ID   YCF4_CUCSA              Reviewed;         184 AA.
AC   Q2QD78; A5J1U5; Q4VZI1;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   24-JAN-2006, sequence version 1.
DT   25-MAY-2022, entry version 53.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437}; OrderedLocusNames=CsCp051;
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: Seems to be required for the assembly of the photosystem I
CC       complex. {ECO:0000255|HAMAP-Rule:MF_00437}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00437}; Multi-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00437}.
CC   -!- SIMILARITY: Belongs to the Ycf4 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00437}.
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DR   EMBL; DQ119058; AAZ94662.1; -; Genomic_DNA.
DR   EMBL; AJ970307; CAJ00769.1; -; Genomic_DNA.
DR   EMBL; DQ865975; ABI97428.1; -; Genomic_DNA.
DR   EMBL; DQ865976; ABI98756.1; -; Genomic_DNA.
DR   RefSeq; YP_247610.1; NC_007144.1.
DR   AlphaFoldDB; Q2QD78; -.
DR   STRING; 3659.XP_004174015.1; -.
DR   GeneID; 3429361; -.
DR   KEGG; csv:3429361; -.
DR   eggNOG; ENOG502QWGG; 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:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00437; Ycf4; 1.
DR   InterPro; IPR003359; PSI_Ycf4_assembly.
DR   Pfam; PF02392; Ycf4; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Plastid; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..184
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000275651"
FT   TRANSMEM        19..39
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        57..77
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   CONFLICT        2..11
FT                   /note="NWRSERIWIE -> TLAIRTYMIG (in Ref. 2; CAJ00769)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        50
FT                   /note="S -> P (in Ref. 2; CAJ00769)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        82
FT                   /note="C -> G (in Ref. 2; CAJ00769)"
FT                   /evidence="ECO:0000305"
SQ   SEQUENCE   184 AA;  21647 MW;  073BA6F3E0DC12F9 CRC64;
     MNWRSERIWI EFLRGSRKIS NFCWAFILFL GSLGFLLVGT SSYLGRDLIS LFPSQQIIFF
     PQGIVMSFYG IAGLFISSYL WCTILWNVGS GYDRFDRKEE IVSIFRWGFP GKNRRIFLRF
     LMKDIQSIRI EVKEGIYARR VLYMEIRGQG AIPLTRTDQN LTPREIEQKA AELAYFLRVP
     IEVF