ID   PSBT_EUGGR              Reviewed;          31 AA.
AC   P20176;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1993, sequence version 2.
DT   25-MAY-2022, entry version 85.
DE   RecName: Full=Photosystem II reaction center protein T {ECO:0000255|HAMAP-Rule:MF_00808};
DE            Short=PSII-T {ECO:0000255|HAMAP-Rule:MF_00808};
GN   Name=psbT {ECO:0000255|HAMAP-Rule:MF_00808}; Synonyms=ycf8;
OS   Euglena gracilis.
OG   Plastid; Chloroplast.
OC   Eukaryota; Discoba; Euglenozoa; Euglenida; Spirocuta; Euglenophyceae;
OC   Euglenales; Euglenaceae; Euglena.
OX   NCBI_TaxID=3039;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Z / UTEX 753;
RX   PubMed=8346031; DOI=10.1093/nar/21.15.3537;
RA   Hallick R.B., Hong L., Drager R.G., Favreau M.R., Monfort A., Orsat B.,
RA   Spielmann A., Stutz E.;
RT   "Complete sequence of Euglena gracilis chloroplast DNA.";
RL   Nucleic Acids Res. 21:3537-3544(1993).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Z / UTEX 753;
RX   PubMed=7958842; DOI=10.1101/gad.8.13.1589;
RA   Hong L., Hallick R.B.;
RT   "A group III intron is formed from domains of two individual group II
RT   introns.";
RL   Genes Dev. 8:1589-1599(1994).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-8.
RC   STRAIN=Z / UTEX 753;
RX   PubMed=2518836; DOI=10.1007/bf00016028;
RA   Keller M., Weil J.H., Nair C.K.K.;
RT   "Nucleotide sequence of the psbB gene of Euglena gracilis.";
RL   Plant Mol. Biol. 13:723-725(1989).
CC   -!- FUNCTION: Seems to play a role in the dimerization of PSII.
CC       {ECO:0000255|HAMAP-Rule:MF_00808}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00808}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00808}.
CC   -!- SIMILARITY: Belongs to the PsbT family. {ECO:0000255|HAMAP-
CC       Rule:MF_00808}.
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DR   EMBL; Z11874; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   EMBL; X70810; CAA50132.1; -; Genomic_DNA.
DR   EMBL; X15903; CAA34017.1; ALT_SEQ; Genomic_DNA.
DR   PIR; S34917; A53841.
DR   RefSeq; NP_041945.1; NC_001603.2.
DR   AlphaFoldDB; P20176; -.
DR   SMR; P20176; -.
DR   GeneID; 807518; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0009539; C:photosystem II reaction center; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00808; PSII_PsbT; 1.
DR   InterPro; IPR001743; PSII_PsbT.
DR   InterPro; IPR037268; PSII_PsbT_sf.
DR   PANTHER; PTHR36411; PTHR36411; 1.
DR   Pfam; PF01405; PsbT; 1.
DR   SUPFAM; SSF161029; SSF161029; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem II; Plastid; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..31
FT                   /note="Photosystem II reaction center protein T"
FT                   /id="PRO_0000217930"
FT   TRANSMEM        3..23
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00808"
SQ   SEQUENCE   31 AA;  3607 MW;  3CF040E896D796F2 CRC64;
     MEALVYTFLL IGTLGVIFFA IFFRESPRIN K