ID   PSAJ_TETOB              Reviewed;          41 AA.
AC   Q1KVW9;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2006, sequence version 1.
DT   25-MAY-2022, entry version 48.
DE   RecName: Full=Photosystem I reaction center subunit IX {ECO:0000255|HAMAP-Rule:MF_00522};
DE   AltName: Full=PSI-J {ECO:0000255|HAMAP-Rule:MF_00522};
GN   Name=psaJ {ECO:0000255|HAMAP-Rule:MF_00522};
OS   Tetradesmus obliquus (Green alga) (Acutodesmus obliquus).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Chlorophyceae;
OC   CS clade; Sphaeropleales; Scenedesmaceae; Tetradesmus.
OX   NCBI_TaxID=3088;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UTEX 393;
RX   PubMed=16638149; DOI=10.1186/1471-2148-6-37;
RA   de Cambiaire J.-C., Otis C., Lemieux C., Turmel M.;
RT   "The complete chloroplast genome sequence of the chlorophycean green alga
RT   Scenedesmus obliquus reveals a compact gene organization and a biased
RT   distribution of genes on the two DNA strands.";
RL   BMC Evol. Biol. 6:37-37(2006).
CC   -!- FUNCTION: May help in the organization of the PsaE and PsaF subunits.
CC       {ECO:0000255|HAMAP-Rule:MF_00522}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00522}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00522}.
CC   -!- SIMILARITY: Belongs to the PsaJ family. {ECO:0000255|HAMAP-
CC       Rule:MF_00522}.
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DR   EMBL; DQ396875; ABD48237.1; -; Genomic_DNA.
DR   RefSeq; YP_635955.1; NC_008101.1.
DR   AlphaFoldDB; Q1KVW9; -.
DR   SMR; Q1KVW9; -.
DR   GeneID; 4099822; -.
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_00522; PSI_PsaJ; 1.
DR   InterPro; IPR002615; PSI_PsaJ.
DR   InterPro; IPR036062; PSI_PsaJ_sf.
DR   PANTHER; PTHR36082; PTHR36082; 1.
DR   Pfam; PF01701; PSI_PsaJ; 1.
DR   SUPFAM; SSF81544; SSF81544; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem I; Plastid; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..41
FT                   /note="Photosystem I reaction center subunit IX"
FT                   /id="PRO_0000276074"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00522"
SQ   SEQUENCE   41 AA;  4639 MW;  9ACF6AC430A92A7A CRC64;
     MKNFTTYLST APVVATGWFI VTAALLIEIN RFFPDPLVFS F