ID   PSAG_PEA                Reviewed;          39 AA.
AC   P20120;
DT   01-FEB-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1991, sequence version 1.
DT   25-MAY-2022, entry version 90.
DE   RecName: Full=Photosystem I reaction center subunit V;
DE   AltName: Full=PSI-G;
DE   AltName: Full=Photosystem I 9 kDa protein;
DE   Flags: Fragment;
GN   Name=PSAG;
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: Not yet known.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000305}; Multi-pass membrane protein {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the PsaG/PsaK family. {ECO:0000305}.
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DR   PIR; S00318; S00318.
DR   PDB; 3LW5; X-ray; 3.30 A; G=6-39.
DR   PDB; 4RKU; X-ray; 3.00 A; G=4-39.
DR   PDBsum; 3LW5; -.
DR   PDBsum; 4RKU; -.
DR   AlphaFoldDB; P20120; -.
DR   SMR; P20120; -.
DR   DIP; DIP-60287N; -.
DR   IntAct; P20120; 1.
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; IPR000549; PSI_PsaG/PsaK.
DR   InterPro; IPR023618; PSI_PsaG/PsaK_dom.
DR   InterPro; IPR016370; PSI_PsaG/PsaK_pln.
DR   PANTHER; PTHR34195; PTHR34195; 1.
DR   Pfam; PF01241; PSI_PSAK; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Chloroplast; Direct protein sequencing; Membrane;
KW   Photosynthesis; Photosystem I; Plastid; Thylakoid; Transmembrane.
FT   CHAIN           1..>39
FT                   /note="Photosystem I reaction center subunit V"
FT                   /id="PRO_0000206208"
FT   NON_TER         39
FT   HELIX           5..20
FT                   /evidence="ECO:0007829|PDB:4RKU"
FT   HELIX           24..32
FT                   /evidence="ECO:0007829|PDB:4RKU"
SQ   SEQUENCE   39 AA;  4397 MW;  00EE8A9E219D91A3 CRC64;
     ELNPSLVISL STGLSLFLGR FVFFNFQREN VAKQGLPEQ