APCD_PORPU
ID APCD_PORPU Reviewed; 161 AA.
AC P51195;
DT 01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-1996, sequence version 1.
DT 03-AUG-2022, entry version 74.
DE RecName: Full=Allophycocyanin alpha-B chain;
DE AltName: Full=Allophycocyanin gamma chain;
GN Name=apcD;
OS Porphyra purpurea (Red seaweed) (Ulva purpurea).
OG Plastid; Chloroplast.
OC Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Porphyra.
OX NCBI_TaxID=2787;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Avonport;
RA Reith M.E., Munholland J.;
RT "Complete nucleotide sequence of the Porphyra purpurea chloroplast
RT genome.";
RL Plant Mol. Biol. Rep. 13:333-335(1995).
CC -!- FUNCTION: Allophycocyanin is a photosynthetic bile pigment-protein
CC complex with maximum absorption at approximately 650 nanometers.
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 core of the phycobilisome. {ECO:0000250}.
CC -!- PTM: Contains one covalently linked bilin chromophore. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the phycobiliprotein family. {ECO:0000305}.
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DR EMBL; U38804; AAC08081.1; -; Genomic_DNA.
DR PIR; S73116; S73116.
DR RefSeq; NP_053805.1; NC_000925.1.
DR AlphaFoldDB; P51195; -.
DR SMR; P51195; -.
DR GeneID; 809819; -.
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..161
FT /note="Allophycocyanin alpha-B chain"
FT /id="PRO_0000199110"
FT BINDING 81
FT /ligand="(2R,3E)-phycocyanobilin"
FT /ligand_id="ChEBI:CHEBI:85275"
FT /note="covalent, via 1 link"
FT /evidence="ECO:0000250"
FT MOD_RES 71
FT /note="N4-methylasparagine"
FT /evidence="ECO:0000250"
SQ SEQUENCE 161 AA; 18044 MW; 19F7954983E6C18A CRC64;
MSLVSQIIIN ADDELRYPTI GELQSIQNYL ITGSNRIRIA TIIRDKEKEI IQKASKQIFQ
LHPEYIAPGG NAAGSRKRSL CLRDYGWYLR LITYGVLAGD KDSIETIGII GVREMYNSLG
VPIIGMLDAI QCLKEASLEM LGQDDAKIIS PYFDYIIRGM S