ID   PSAJ_EUGGR              Reviewed;          37 AA.
AC   P30394;
DT   01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1993, sequence version 1.
DT   25-MAY-2022, entry version 82.
DE   RecName: Full=Photosystem I reaction center subunit IX;
DE   AltName: Full=PSI-J;
GN   Name=psaJ;
OS   Euglena gracilis.
OG   Plastid; Chloroplast.
OC   Eukaryota; Discoba; Euglenozoa; Euglenida; Spirocuta; Euglenophyceae;
OC   Euglenales; Euglenaceae; Euglena.
OX   NCBI_TaxID=3039;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Z / UTEX 753;
RX   PubMed=3141903; DOI=10.1093/nar/16.20.9866;
RA   Manzara T., Hallick R.B.;
RT   "Nucleotide sequence of the Euglena gracilis chloroplast genes for serine
RT   and proline transfer RNAs and a functional open reading frame.";
RL   Nucleic Acids Res. 16:9866-9866(1988).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Z / UTEX 753;
RX   PubMed=8435857; DOI=10.1007/bf00351506;
RA   Drager R.G., Hallick R.B.;
RT   "A novel Euglena gracilis chloroplast operon encoding four ATP synthase
RT   subunits and two ribosomal proteins contains 17 introns.";
RL   Curr. Genet. 23:271-280(1993).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Z / UTEX 753;
RX   PubMed=8346031; DOI=10.1093/nar/21.15.3537;
RA   Hallick R.B., Hong L., Drager R.G., Favreau M.R., Monfort A., Orsat B.,
RA   Spielmann A., Stutz E.;
RT   "Complete sequence of Euglena gracilis chloroplast DNA.";
RL   Nucleic Acids Res. 21:3537-3544(1993).
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; Z11874; CAA77934.1; -; Genomic_DNA.
DR   EMBL; M18672; AAA84231.1; -; Genomic_DNA.
DR   EMBL; X70810; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR   PIR; S03674; S03674.
DR   RefSeq; YP_002720092.1; NC_001603.2.
DR   AlphaFoldDB; P30394; -.
DR   SMR; P30394; -.
DR   GeneID; 807523; -.
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..37
FT                   /note="Photosystem I reaction center subunit IX"
FT                   /id="PRO_0000207789"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   37 AA;  4296 MW;  3071BEAA56307EB1 CRC64;
     MKYFTTYLST APVVAVLWFT LTASLLIEIN RFFPDIL