ID   PSAF_PEA                Reviewed;          20 AA.
AC   P20119;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1991, sequence version 1.
DT   25-MAY-2022, entry version 68.
DE   RecName: Full=Photosystem I reaction center subunit III;
DE   AltName: Full=Light-harvesting complex I 17 kDa protein;
DE   AltName: Full=PSI-F;
DE   Flags: Fragment;
GN   Name=PSAF;
OS   Pisum sativum (Garden pea).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC   NPAAA clade; Hologalegina; IRL clade; Fabeae; Pisum.
OX   NCBI_TaxID=3888;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=3277857; DOI=10.1016/0014-5793(88)80607-0;
RA   Dunn P.P.J., Packman L.C., Pappin D., Gray J.C.;
RT   "N-terminal amino acid sequence analysis of the subunits of pea photosystem
RT   I.";
RL   FEBS Lett. 228:157-161(1988).
CC   -!- FUNCTION: Probably participates in efficiency of electron transfer from
CC       plastocyanin to P700 (or cytochrome c553 in algae and cyanobacteria).
CC       This plastocyanin-docking protein contributes to the specific
CC       association of plastocyanin to PSI.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid lumen.
CC   -!- SIMILARITY: Belongs to the PsaF family. {ECO:0000305}.
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DR   PIR; S00315; S00315.
DR   AlphaFoldDB; P20119; -.
DR   DIP; DIP-60286N; -.
DR   IntAct; P20119; 1.
DR   GO; GO:0009543; C:chloroplast thylakoid lumen; IEA:UniProtKB-SubCell.
DR   GO; GO:0009522; C:photosystem I; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Chloroplast; Direct protein sequencing; Photosynthesis; Photosystem I;
KW   Plastid; Thylakoid.
FT   CHAIN           1..>20
FT                   /note="Photosystem I reaction center subunit III"
FT                   /id="PRO_0000207750"
FT   REGION          1..20
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   VARIANT         1
FT                   /note="A -> D"
FT   NON_TER         20
SQ   SEQUENCE   20 AA;  2250 MW;  E2C79E760187898C CRC64;
     AISGLTPCKE SKQFAKREKQ