ID   PSAJ_PICMA              Reviewed;          42 AA.
AC   P69394; O64006;
DT   01-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2005, sequence version 1.
DT   25-MAY-2022, entry version 51.
DE   RecName: Full=Photosystem I reaction center subunit IX;
DE   AltName: Full=PSI-J;
GN   Name=psaJ;
OS   Picea mariana (Black spruce) (Abies mariana).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Pinopsida; Pinidae; Conifers I; Pinales; Pinaceae; Picea.
OX   NCBI_TaxID=3335;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   AGRICOLA=IND22025547; DOI=10.1007/s001220051206;
RA   Germano J., Klein A.S.;
RT   "Species-specific nuclear and chloroplast single nucleotide polymorphisms
RT   to distinguish Picea glauca, P. mariana and P. rubens.";
RL   Theor. Appl. Genet. 99:37-49(1999).
CC   -!- FUNCTION: May help in the organization of the PsaE and PsaF subunits.
CC       {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}; Single-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PsaJ family. {ECO:0000305}.
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DR   EMBL; AF061363; AAC35790.1; -; Genomic_DNA.
DR   EMBL; AF133931; AAD21631.1; -; Genomic_DNA.
DR   EMBL; AF133932; AAD21632.1; -; Genomic_DNA.
DR   EMBL; AF133933; AAD21633.1; -; Genomic_DNA.
DR   EMBL; AF133934; AAD21634.1; -; Genomic_DNA.
DR   AlphaFoldDB; P69394; -.
DR   SMR; P69394; -.
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..42
FT                   /note="Photosystem I reaction center subunit IX"
FT                   /id="PRO_0000207808"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   42 AA;  4744 MW;  7693BB86229388A1 CRC64;
     MQDLKTYLST APVLAISSFI FLAGLLIEIN RFFPDALTFA FF