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PHCA_SYNPW
ID   PHCA_SYNPW              Reviewed;         162 AA.
AC   P27288; A5GIZ0;
DT   01-AUG-1992, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 3.
DT   03-AUG-2022, entry version 120.
DE   RecName: Full=R-phycocyanin alpha subunit;
GN   Name=rpcA; Synonyms=cpcA; OrderedLocusNames=SynWH7803_0479;
OS   Synechococcus sp. (strain WH7803).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=32051;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=1912508; DOI=10.1007/bf00037076;
RA   Wilson W.H., Newman J., Mann N.H., Carr N.G.;
RT   "Cloning and sequence analysis of the phycocyanin genes of the marine
RT   cyanobacterium Synechococcus sp. WH7803.";
RL   Plant Mol. Biol. 17:931-933(1991).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=WH7803;
RG   Genoscope;
RL   Submitted (MAY-2006) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Light-harvesting photosynthetic bile pigment-protein from the
CC       phycobiliprotein complex (phycobilisome, PBS). Phycocyanin is the major
CC       phycobiliprotein in the PBS rod.
CC   -!- SUBUNIT: Heterodimer of an alpha and a beta subunit, which further
CC       assembles into trimers and the trimers into hexamers.
CC       {ECO:0000250|UniProtKB:P13530}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000250};
CC       Peripheral membrane protein {ECO:0000250}; Cytoplasmic side
CC       {ECO:0000250}. Note=Part of the phycobilisome rod. {ECO:0000250}.
CC   -!- PTM: Contains one covalently linked bilin chromophore. {ECO:0000250,
CC       ECO:0000250|UniProtKB:P13530}.
CC   -!- SIMILARITY: Belongs to the phycobiliprotein family. {ECO:0000305}.
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DR   EMBL; X59809; CAA42480.1; -; Genomic_DNA.
DR   EMBL; CT971583; CAK22905.1; -; Genomic_DNA.
DR   PIR; S17735; CFYCA3.
DR   RefSeq; WP_011932393.1; NC_009481.1.
DR   AlphaFoldDB; P27288; -.
DR   SMR; P27288; -.
DR   STRING; 32051.SynWH7803_0479; -.
DR   EnsemblBacteria; CAK22905; CAK22905; SynWH7803_0479.
DR   KEGG; syx:SynWH7803_0479; -.
DR   eggNOG; ENOG502Z85C; Bacteria.
DR   HOGENOM; CLU_104219_2_0_3; -.
DR   OMA; TTQMQGP; -.
DR   OrthoDB; 1513296at2; -.
DR   Proteomes; UP000001566; Chromosome.
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   InterPro; IPR006246; Phycocyanin_a.
DR   Pfam; PF00502; Phycobilisome; 1.
DR   PIRSF; PIRSF000081; Phycocyanin; 1.
DR   SUPFAM; SSF46458; SSF46458; 1.
DR   TIGRFAMs; TIGR01338; phycocy_alpha; 1.
PE   3: Inferred from homology;
KW   Antenna complex; Bile pigment; Chromophore; Electron transport; Membrane;
KW   Photosynthesis; Phycobilisome; Reference proteome; Thylakoid; Transport.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..162
FT                   /note="R-phycocyanin alpha subunit"
FT                   /id="PRO_0000199137"
FT   BINDING         84
FT                   /ligand="(2R,3E)-phycoerythrobilin"
FT                   /ligand_id="ChEBI:CHEBI:85276"
FT                   /note="covalent, via 1 link"
FT                   /evidence="ECO:0000250|UniProtKB:P13530"
SQ   SEQUENCE   162 AA;  17320 MW;  0D05B85EE477F71A CRC64;
     MKTPLTEAVS AADSQGRFLS STEVQAASGR FNRAAASLEA AKALSAKADA LVNGAAQAVY
     NKFPYTTQME GSNYSTTPEG KAKCSRDVGY YLRMITYCLV AGGTGPMDDY LIAGLDEINR
     TFELSPSWYV EALKYIKSNH GLSGDAATEA NSYIDYAINA LI
 
 
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