ID   PSAI_OSTTA              Reviewed;          36 AA.
AC   Q0P3K0;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   19-SEP-2006, sequence version 1.
DT   25-MAY-2022, entry version 61.
DE   RecName: Full=Photosystem I reaction center subunit VIII {ECO:0000255|HAMAP-Rule:MF_00431};
DE            Short=PSI-I {ECO:0000255|HAMAP-Rule:MF_00431};
GN   Name=psaI {ECO:0000255|HAMAP-Rule:MF_00431}; OrderedLocusNames=OtCpg00520;
OS   Ostreococcus tauri.
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; Mamiellophyceae; Mamiellales;
OC   Bathycoccaceae; Ostreococcus.
OX   NCBI_TaxID=70448;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=OTTH0595;
RX   PubMed=17251180; DOI=10.1093/molbev/msm012;
RA   Robbens S., Derelle E., Ferraz C., Wuyts J., Moreau H., Van de Peer Y.;
RT   "The complete chloroplast and mitochondrial DNA sequence of Ostreococcus
RT   tauri: organelle genomes of the smallest eukaryote are examples of
RT   compaction.";
RL   Mol. Biol. Evol. 24:956-968(2007).
CC   -!- FUNCTION: May help in the organization of the PsaL subunit.
CC       {ECO:0000255|HAMAP-Rule:MF_00431}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00431}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00431}.
CC   -!- SIMILARITY: Belongs to the PsaI family. {ECO:0000255|HAMAP-
CC       Rule:MF_00431}.
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DR   EMBL; CR954199; CAL36377.1; -; Genomic_DNA.
DR   RefSeq; YP_717255.1; NC_008289.1.
DR   AlphaFoldDB; Q0P3K0; -.
DR   SMR; Q0P3K0; -.
DR   STRING; 70448.Q0P3K0; -.
DR   GeneID; 4238876; -.
DR   KEGG; ota:OstapCp52; -.
DR   InParanoid; Q0P3K0; -.
DR   OrthoDB; 1645570at2759; -.
DR   Proteomes; UP000009170; Chloroplast.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0009522; C:photosystem I; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00431; PSI_PsaI; 1.
DR   InterPro; IPR001302; PSI_PsaI.
DR   InterPro; IPR036357; PSI_PsaI_sf.
DR   PANTHER; PTHR35775; PTHR35775; 1.
DR   Pfam; PF00796; PSI_8; 1.
DR   SUPFAM; SSF81540; SSF81540; 1.
DR   TIGRFAMs; TIGR03052; PS_I_psaI; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem I; Plastid;
KW   Reference proteome; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..36
FT                   /note="Photosystem I reaction center subunit VIII"
FT                   /id="PRO_0000276031"
FT   TRANSMEM        9..29
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00431"
SQ   SEQUENCE   36 AA;  3853 MW;  85AC26FD0858544F CRC64;
     MAASLLPSIF VPLVGLVFPA VAMASLFLYI EKEQVS