLQIP SKWNPNKEVE
     YPGQVLRFED NFDATSNVIV AITPTDKKSI TDFGSPEQFL SQVDYLLGRQ AYSGKTDSEG
     GFESDAVAIA NVLETSSAEV GGKPYYYLSV LTRTADGNEG GKHQLITATV NDGKLYICKA
     QAGDKRWFKG AKKFVENTAT SFSLA