ID   APCD_NEOYE              Reviewed;         161 AA.
AC   Q1XDU2;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   02-MAY-2006, sequence version 1.
DT   03-AUG-2022, entry version 58.
DE   RecName: Full=Allophycocyanin alpha-B chain;
DE   AltName: Full=Allophycocyanin gamma chain;
GN   Name=apcD;
OS   Neopyropia yezoensis (Susabi-nori) (Pyropia yezoensis).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Neopyropia.
OX   NCBI_TaxID=2788;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=U-51;
RA   Kunimoto M., Morishima K., Yoshikawa M., Fukuda S., Kobayashi T.,
RA   Kobayashi M., Okazaki T., Ohara I., Nakayama I.;
RT   "Whole genome sequence of Porphyra yezoensis chloroplast.";
RL   Submitted (NOV-2003) to the EMBL/GenBank/DDBJ databases.
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}.
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; AP006715; BAE92319.1; -; Genomic_DNA.
DR   RefSeq; YP_536876.1; NC_007932.1.
DR   AlphaFoldDB; Q1XDU2; -.
DR   SMR; Q1XDU2; -.
DR   GeneID; 3978829; -.
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_0000277332"
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;  18103 MW;  799750A89921B722 CRC64;
     MSLVTQIIVN ADDELRYPTI GELQSIQDYL TTGSNRIRIA TIIRDKEKEI IQKASKQIFQ
     LHPEYIAPGG NAAGSRKRSL CLRDYGWYLR LITYGVLAGD KDSIETIGII GVREMYNSLG
     VPIIGMLDAI QCLKEASLEM LGQDDIRIIS PYFDYIIRGM S