ID   PSAJ_THEVB              Reviewed;          41 AA.
AC   P0A429; P25901;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 99.
DE   RecName: Full=Photosystem I reaction center subunit IX;
GN   Name=psaJ; OrderedLocusNames=tsr2412;
OS   Thermosynechococcus vestitus (strain NIES-2133 / IAM M-273 / BP-1).
OC   Bacteria; Cyanobacteria; Pseudanabaenales; Thermosynechococcaceae;
OC   Thermosynechococcus.
OX   NCBI_TaxID=197221;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NIES-2133 / IAM M-273 / BP-1;
RX   PubMed=12240834; DOI=10.1093/dnares/9.4.123;
RA   Nakamura Y., Kaneko T., Sato S., Ikeuchi M., Katoh H., Sasamoto S.,
RA   Watanabe A., Iriguchi M., Kawashima K., Kimura T., Kishida Y., Kiyokawa C.,
RA   Kohara M., Matsumoto M., Matsuno A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takeuchi C., Yamada M., Tabata S.;
RT   "Complete genome structure of the thermophilic cyanobacterium
RT   Thermosynechococcus elongatus BP-1.";
RL   DNA Res. 9:123-130(2002).
RN   [2]
RP   X-RAY CRYSTALLOGRAPHY (4.0 ANGSTROMS).
RX   PubMed=8901876; DOI=10.1038/nsb1196-965;
RA   Krauss N., Schubert W.-D., Klukas O., Fromme P., Witt H.T., Saenger W.;
RT   "Photosystem I at 4-A resolution represents the first structural model of a
RT   joint photosynthetic reaction centre and core antenna system.";
RL   Nat. Struct. Biol. 3:965-973(1996).
RN   [3]
RP   X-RAY CRYSTALLOGRAPHY (2.5 ANGSTROMS).
RX   PubMed=11418848; DOI=10.1038/35082000;
RA   Jordan P., Fromme P., Witt H.T., Klukas O., Saenger W., Krauss N.;
RT   "Three-dimensional structure of cyanobacterial photosystem I at 2.5 A
RT   resolution.";
RL   Nature 411:909-917(2001).
CC   -!- FUNCTION: May help in the organization of the PsaE and PsaF subunits.
CC       {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000250};
CC       Single-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PsaJ family. {ECO:0000305}.
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DR   EMBL; BA000039; BAC09964.1; -; Genomic_DNA.
DR   RefSeq; NP_683202.1; NC_004113.1.
DR   RefSeq; WP_011058244.1; NC_004113.1.
DR   PDB; 1JB0; X-ray; 2.50 A; J=1-41.
DR   PDB; 2PPS; X-ray; 4.00 A; -.
DR   PDB; 3PCQ; X-ray; 8.98 A; J=1-41.
DR   PDB; 4FE1; X-ray; 4.92 A; J=1-41.
DR   PDB; 5ZF0; X-ray; 4.20 A; J1/J2/J3/J4/J5/J6=1-41.
DR   PDB; 6LU1; EM; 3.20 A; J=1-41.
DR   PDB; 6PFY; X-ray; 2.90 A; J/S/f=1-41.
DR   PDB; 6PGK; X-ray; 2.90 A; J/S/f=1-41.
DR   PDB; 6TRA; EM; 2.85 A; J=1-41.
DR   PDB; 6TRC; EM; 2.98 A; 8/J/j=1-41.
DR   PDB; 6TRD; EM; 3.16 A; 8/J/j=1-41.
DR   PDB; 7BW2; X-ray; 6.50 A; J=1-41.
DR   PDB; 7M75; X-ray; 2.75 A; J=1-41.
DR   PDB; 7M76; X-ray; 3.00 A; J=1-41.
DR   PDB; 7M78; X-ray; 3.00 A; J=1-41.
DR   PDBsum; 1JB0; -.
DR   PDBsum; 2PPS; -.
DR   PDBsum; 3PCQ; -.
DR   PDBsum; 4FE1; -.
DR   PDBsum; 5ZF0; -.
DR   PDBsum; 6LU1; -.
DR   PDBsum; 6PFY; -.
DR   PDBsum; 6PGK; -.
DR   PDBsum; 6TRA; -.
DR   PDBsum; 6TRC; -.
DR   PDBsum; 6TRD; -.
DR   PDBsum; 7BW2; -.
DR   PDBsum; 7M75; -.
DR   PDBsum; 7M76; -.
DR   PDBsum; 7M78; -.
DR   AlphaFoldDB; P0A429; -.
DR   SMR; P0A429; -.
DR   IntAct; P0A429; 1.
DR   STRING; 197221.22296140; -.
DR   EnsemblBacteria; BAC09964; BAC09964; BAC09964.
DR   KEGG; tel:tsr2412; -.
DR   PATRIC; fig|197221.4.peg.2535; -.
DR   eggNOG; ENOG5033A5A; Bacteria.
DR   OrthoDB; 2064773at2; -.
DR   EvolutionaryTrace; P0A429; -.
DR   Proteomes; UP000000440; 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   1: Evidence at protein level;
KW   3D-structure; Membrane; Photosynthesis; Photosystem I; Reference proteome;
KW   Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..41
FT                   /note="Photosystem I reaction center subunit IX"
FT                   /id="PRO_0000207824"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   HELIX           2..7
FT                   /evidence="ECO:0007829|PDB:1JB0"
FT   HELIX           11..32
FT                   /evidence="ECO:0007829|PDB:1JB0"
SQ   SEQUENCE   41 AA;  4767 MW;  E1B666819C601786 CRC64;
     MKHFLTYLST APVLAAIWMT ITAGILIEFN RFYPDLLFHP L