ID   PSAX_THEVL              Reviewed;          29 AA.
AC   P23320;
DT   01-NOV-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1991, sequence version 1.
DT   23-FEB-2022, entry version 39.
DE   RecName: Full=Photosystem I 4.8 kDa protein;
DE   Flags: Fragment;
GN   Name=psaX;
OS   Thermostichus vulcanus (Synechococcus vulcanus).
OC   Bacteria; Cyanobacteria; Thermostichales; Thermostichaceae; Thermostichus.
OX   NCBI_TaxID=32053;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=2503399; DOI=10.1016/0014-5793(89)80971-8;
RA   Koike H., Ikeuchi M., Hiyama T., Inoue Y.;
RT   "Identification of photosystem I components from the cyanobacterium,
RT   Synechococcus vulcanus by N-terminal sequencing.";
RL   FEBS Lett. 253:257-263(1989).
CC   -!- SIMILARITY: Belongs to the PsaX family. {ECO:0000305}.
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DR   GO; GO:0009522; C:photosystem I; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   InterPro; IPR012986; PSI_PsaX.
DR   InterPro; IPR036243; PSI_PsaX_sf.
DR   Pfam; PF08078; PsaX; 1.
DR   SUPFAM; SSF81552; SSF81552; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Photosynthesis; Photosystem I.
FT   CHAIN           1..>29
FT                   /note="Photosystem I 4.8 kDa protein"
FT                   /id="PRO_0000207776"
FT   NON_TER         29
SQ   SEQUENCE   29 AA;  3173 MW;  DCF1BBF6418042FF CRC64;
     ATKSAKPTYA FRTFXAVLLL AINFLVAAY