ID   PSAD_GUITH              Reviewed;         141 AA.
AC   O78502;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1998, sequence version 1.
DT   25-MAY-2022, entry version 85.
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   Guillardia theta (Cryptophyte) (Cryptomonas phi).
OG   Plastid; Chloroplast.
OC   Eukaryota; Cryptophyceae; Pyrenomonadales; Geminigeraceae; Guillardia.
OX   NCBI_TaxID=55529;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=9929392; DOI=10.1007/pl00006462;
RA   Douglas S.E., Penny S.L.;
RT   "The plastid genome of the cryptophyte alga, Guillardia theta: complete
RT   sequence and conserved synteny groups confirm its common ancestry with red
RT   algae.";
RL   J. Mol. Evol. 48:236-244(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; AF041468; AAC35693.1; -; Genomic_DNA.
DR   RefSeq; NP_050759.1; NC_000926.1.
DR   AlphaFoldDB; O78502; -.
DR   SMR; O78502; -.
DR   GeneID; 857065; -.
DR   HOGENOM; CLU_150527_0_0_1; -.
DR   OMA; HNPRRIG; -.
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..141
FT                   /note="Photosystem I reaction center subunit II"
FT                   /id="PRO_0000206044"
SQ   SEQUENCE   141 AA;  15687 MW;  5ADED5DB37DBC89E CRC64;
     MSETLNLQIP SPTFEGSTGG WLRAAETEEK YAITWTSPKE QVFEMPTGGA AIMRKGENLL
     YLARKEQCLA LGTQVKTSFK ITDYKIYRIF PSGEVQYLHP KDGVFPEKVN PGRIGVGNVS
     HSIGKNLNPA QIKFTNKSFC D