ID   PSAJ_CYAM1              Reviewed;          38 AA.
AC   Q85FS8;
DT   25-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 83.
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   Cyanidioschyzon merolae (strain NIES-3377 / 10D) (Unicellular red alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Cyanidiales; Cyanidiaceae;
OC   Cyanidioschyzon.
OX   NCBI_TaxID=280699;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NIES-3377 / 10D;
RX   PubMed=12755171; DOI=10.1093/dnares/10.2.67;
RA   Ohta N., Matsuzaki M., Misumi O., Miyagishima S.-Y., Nozaki H., Tanaka K.,
RA   Shin-i T., Kohara Y., Kuroiwa T.;
RT   "Complete sequence and analysis of the plastid genome of the unicellular
RT   red alga Cyanidioschyzon merolae.";
RL   DNA Res. 10:67-77(2003).
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; AB002583; BAC76267.1; -; Genomic_DNA.
DR   RefSeq; NP_849105.1; NC_004799.1.
DR   PDB; 5ZGB; EM; 3.63 A; J=1-38.
DR   PDB; 5ZGH; EM; 3.82 A; J=1-38.
DR   PDB; 6FOS; X-ray; 4.00 A; J=1-38.
DR   PDBsum; 5ZGB; -.
DR   PDBsum; 5ZGH; -.
DR   PDBsum; 6FOS; -.
DR   AlphaFoldDB; Q85FS8; -.
DR   SMR; Q85FS8; -.
DR   STRING; 45157.CMV202CT; -.
DR   EnsemblPlants; CMV202CT; CMV202CT; CMV202C.
DR   GeneID; 844942; -.
DR   Gramene; CMV202CT; CMV202CT; CMV202C.
DR   KEGG; cme:CymeCp173; -.
DR   HOGENOM; CLU_212133_1_1_1; -.
DR   Proteomes; UP000007014; 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_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   1: Evidence at protein level;
KW   3D-structure; Chloroplast; Membrane; Photosynthesis; Photosystem I;
KW   Plastid; Reference proteome; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..38
FT                   /note="Photosystem I reaction center subunit IX"
FT                   /id="PRO_0000354174"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00522"
SQ   SEQUENCE   38 AA;  4407 MW;  4AD58FA6E9B2A6A5 CRC64;
     MNLKKYLSTA PVVATLWLFL TAGILIELNR FFPDSLFY