ID   PSAJ_TUPAK              Reviewed;          41 AA.
AC   Q3ZJ70;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   27-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 50.
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   Tupiella akineta (Green alga) (Pseudendoclonium akinetum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; Ulvophyceae; OUU clade;
OC   Ulotrichales; Tupiellaceae; Tupiella.
OX   NCBI_TaxID=160070;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UTEX 1912;
RX   PubMed=15930151; DOI=10.1093/molbev/msi182;
RA   Pombert J.-F., Otis C., Lemieux C., Turmel M.;
RT   "The chloroplast genome sequence of the green alga Pseudendoclonium
RT   akinetum (Ulvophyceae) reveals unusual structural features and new insights
RT   into the branching order of chlorophyte lineages.";
RL   Mol. Biol. Evol. 22:1903-1918(2005).
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; AY835431; AAV80621.1; -; Genomic_DNA.
DR   RefSeq; YP_636197.1; NC_008114.1.
DR   AlphaFoldDB; Q3ZJ70; -.
DR   SMR; Q3ZJ70; -.
DR   GeneID; 4108801; -.
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_0000276073"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00522"
SQ   SEQUENCE   41 AA;  4685 MW;  05344662DFB7C7C2 CRC64;
     MKDFVTYLST APVIALAWMS FTAGLLIEIN RFFPDPLVFT F