ID   PSAK_CUCSA              Reviewed;          33 AA.
AC   P42051;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   25-MAY-2022, entry version 72.
DE   RecName: Full=Photosystem I reaction center subunit psaK, chloroplastic;
DE   AltName: Full=PS I subunit 12;
DE   AltName: Full=PSI-K;
DE   AltName: Full=Photosystem I 4.5 kDa protein;
DE   AltName: Full=Photosystem I subunit X;
DE   Flags: Fragment;
GN   Name=PSAK;
OS   Cucumis sativus (Cucumber).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Cucurbitales; Cucurbitaceae; Benincaseae; Cucumis.
OX   NCBI_TaxID=3659;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   TISSUE=Cotyledon;
RX   PubMed=1883835; DOI=10.1016/s0005-2728(05)80198-7;
RA   Iwasaki Y., Ishikawa H., Hibino T., Takabe T.;
RT   "Characterization of genes that encode subunits of cucumber PS I complex by
RT   N-terminal sequencing.";
RL   Biochim. Biophys. Acta 1059:141-148(1991).
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}; Multi-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PsaG/PsaK family. {ECO:0000305}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   PIR; A56819; A56819.
DR   AlphaFoldDB; P42051; -.
DR   SMR; P42051; -.
DR   STRING; 3659.XP_004134641.1; -.
DR   eggNOG; ENOG502RZHF; Eukaryota.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
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:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.286.40; -; 1.
DR   InterPro; IPR023618; PSI_PsaG/PsaK_dom.
DR   InterPro; IPR016370; PSI_PsaG/PsaK_pln.
DR   PANTHER; PTHR34195; PTHR34195; 1.
PE   1: Evidence at protein level;
KW   Chloroplast; Direct protein sequencing; Membrane; Photosynthesis;
KW   Photosystem I; Plastid; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..>33
FT                   /note="Photosystem I reaction center subunit psaK,
FT                   chloroplastic"
FT                   /id="PRO_0000206209"
FT   TRANSMEM        3..23
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   NON_TER         33
SQ   SEQUENCE   33 AA;  3586 MW;  9AE443E6F189E3C0 CRC64;
     WDYIGSPTNV IMVISTSLML FAGRFGLAPS ANR