PHEB_RHOVL
ID PHEB_RHOVL Reviewed; 177 AA.
AC Q02037;
DT 01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT 01-APR-1993, sequence version 1.
DT 03-AUG-2022, entry version 87.
DE RecName: Full=B-phycoerythrin beta chain;
GN Name=cpeB; Synonyms=rpeB;
OS Rhodella violacea (Red alga).
OG Plastid; Chloroplast.
OC Eukaryota; Rhodophyta; Rhodellophyceae; Rhodellales; Rhodellaceae;
OC Rhodella.
OX NCBI_TaxID=2801;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND PROTEIN SEQUENCE OF 1-20.
RX PubMed=1409666; DOI=10.1073/pnas.89.20.9564;
RA Bernard C., Thomas J.C., Mazel D., Mousseau A., Castets A.M.,
RA Tandeau de Marsac N., Dubacq J.P.;
RT "Characterization of the genes encoding phycoerythrin in the red alga
RT Rhodella violacea: evidence for a splitting of the rpeB gene by an
RT intron.";
RL Proc. Natl. Acad. Sci. U.S.A. 89:9564-9568(1992).
CC -!- FUNCTION: Light-harvesting photosynthetic bile pigment-protein from the
CC phycobiliprotein complex.
CC -!- SUBUNIT: Heteromer of 6 alpha, 6 beta and one gamma chain.
CC {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; L02188; AAB01575.1; -; Genomic_DNA.
DR PIR; A47207; A47207.
DR AlphaFoldDB; Q02037; -.
DR SMR; Q02037; -.
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 1: Evidence at protein level;
KW Antenna complex; Bile pigment; Chloroplast; Chromophore;
KW Direct protein sequencing; Electron transport; Membrane; Methylation;
KW Photosynthesis; Phycobilisome; Plastid; Thylakoid; Transport.
FT CHAIN 1..177
FT /note="B-phycoerythrin beta chain"
FT /id="PRO_0000199201"
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; 18603 MW; F63A0DEC3A28494F CRC64;
MLDAFSRVVV NSDTKAAYVG GSDLQALKKF IADGNKRLDS VNAIVSNASC VVSDAVSGMI
CENPGLITPG GNCYTNRRMA ACLRDGEIII RYVSYALLSG DPSVLEDRCL NGLKETYIAL
GVPTNSNARA VDIMKASVVA LINNTATLRK MPTPSGDCSA LAAEAGSYFD RVNSALS
