ID   PSAD_NOSS8              Reviewed;         138 AA.
AC   P56596;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-1998, sequence version 1.
DT   25-MAY-2022, entry version 45.
DE   RecName: Full=Photosystem I reaction center subunit II;
DE   AltName: Full=Photosystem I 16 kDa polypeptide;
DE            Short=PSI-D;
GN   Name=psaD;
OS   Nostoc sp. (strain PCC 8009).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=29413;
RN   [1]
RP   STRUCTURE BY NMR.
RX   PubMed=9692933; DOI=10.1046/j.1432-1327.1998.2550309.x;
RA   Xia Z., Broadhurst R.W., Laue E.D., Bryant D.A., Golbeck J.H.,
RA   Bendall D.S.;
RT   "Structure and properties in solution of PsaD, an extrinsic polypeptide of
RT   photosystem I.";
RL   Eur. J. Biochem. 255:309-316(1998).
CC   -!- FUNCTION: PsaD can form complexes with ferredoxin and ferredoxin-
CC       oxidoreductase in photosystem I (PS I) reaction center.
CC   -!- SIMILARITY: Belongs to the PsaD family. {ECO:0000305}.
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DR   AlphaFoldDB; P56596; -.
DR   SMR; P56596; -.
DR   GO; GO:0009538; C:photosystem I reaction center; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   InterPro; IPR003685; PsaD.
DR   InterPro; IPR036579; PsaD_sf.
DR   PANTHER; PTHR31982; PTHR31982; 1.
DR   Pfam; PF02531; PsaD; 1.
DR   SUPFAM; SSF64234; SSF64234; 1.
PE   1: Evidence at protein level;
KW   Photosynthesis; Photosystem I.
FT   CHAIN           1..138
FT                   /note="Photosystem I reaction center subunit II"
FT                   /id="PRO_0000206052"
SQ   SEQUENCE   138 AA;  15240 MW;  388534772B2347BA CRC64;
     AEQLSGKTPL FAGSTGGLLT KANVEEKYAI TWTSPKAQVF ELPTGGAATM NQGENLLYLA
     RKEQGIALGG QLRKFKITDY KIYRIFPNGE TTFIHPADGV FPEKVNEGRE KVRFVPRRIG
     QNPSPAQLKF SGKYTYDA