ID   PSAJ_ACAM1              Reviewed;          51 AA.
AC   B0C7S6;
DT   25-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT   26-FEB-2008, sequence version 1.
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=AM1_1439;
OS   Acaryochloris marina (strain MBIC 11017).
OC   Bacteria; Cyanobacteria; Synechococcales; Acaryochloridaceae;
OC   Acaryochloris.
OX   NCBI_TaxID=329726;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MBIC 11017;
RX   PubMed=18252824; DOI=10.1073/pnas.0709772105;
RA   Swingley W.D., Chen M., Cheung P.C., Conrad A.L., Dejesa L.C., Hao J.,
RA   Honchak B.M., Karbach L.E., Kurdoglu A., Lahiri S., Mastrian S.D.,
RA   Miyashita H., Page L., Ramakrishna P., Satoh S., Sattley W.M., Shimada Y.,
RA   Taylor H.L., Tomo T., Tsuchiya T., Wang Z.T., Raymond J., Mimuro M.,
RA   Blankenship R.E., Touchman J.W.;
RT   "Niche adaptation and genome expansion in the chlorophyll d-producing
RT   cyanobacterium Acaryochloris marina.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:2005-2010(2008).
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}.
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DR   EMBL; CP000828; ABW26467.1; -; Genomic_DNA.
DR   RefSeq; WP_012161998.1; NC_009925.1.
DR   PDB; 7COY; EM; 2.50 A; aJ/bJ/cJ=1-51.
DR   PDB; 7DWQ; EM; 3.30 A; J=1-51.
DR   PDBsum; 7COY; -.
DR   PDBsum; 7DWQ; -.
DR   AlphaFoldDB; B0C7S6; -.
DR   SMR; B0C7S6; -.
DR   STRING; 329726.AM1_1439; -.
DR   TCDB; 5.B.4.1.2; the plant photosystem i supercomplex (psi) family.
DR   EnsemblBacteria; ABW26467; ABW26467; AM1_1439.
DR   KEGG; amr:AM1_1439; -.
DR   HOGENOM; CLU_212133_1_0_3; -.
DR   OMA; RRTQMEG; -.
DR   OrthoDB; 2064773at2; -.
DR   Proteomes; UP000000268; 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   1: Evidence at protein level;
KW   3D-structure; Membrane; Photosynthesis; Photosystem I; Reference proteome;
KW   Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..51
FT                   /note="Photosystem I reaction center subunit IX"
FT                   /id="PRO_0000354113"
FT   TRANSMEM        17..37
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00522"
FT   HELIX           22..40
FT                   /evidence="ECO:0007829|PDB:7DWQ"
SQ   SEQUENCE   51 AA;  5897 MW;  348DC801669BF266 CRC64;
     MGDVPLKIDS EKDFMKFFST APVIALVFFT LTAGFLVELN RFFPDILFFP Y