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PHEB_NEOTN
ID   PHEB_NEOTN              Reviewed;         177 AA.
AC   P68939; O20205; O49842;
DT   01-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-2005, sequence version 1.
DT   03-AUG-2022, entry version 54.
DE   RecName: Full=R-phycoerythrin beta chain;
GN   Name=cpeB;
OS   Neopyropia tenera (Nori) (Pyropia tenera).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Neopyropia.
OX   NCBI_TaxID=2785;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Minomi;
RA   Kim B.-K., Chung G.-H., Fujita Y.;
RT   "Phycoerythrin encoding gene from Porphyra tenera.";
RL   (er) Plant Gene Register PGR97-158(1997).
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: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}; Peripheral membrane protein {ECO:0000250}; Stromal side
CC       {ECO:0000250}. Note=Forms the periphery of the phycobilisome rod.
CC       {ECO:0000250}.
CC   -!- PTM: Contains two covalently linked phycoerythrobilin chromophores and
CC       one covalently linked phycourobilin chromophore. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the phycobiliprotein family. {ECO:0000305}.
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DR   EMBL; D89877; BAA24199.1; -; Genomic_DNA.
DR   AlphaFoldDB; P68939; -.
DR   SMR; P68939; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0030089; C:phycobilisome; IEA:UniProtKB-KW.
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; Chloroplast; Chromophore;
KW   Electron transport; Membrane; Methylation; Photosynthesis; Phycobilisome;
KW   Plastid; Thylakoid; Transport.
FT   CHAIN           1..177
FT                   /note="R-phycoerythrin beta chain"
FT                   /id="PRO_0000199197"
FT   BINDING         50
FT                   /ligand="phycourobilin"
FT                   /ligand_id="ChEBI:CHEBI:189062"
FT                   /note="covalent, via 2 links"
FT                   /evidence="ECO:0000250"
FT   BINDING         61
FT                   /ligand="phycourobilin"
FT                   /ligand_id="ChEBI:CHEBI:189062"
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="1"
FT                   /note="covalent, via 1 link"
FT                   /evidence="ECO:0000250"
FT   BINDING         158
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   MOD_RES         72
FT                   /note="N4-methylasparagine"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   177 AA;  18423 MW;  2162FEA579593E76 CRC64;
     MLDAFSRVVV NSDAKAAYVG GSDLQALKKF IADGNKRLDS VNAIVSNASC IVSDAVSGMI
     CENPGLIAPG GNCYTNRRMA ACLRDGEIIL RYVSYALLAG DPSVLEDRCL NGLKETYIAL
     GVPTNSSVRA VSIMKAAAVA FITNTASQRK MATADGDCSA LASEVASYCD RVAAAIS
 
 
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