ID   CBR_DUNSA               Reviewed;         172 AA.
AC   P27516;
DT   01-AUG-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1992, sequence version 1.
DT   25-MAY-2022, entry version 78.
DE   RecName: Full=Carotene biosynthesis-related protein CBR, chloroplastic;
DE   Flags: Precursor;
GN   Name=CBR;
OS   Dunaliella salina (Green alga) (Protococcus salinus).
OC   Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Chlorophyceae;
OC   CS clade; Chlamydomonadales; Dunaliellaceae; Dunaliella.
OX   NCBI_TaxID=3046;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1856203; DOI=10.1016/s0021-9258(18)92755-9;
RA   Lers A., Levy H., Zamir A.;
RT   "Co-regulation of a gene homologous to early light-induced genes in higher
RT   plants and beta-carotene biosynthesis in the alga Dunaliella bardawil.";
RL   J. Biol. Chem. 266:13698-13705(1991).
RN   [2]
RP   CHARACTERIZATION.
RX   PubMed=8407922; DOI=10.1016/s0021-9258(19)36870-x;
RA   Levy H., Tal T., Shaish A., Zamir A.;
RT   "Cbr, an algal homolog of plant early light-induced proteins, is a putative
RT   zeaxanthin binding protein.";
RL   J. Biol. Chem. 268:20892-20896(1993).
CC   -!- FUNCTION: Putative zeaxanthin binding protein. That forms
CC       photoprotective complexes within the light-harvesting antennae.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast membrane; Multi-pass
CC       membrane protein.
CC   -!- SIMILARITY: Belongs to the ELIP/psbS family. {ECO:0000305}.
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DR   EMBL; L32871; AAA33279.1; -; Genomic_DNA.
DR   EMBL; M77506; AAA33279.1; JOINED; Genomic_DNA.
DR   PIR; A39458; A39458.
DR   AlphaFoldDB; P27516; -.
DR   SMR; P27516; -.
DR   GO; GO:0031969; C:chloroplast membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   InterPro; IPR022796; Chloroa_b-bind.
DR   Pfam; PF00504; Chloroa_b-bind; 1.
PE   1: Evidence at protein level;
KW   Chloroplast; Membrane; Plastid; Transit peptide; Transmembrane;
KW   Transmembrane helix.
FT   TRANSIT         1..?
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000255"
FT   CHAIN           ?..172
FT                   /note="Carotene biosynthesis-related protein CBR,
FT                   chloroplastic"
FT                   /id="PRO_0000007804"
FT   TRANSMEM        111..131
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        152..172
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   REGION          41..66
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        46..65
FT                   /note="Pro residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   172 AA;  17887 MW;  07439C08E5167D6D CRC64;
     MQLHMNLPTS RIAAGASINV RPAPLLRTAA PKRVCKHIVR AENNPSTPPP SSPSPPPPPP
     TPAAPTVTEV MGFSGAPEII NGRLAMLGFV AALGAELSTG ESVLTQLGDQ PTLIALTFVL
     FSAASLIPAF ARRKGDAMGP FTPDAEMTNG RFAMIGFAAM LVYEGIQGIA LF