PSBR_CHLRE
ID PSBR_CHLRE Reviewed; 141 AA.
AC A0A2K3DMP5;
DT 31-JUL-2019, integrated into UniProtKB/Swiss-Prot.
DT 28-MAR-2018, sequence version 1.
DT 03-AUG-2022, entry version 17.
DE RecName: Full=Photosystem II protein PSBR, chloroplastic {ECO:0000305};
DE AltName: Full=Protein PHOTOSYSTEM II SUBUNIT R {ECO:0000303|PubMed:25699588};
DE Flags: Precursor;
GN Name=PSBR {ECO:0000303|PubMed:25699588};
GN ORFNames=CHLRE_06g261000v5 {ECO:0000312|EMBL:PNW81805.1};
OS Chlamydomonas reinhardtii (Chlamydomonas smithii).
OC Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Chlorophyceae;
OC CS clade; Chlamydomonadales; Chlamydomonadaceae; Chlamydomonas.
OX NCBI_TaxID=3055;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CC-503;
RX PubMed=17932292; DOI=10.1126/science.1143609;
RA Merchant S.S., Prochnik S.E., Vallon O., Harris E.H., Karpowicz S.J.,
RA Witman G.B., Terry A., Salamov A., Fritz-Laylin L.K., Marechal-Drouard L.,
RA Marshall W.F., Qu L.H., Nelson D.R., Sanderfoot A.A., Spalding M.H.,
RA Kapitonov V.V., Ren Q., Ferris P., Lindquist E., Shapiro H., Lucas S.M.,
RA Grimwood J., Schmutz J., Cardol P., Cerutti H., Chanfreau G., Chen C.L.,
RA Cognat V., Croft M.T., Dent R., Dutcher S., Fernandez E., Fukuzawa H.,
RA Gonzalez-Ballester D., Gonzalez-Halphen D., Hallmann A., Hanikenne M.,
RA Hippler M., Inwood W., Jabbari K., Kalanon M., Kuras R., Lefebvre P.A.,
RA Lemaire S.D., Lobanov A.V., Lohr M., Manuell A., Meier I., Mets L.,
RA Mittag M., Mittelmeier T., Moroney J.V., Moseley J., Napoli C.,
RA Nedelcu A.M., Niyogi K., Novoselov S.V., Paulsen I.T., Pazour G.J.,
RA Purton S., Ral J.P., Riano-Pachon D.M., Riekhof W., Rymarquis L.,
RA Schroda M., Stern D., Umen J., Willows R., Wilson N., Zimmer S.L.,
RA Allmer J., Balk J., Bisova K., Chen C.J., Elias M., Gendler K., Hauser C.,
RA Lamb M.R., Ledford H., Long J.C., Minagawa J., Page M.D., Pan J.,
RA Pootakham W., Roje S., Rose A., Stahlberg E., Terauchi A.M., Yang P.,
RA Ball S., Bowler C., Dieckmann C.L., Gladyshev V.N., Green P., Jorgensen R.,
RA Mayfield S., Mueller-Roeber B., Rajamani S., Sayre R.T., Brokstein P.,
RA Dubchak I., Goodstein D., Hornick L., Huang Y.W., Jhaveri J., Luo Y.,
RA Martinez D., Ngau W.C., Otillar B., Poliakov A., Porter A., Szajkowski L.,
RA Werner G., Zhou K., Grigoriev I.V., Rokhsar D.S., Grossman A.R.;
RT "The Chlamydomonas genome reveals the evolution of key animal and plant
RT functions.";
RL Science 318:245-250(2007).
RN [2]
RP GENOME REANNOTATION.
RC STRAIN=CC-503;
RG Chlamydomonas Annotation Team;
RG JGI Annotation Team;
RA Merchant S.S., Prochnik S.E., Vallon O., Harris E.H., Karpowicz S.J.,
RA Witman G.B., Terry A., Salamov A., Fritz-Laylin L.K., Marechal-Drouard L.,
RA Marshall W.F., Qu L.H., Nelson D.R., Sanderfoot A.A., Spalding M.H.,
RA Kapitonov V.V., Ren Q., Ferris P., Lindquist E., Shapiro H., Lucas S.M.,
RA Grimwood J., Schmutz J., Grigoriev I.V., Rokhsar D.S.;
RT "WGS assembly of Chlamydomonas reinhardtii.";
RL Submitted (JUL-2017) to the EMBL/GenBank/DDBJ databases.
RN [3]
RP IDENTIFICATION BY MASS SPECTROMETRY, AND PHOSPHORYLATION AT SER-43.
RX PubMed=16670252; DOI=10.1074/mcp.m600066-mcp200;
RA Turkina M.V., Kargul J., Blanco-Rivero A., Villarejo A., Barber J.,
RA Vener A.V.;
RT "Environmentally modulated phosphoproteome of photosynthetic membranes in
RT the green alga Chlamydomonas reinhardtii.";
RL Mol. Cell. Proteomics 5:1412-1425(2006).
RN [4]
RP FUNCTION, IDENTIFICATION BY MASS SPECTROMETRY, AND PHOSPHORYLATION AT
RP THR-34; THR-37 AND SER-43.
RX PubMed=25699588; DOI=10.1104/pp.15.00094;
RA Xue H., Tokutsu R., Bergner S.V., Scholz M., Minagawa J., Hippler M.;
RT "PHOTOSYSTEM II SUBUNIT R is required for efficient binding of LIGHT-
RT HARVESTING COMPLEX STRESS-RELATED PROTEIN3 to photosystem II-light-
RT harvesting supercomplexes in Chlamydomonas reinhardtii.";
RL Plant Physiol. 167:1566-1578(2015).
CC -!- FUNCTION: Associated with the oxygen-evolving complex of photosystem II
CC (PSII) (Probable). Is required for the stable binding of LHCSR3 to
CC PSII-LHCII supercomplexes and is essential for efficient energy-
CC dependent quenching and the integrity of the PSII-LHCII-LHCSR3
CC supercomplex under continuous high light (PubMed:25699588).
CC {ECO:0000269|PubMed:25699588, ECO:0000305|PubMed:25699588}.
CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC {ECO:0000305|PubMed:25699588}; Single-pass membrane protein
CC {ECO:0000255}. Note=Associated with the photosystem II complex.
CC -!- SIMILARITY: Belongs to the psbR family. {ECO:0000305}.
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DR EMBL; CM008967; PNW81805.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2K3DMP5; -.
DR STRING; 3055.EDP08565; -.
DR iPTMnet; A0A2K3DMP5; -.
DR EnsemblPlants; PNW81805; PNW81805; CHLRE_06g261000v5.
DR Gramene; PNW81805; PNW81805; CHLRE_06g261000v5.
DR Proteomes; UP000006906; Chromosome 6.
DR ExpressionAtlas; A0A2K3DMP5; baseline and differential.
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:0009654; C:photosystem II oxygen evolving complex; IEA:InterPro.
DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR InterPro; IPR006814; PSII_PsbR.
DR PANTHER; PTHR34369; PTHR34369; 1.
DR Pfam; PF04725; PsbR; 1.
PE 1: Evidence at protein level;
KW Chloroplast; Membrane; Phosphoprotein; Photosynthesis; Photosystem II;
KW Plastid; Reference proteome; Thylakoid; Transit peptide; Transmembrane;
KW Transmembrane helix.
FT TRANSIT 1..27
FT /note="Chloroplast"
FT /evidence="ECO:0000255"
FT CHAIN 28..141
FT /note="Photosystem II protein PSBR, chloroplastic"
FT /id="PRO_0000447657"
FT TRANSMEM 114..134
FT /note="Helical"
FT /evidence="ECO:0000255"
FT MOD_RES 34
FT /note="Phosphothreonine"
FT /evidence="ECO:0000269|PubMed:25699588"
FT MOD_RES 37
FT /note="Phosphothreonine"
FT /evidence="ECO:0000269|PubMed:25699588"
FT MOD_RES 43
FT /note="Phosphoserine"
FT /evidence="ECO:0000269|PubMed:16670252,
FT ECO:0000269|PubMed:25699588"
SQ SEQUENCE 141 AA; 15139 MW; 5892CD0A068C4ACD CRC64;
MATMQISAKG LAPLRPRVSS RRVVKPVASG GGKTDITKVG LNSIEDPVVK QNLMGKSRFM
NKKDWKDASG RKGKGYGVYR YEDKYGANVD GYSPIYTPDL WTESGDSYTL GTKGLIAWAG
LVLVLLAVGV NLIISTSQLG A
