ID   PSAI_CUCSA              Reviewed;          37 AA.
AC   Q4VZI2; A5J1U4;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2005, sequence version 1.
DT   25-MAY-2022, entry version 59.
DE   RecName: Full=Photosystem I reaction center subunit VIII {ECO:0000255|HAMAP-Rule:MF_00431};
DE            Short=PSI-I {ECO:0000255|HAMAP-Rule:MF_00431};
GN   Name=psaI {ECO:0000255|HAMAP-Rule:MF_00431}; OrderedLocusNames=CsCp050;
OS   Cucumis sativus (Cucumber).
OG   Plastid; Chloroplast.
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   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Baekmibaekdadagi;
RX   PubMed=16362300; DOI=10.1007/s00299-005-0097-y;
RA   Kim J.-S., Jung J.D., Lee J.-A., Park H.-W., Oh K.-H., Jeong W.J.,
RA   Choi D.-W., Liu J.R., Cho K.Y.;
RT   "Complete sequence and organization of the cucumber (Cucumis sativus L. cv.
RT   Baekmibaekdadagi) chloroplast genome.";
RL   Plant Cell Rep. 25:334-340(2006).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Borszczagowski;
RX   PubMed=17607527; DOI=10.2478/s11658-007-0029-7;
RA   Plader W.W., Yukawa Y., Sugiura M., Malepszy S.;
RT   "The complete structure of the cucumber (Cucumis sativus L.) chloroplast
RT   genome: its composition and comparative analysis.";
RL   Cell. Mol. Biol. Lett. 12:584-594(2007).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Chipper, and cv. Gy14;
RX   PubMed=17546086; DOI=10.1139/g07-003;
RA   Chung S.-M., Gordon V.S., Staub J.E.;
RT   "Sequencing cucumber (Cucumis sativus L.) chloroplast genomes identifies
RT   differences between chilling-tolerant and -susceptible cucumber lines.";
RL   Genome 50:215-225(2007).
CC   -!- FUNCTION: May help in the organization of the PsaL subunit.
CC       {ECO:0000255|HAMAP-Rule:MF_00431}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00431}; Single-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00431}.
CC   -!- SIMILARITY: Belongs to the PsaI family. {ECO:0000255|HAMAP-
CC       Rule:MF_00431}.
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DR   EMBL; DQ119058; AAZ94661.1; -; Genomic_DNA.
DR   EMBL; AJ970307; CAJ00768.1; -; Genomic_DNA.
DR   EMBL; DQ865975; ABI97427.1; -; Genomic_DNA.
DR   EMBL; DQ865976; ABI98755.1; -; Genomic_DNA.
DR   RefSeq; YP_247609.1; NC_007144.1.
DR   AlphaFoldDB; Q4VZI2; -.
DR   SMR; Q4VZI2; -.
DR   GeneID; 3429273; -.
DR   KEGG; csv:3429273; -.
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-UniRule.
DR   HAMAP; MF_00431; PSI_PsaI; 1.
DR   InterPro; IPR001302; PSI_PsaI.
DR   InterPro; IPR036357; PSI_PsaI_sf.
DR   PANTHER; PTHR35775; PTHR35775; 1.
DR   Pfam; PF00796; PSI_8; 1.
DR   SUPFAM; SSF81540; SSF81540; 1.
DR   TIGRFAMs; TIGR03052; PS_I_psaI; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Photosystem I; Plastid; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..37
FT                   /note="Photosystem I reaction center subunit VIII"
FT                   /id="PRO_0000276017"
FT   TRANSMEM        9..29
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00431"
SQ   SEQUENCE   37 AA;  4060 MW;  5D3B240751C8BF34 CRC64;
     MTTLTTLPSI FVPLVGLVFP AIAMASLFLH VQKNKIF