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PHEB_SYNY1
ID   PHEB_SYNY1              Reviewed;         186 AA.
AC   P20779;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1991, sequence version 1.
DT   03-AUG-2022, entry version 83.
DE   RecName: Full=C-phycoerythrin beta chain;
GN   Name=cpeB; Synonyms=cpaB;
OS   Synechocystis sp. (strain PCC 6701).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC   Chroococcaceae; Geminocystis; unclassified Geminocystis.
OX   NCBI_TaxID=1144;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2106507; DOI=10.1128/jb.172.3.1297-1305.1990;
RA   Anderson L.K., Grossman A.R.;
RT   "Structure and light-regulated expression of phycoerythrin genes in wild-
RT   type and phycobilisome assembly mutants of Synechocystis sp. strain PCC
RT   6701.";
RL   J. Bacteriol. 172:1297-1305(1990).
CC   -!- FUNCTION: Light-harvesting photosynthetic bile pigment-protein from the
CC       phycobiliprotein complex.
CC   -!- SUBUNIT: Heterodimer of an alpha and a beta chain. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000250};
CC       Peripheral membrane protein {ECO:0000250}; Cytoplasmic side
CC       {ECO:0000250}. Note=Forms the periphery of the phycobilisome rod.
CC       {ECO:0000250}.
CC   -!- PTM: Contains three covalently linked bilin chromophores.
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the phycobiliprotein family. {ECO:0000305}.
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DR   EMBL; M33812; AAA27279.1; -; Genomic_DNA.
DR   PIR; A35127; A35127.
DR   AlphaFoldDB; P20779; -.
DR   SMR; P20779; -.
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:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.490.20; -; 1.
DR   InterPro; IPR009050; Globin-like_sf.
DR   InterPro; IPR012128; Phycobilisome_asu/bsu.
DR   InterPro; IPR038719; Phycobilisome_asu/bsu_sf.
DR   Pfam; PF00502; Phycobilisome; 1.
DR   PIRSF; PIRSF000081; Phycocyanin; 1.
DR   SUPFAM; SSF46458; SSF46458; 1.
PE   3: Inferred from homology;
KW   Antenna complex; Bile pigment; Chromophore; Electron transport; Membrane;
KW   Methylation; Photosynthesis; Phycobilisome; Thylakoid; Transport.
FT   CHAIN           1..186
FT                   /note="C-phycoerythrin beta chain"
FT                   /id="PRO_0000199207"
FT   BINDING         50
FT                   /ligand="(2R,3E)-phycoerythrobilin"
FT                   /ligand_id="ChEBI:CHEBI:85276"
FT                   /ligand_label="1"
FT                   /note="covalent, via 2 links"
FT                   /evidence="ECO:0000250"
FT   BINDING         61
FT                   /ligand="(2R,3E)-phycoerythrobilin"
FT                   /ligand_id="ChEBI:CHEBI:85276"
FT                   /ligand_label="1"
FT                   /note="covalent, via 2 links"
FT                   /evidence="ECO:0000250"
FT   BINDING         82
FT                   /ligand="(2R,3E)-phycoerythrobilin"
FT                   /ligand_id="ChEBI:CHEBI:85276"
FT                   /ligand_label="2"
FT                   /note="covalent, via 1 link"
FT                   /evidence="ECO:0000250"
FT   BINDING         167
FT                   /ligand="(2R,3E)-phycoerythrobilin"
FT                   /ligand_id="ChEBI:CHEBI:85276"
FT                   /ligand_label="3"
FT                   /note="covalent, via 1 link"
FT                   /evidence="ECO:0000250"
FT   MOD_RES         72
FT                   /note="N4-methylasparagine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   186 AA;  19488 MW;  5BD2CB606F587805 CRC64;
     MLDAFSRAVV SADSKTAPIG GDDLNQLRSF IASGNRRLDA VNAIASNASC MVSDAVAGMI
     CENTGLIQAG GNCYPNRRMA ACLRDAEIIL RYVSYALLAG DASVLDDRCL NGLKETYTAL
     GVPLQSTARA VAIMKAQAAA HIQDNPSEAL AGAKLRKMGT PVVEDRCASL VAESSSYFDR
     VIAALS
 
 
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