ID   CROTO_NOSS1             Reviewed;         171 AA.
AC   Q8YMJ2;
DT   14-OCT-2015, integrated into UniProtKB/Swiss-Prot.
DT   14-OCT-2015, sequence version 2.
DT   03-AUG-2022, entry version 72.
DE   RecName: Full=Orange carotenoid-binding domain-containing protein {ECO:0000305};
GN   OrderedLocusNames=all4941;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
CC   -!- FUNCTION: Might act as a photo-protectant, protecting against damage
CC       induced by excess light via a process known as non-photochemical
CC       quenching (NPQ). {ECO:0000250|UniProtKB:P74102}.
CC   -!- COFACTOR:
CC       Name=3'-hydroxyechinenone; Xref=ChEBI:CHEBI:80214;
CC         Evidence={ECO:0000250|UniProtKB:P74102};
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane
CC       {ECO:0000250|UniProtKB:P83689}. Note=Associated with the phycobilisome.
CC       {ECO:0000250|UniProtKB:P74102}.
CC   -!- SIMILARITY: Belongs to the orange carotenoid-binding protein family.
CC       {ECO:0000255|PROSITE-ProRule:PRU01109, ECO:0000305}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAB76640.1; Type=Erroneous initiation; Note=Truncated N-terminus.; Evidence={ECO:0000305};
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DR   EMBL; BA000019; BAB76640.1; ALT_INIT; Genomic_DNA.
DR   PIR; AE2423; AE2423.
DR   RefSeq; WP_044522402.1; NZ_RSCN01000018.1.
DR   AlphaFoldDB; Q8YMJ2; -.
DR   SMR; Q8YMJ2; -.
DR   STRING; 103690.17134079; -.
DR   EnsemblBacteria; BAB76640; BAB76640; BAB76640.
DR   KEGG; ana:all4941; -.
DR   eggNOG; COG3631; Bacteria.
DR   OrthoDB; 1605386at2; -.
DR   Proteomes; UP000002483; Chromosome.
DR   GO; GO:0030089; C:phycobilisome; IEA:UniProtKB-KW.
DR   GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0031404; F:chloride ion binding; IEA:InterPro.
DR   GO; GO:0016037; P:light absorption; IEA:InterPro.
DR   Gene3D; 1.10.2090.10; -; 1.
DR   InterPro; IPR015233; Orange_carotenoid-bd_N.
DR   InterPro; IPR036917; Orange_carotenoid-bd_N_sf.
DR   Pfam; PF09150; Carot_N; 1.
DR   SUPFAM; SSF81930; SSF81930; 1.
DR   PROSITE; PS51773; OCP_N; 1.
PE   3: Inferred from homology;
KW   Antenna complex; Chromophore; Membrane; Phycobilisome; Reference proteome;
KW   Thylakoid.
FT   CHAIN           1..171
FT                   /note="Orange carotenoid-binding domain-containing protein"
FT                   /id="PRO_0000434476"
FT   DOMAIN          21..171
FT                   /note="OCP N-terminal"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01109"
SQ   SEQUENCE   171 AA;  18658 MW;  8EE4856908F6C24F CRC64;
     MTFTSDSAST RFSQAFGIQT GDAVASTITV FQALSIDDQL AVLWYAYTEM GRSITPAATG
     AARLQLAEGL LNQIKQMSHA EQLQVMRDLA AKNNTQVSRS YGILSNNTKL AFWYELSELM
     VKGFVVPVPT DYKISRDGSQ VLEALKGLDF GQQITVLRKV VADMGVDPLA D