PHEA2_SYNPZ
ID PHEA2_SYNPZ Reviewed; 165 AA.
AC P0A317; P37720;
DT 15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT 15-MAR-2005, sequence version 1.
DT 03-AUG-2022, entry version 51.
DE RecName: Full=C-phycoerythrin class 2 subunit alpha;
DE AltName: Full=C-phycoerythrin class II alpha chain;
GN Name=mpeA;
OS Synechococcus sp. (strain WH8103).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC unclassified Synechococcus.
OX NCBI_TaxID=29410;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=1391782; DOI=10.1007/bf00014507;
RA de Lorimier R., Chen C.-C.J., Glazer A.N.;
RT "Sequence comparison of two highly homologous phycoerythrins differing in
RT bilin composition.";
RL Plant Mol. Biol. 20:353-356(1992).
RN [2]
RP PARTIAL PROTEIN SEQUENCE, AND CHROMOPHORE BINDING.
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 phycourobilin 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; M91809; AAA27322.1; -; Genomic_DNA.
DR RefSeq; WP_011128867.1; NZ_LN847356.1.
DR AlphaFoldDB; P0A317; -.
DR SMR; P0A317; -.
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; Photosynthesis; Phycobilisome; Thylakoid;
KW Transport.
FT CHAIN 1..165
FT /note="C-phycoerythrin class 2 subunit alpha"
FT /id="PRO_0000199187"
FT BINDING 75
FT /ligand="phycourobilin"
FT /ligand_id="ChEBI:CHEBI:189062"
FT /ligand_label="1"
FT /note="covalent, via 1 link"
FT BINDING 83
FT /ligand="phycourobilin"
FT /ligand_id="ChEBI:CHEBI:189062"
FT /ligand_label="2"
FT /note="covalent, via 1 link"
FT BINDING 140
FT /ligand="phycourobilin"
FT /ligand_id="ChEBI:CHEBI:189062"
FT /ligand_label="3"
FT /note="covalent, via 1 link"
SQ SEQUENCE 165 AA; 17729 MW; DBD252CC5DD39B2C CRC64;
MKSVITTVVG AADSASRFPS ASDMESVQGS IQRAAARLEA AEKLAGNYDQ VAQEAVDAVY
NQYPNGATGR QPRKCATEGK EKCKRDFVHY LRLINYCLVT GGTGPLDELA INGQKEVYKA
LSIDAGTYVA GFSHLRSRGC APRDMSAQAL TAYNQLLDYV INSLG