ID   PSAD_SKECO              Reviewed;         139 AA.
AC   O96800;
DT   01-JUN-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1999, sequence version 1.
DT   03-AUG-2022, entry version 63.
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   Skeletonema costatum (Marine centric diatom) (Melosira costata).
OG   Plastid; Chloroplast.
OC   Eukaryota; Sar; Stramenopiles; Ochrophyta; Bacillariophyta;
OC   Coscinodiscophyceae; Thalassiosirophycidae; Thalassiosirales;
OC   Skeletonemataceae; Skeletonema.
OX   NCBI_TaxID=2843;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=NIES-323 / Sk-85w;
RX   PubMed=10727090; DOI=10.3109/10425179909033962;
RA   Tada N., Shibata S., Otsuka S., Namba K., Oyaizu H.;
RT   "Comparison of gene arrangements of chloroplasts between two centric
RT   diatoms, Skeletonema costatum and Odontella sinensis.";
RL   DNA Seq. 10:343-347(1999).
CC   -!- FUNCTION: PsaD can form complexes with ferredoxin and ferredoxin-
CC       oxidoreductase in photosystem I (PS I) reaction center.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}; Peripheral membrane protein {ECO:0000250}; Stromal side
CC       {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PsaD family. {ECO:0000305}.
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DR   EMBL; AJ132263; CAA10621.1; -; Genomic_DNA.
DR   AlphaFoldDB; O96800; -.
DR   SMR; O96800; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
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   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem I; Plastid; Thylakoid.
FT   CHAIN           1..139
FT                   /note="Photosystem I reaction center subunit II"
FT                   /id="PRO_0000206047"
SQ   SEQUENCE   139 AA;  15504 MW;  AFD7319C87EBC265 CRC64;
     MTLNLKTPFP TFGGSTGGWL RAAEVEEKYA ITWTSAKEQI FEMPTGGSAI MRNGENLLYL
     ARKEQCLALS TQLRTFKIND YKIYRIFPSG EVQYLHPKDG VFPEKVNPGR TSVNSRGFSI
     GKNPNPASIK FSGITTYES