ID   PSAJ_MICAN              Reviewed;          42 AA.
AC   B0JUV4;
DT   25-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 2.
DT   03-AUG-2022, entry version 74.
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=MAE_47300;
OS   Microcystis aeruginosa (strain NIES-843 / IAM M-2473).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC   Microcystaceae; Microcystis.
OX   NCBI_TaxID=449447;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NIES-843 / IAM M-247;
RX   PubMed=18192279; DOI=10.1093/dnares/dsm026;
RA   Kaneko T., Nakajima N., Okamoto S., Suzuki I., Tanabe Y., Tamaoki M.,
RA   Nakamura Y., Kasai F., Watanabe A., Kawashima K., Kishida Y., Ono A.,
RA   Shimizu Y., Takahashi C., Minami C., Fujishiro T., Kohara M., Katoh M.,
RA   Nakazaki N., Nakayama S., Yamada M., Tabata S., Watanabe M.M.;
RT   "Complete genomic structure of the bloom-forming toxic cyanobacterium
RT   Microcystis aeruginosa NIES-843.";
RL   DNA Res. 14:247-256(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=BAG04552.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AP009552; BAG04552.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_002738148.1; NC_010296.1.
DR   AlphaFoldDB; B0JUV4; -.
DR   SMR; B0JUV4; -.
DR   STRING; 449447.MAE_47300; -.
DR   PaxDb; B0JUV4; -.
DR   EnsemblBacteria; BAG04552; BAG04552; MAE_47300.
DR   GeneID; 66705527; -.
DR   KEGG; mar:MAE_47300; -.
DR   eggNOG; ENOG5033A5A; Bacteria.
DR   HOGENOM; CLU_212133_0_0_3; -.
DR   OrthoDB; 2064773at2; -.
DR   Proteomes; UP000001510; 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   Pfam; PF01701; PSI_PsaJ; 1.
DR   SUPFAM; SSF81544; SSF81544; 1.
PE   3: Inferred from homology;
KW   Membrane; Photosynthesis; Photosystem I; Reference proteome; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..42
FT                   /note="Photosystem I reaction center subunit IX"
FT                   /id="PRO_0000354114"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00522"
SQ   SEQUENCE   42 AA;  4699 MW;  50B4A1F3668BF72F CRC64;
     MEGLTKFLSS APVLIMALLT FTAGILIEFN RFYPDLLFHP LG