ID   PSAJ_SYNP6              Reviewed;          41 AA.
AC   Q5N5C7;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   12-DEC-2006, sequence version 2.
DT   25-MAY-2022, entry version 92.
DE   RecName: Full=Photosystem I reaction center subunit IX {ECO:0000255|HAMAP-Rule:MF_00522};
GN   Name=psaJ {ECO:0000255|HAMAP-Rule:MF_00522}; OrderedLocusNames=syc0301_d;
OS   Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis
OS   nidulans).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus.
OX   NCBI_TaxID=269084;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27144 / PCC 6301 / SAUG 1402/1;
RX   PubMed=17211581; DOI=10.1007/s11120-006-9122-4;
RA   Sugita C., Ogata K., Shikata M., Jikuya H., Takano J., Furumichi M.,
RA   Kanehisa M., Omata T., Sugiura M., Sugita M.;
RT   "Complete nucleotide sequence of the freshwater unicellular cyanobacterium
RT   Synechococcus elongatus PCC 6301 chromosome: gene content and
RT   organization.";
RL   Photosyn. Res. 93:55-67(2007).
CC   -!- FUNCTION: May help in the organization of the PsaE and PsaF subunits.
CC       {ECO:0000255|HAMAP-Rule:MF_00522}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00522}; Single-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00522}.
CC   -!- SIMILARITY: Belongs to the PsaJ family. {ECO:0000255|HAMAP-
CC       Rule:MF_00522}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAD78491.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AP008231; BAD78491.1; ALT_INIT; Genomic_DNA.
DR   AlphaFoldDB; Q5N5C7; -.
DR   SMR; Q5N5C7; -.
DR   STRING; 269084.syc0301_d; -.
DR   EnsemblBacteria; BAD78491; BAD78491; syc0301_d.
DR   KEGG; syc:syc0301_d; -.
DR   eggNOG; ENOG5033A5A; Bacteria.
DR   Proteomes; UP000001175; Chromosome.
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:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
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   Membrane; Photosynthesis; Photosystem I; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..41
FT                   /note="Photosystem I reaction center subunit IX"
FT                   /id="PRO_0000268760"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00522"
SQ   SEQUENCE   41 AA;  4710 MW;  EE74E4C17C8A1777 CRC64;
     MDGLKRYLSS APILATIWFA ITAGILIEFN RFFPDLLFHP L