ID   PSAJ_ARATH              Reviewed;          44 AA.
AC   P56769;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2000, sequence version 1.
DT   03-AUG-2022, entry version 117.
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}; OrderedLocusNames=AtCg00630;
OS   Arabidopsis thaliana (Mouse-ear cress).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis.
OX   NCBI_TaxID=3702;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Columbia;
RX   PubMed=10574454; DOI=10.1093/dnares/6.5.283;
RA   Sato S., Nakamura Y., Kaneko T., Asamizu E., Tabata S.;
RT   "Complete structure of the chloroplast genome of Arabidopsis thaliana.";
RL   DNA Res. 6:283-290(1999).
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; AP000423; BAA84405.1; -; Genomic_DNA.
DR   RefSeq; NP_051079.1; NC_000932.1.
DR   PDB; 7WFD; EM; 3.25 A; AJ=1-44.
DR   PDB; 7WFE; EM; 3.25 A; BJ=1-44.
DR   PDB; 7WG5; EM; 3.89 A; AJ/BJ=1-44.
DR   PDBsum; 7WFD; -.
DR   PDBsum; 7WFE; -.
DR   PDBsum; 7WG5; -.
DR   AlphaFoldDB; P56769; -.
DR   SMR; P56769; -.
DR   STRING; 3702.ATCG00630.1; -.
DR   TCDB; 5.B.4.1.1; the plant photosystem i supercomplex (psi) family.
DR   PaxDb; P56769; -.
DR   EnsemblPlants; ATCG00630.1; ATCG00630.1; ATCG00630.
DR   GeneID; 844738; -.
DR   Gramene; ATCG00630.1; ATCG00630.1; ATCG00630.
DR   KEGG; ath:ArthCp042; -.
DR   Araport; ATCG00630; -.
DR   TAIR; locus:504954686; ATCG00630.
DR   eggNOG; ENOG502S79R; Eukaryota.
DR   HOGENOM; CLU_212133_1_1_1; -.
DR   InParanoid; P56769; -.
DR   OrthoDB; 1629095at2759; -.
DR   PRO; PR:P56769; -.
DR   Proteomes; UP000006548; Chloroplast.
DR   ExpressionAtlas; P56769; baseline and differential.
DR   Genevisible; P56769; AT.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; HDA:TAIR.
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..44
FT                   /note="Photosystem I reaction center subunit IX"
FT                   /id="PRO_0000207782"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00522"
SQ   SEQUENCE   44 AA;  5009 MW;  B31FFC68FAE6CEBA CRC64;
     MRDLKTYLSV APVLSTLWFG SLAGLLIEIN RLFPDALTFP FFSF