ID   PHEB1_SYNPY             Reviewed;         184 AA.
AC   Q02180;
DT   01-JUL-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1993, sequence version 1.
DT   03-AUG-2022, entry version 90.
DE   RecName: Full=C-phycoerythrin class 1 subunit beta;
DE   AltName: Full=C-phycoerythrin class I beta chain;
GN   Name=cpeB;
OS   Synechococcus sp. (strain WH8020).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=32052;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8425055; DOI=10.1007/bf00019939;
RA   de Lorimier R., Wilbanks S.M., Glazer A.N.;
RT   "Genes of the R-phycocyanin II locus of marine Synechococcus spp., and
RT   comparison of protein-chromophore interactions in phycocyanins differing in
RT   bilin composition.";
RL   Plant Mol. Biol. 21:225-237(1993).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8419325; DOI=10.1016/s0021-9258(18)54064-3;
RA   Wilbanks S.M., Glazer A.N.;
RT   "Rod structure of a phycoerythrin II-containing phycobilisome. I.
RT   Organization and sequence of the gene cluster encoding the major
RT   phycobiliprotein rod components in the genome of marine Synechococcus sp.
RT   WH8020.";
RL   J. Biol. Chem. 268:1226-1235(1993).
RN   [3]
RP   PARTIAL PROTEIN SEQUENCE, CHROMOPHORE BINDING, AND METHYLATION AT ASN-72.
RX   PubMed=1903388; DOI=10.1016/s0021-9258(18)92851-6;
RA   Ong L.J., Glazer A.N.;
RT   "Phycoerythrins of marine unicellular cyanobacteria. I. Bilin types and
RT   locations and energy transfer pathways in Synechococcus spp.
RT   phycoerythrins.";
RL   J. Biol. Chem. 266:9515-9527(1991).
CC   -!- FUNCTION: Light-harvesting photosynthetic bile pigment-protein from the
CC       phycobiliprotein complex.
CC   -!- SUBUNIT: Heterodimer of an alpha and a beta chain.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane; Peripheral membrane
CC       protein; Cytoplasmic side. Note=Forms the periphery of the
CC       phycobilisome rod.
CC   -!- PTM: Contains three covalently linked phycoerythrobilin chromophores.
CC   -!- SIMILARITY: Belongs to the phycobiliprotein family. {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; M95288; AAA27341.1; -; Genomic_DNA.
DR   RefSeq; WP_048347957.1; NZ_CP011941.1.
DR   AlphaFoldDB; Q02180; -.
DR   SMR; Q02180; -.
DR   STRING; 32052.WB44_13655; -.
DR   iPTMnet; Q02180; -.
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   1: Evidence at protein level;
KW   Antenna complex; Bile pigment; Chromophore; Direct protein sequencing;
KW   Electron transport; Membrane; Methylation; Photosynthesis; Phycobilisome;
KW   Thylakoid; Transport.
FT   CHAIN           1..184
FT                   /note="C-phycoerythrin class 1 subunit beta"
FT                   /id="PRO_0000199202"
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   BINDING         61
FT                   /ligand="(2R,3E)-phycoerythrobilin"
FT                   /ligand_id="ChEBI:CHEBI:85276"
FT                   /ligand_label="1"
FT                   /note="covalent, via 2 links"
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   BINDING         165
FT                   /ligand="(2R,3E)-phycoerythrobilin"
FT                   /ligand_id="ChEBI:CHEBI:85276"
FT                   /ligand_label="3"
FT                   /note="covalent, via 1 link"
FT   MOD_RES         72
FT                   /note="N4-methylasparagine"
FT                   /evidence="ECO:0000305|PubMed:1903388"
SQ   SEQUENCE   184 AA;  19098 MW;  E6788D1480840682 CRC64;
     MLDAFSRSVV SADAKTAPVG GSDLAGLRSY VRDGNKRLDA VNAITSNASC IVSDAVTGMI
     CENTGLIQAG GNCYPNRRMA ACLRDGEIVL RYISYALLAG DASVLDDRCL NGLKETYIAL
     GVPTQSAGRA VAIMKASATA HIGETNTPGL GGKRFRKMET TQGDCAALVA EAGAYFDRVI
     GAIS