ID   YCF4_SACOF              Reviewed;         185 AA.
AC   Q6ENV3;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   16-AUG-2004, sequence version 1.
DT   25-MAY-2022, entry version 56.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Saccharum officinarum (Sugarcane).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC   Panicoideae; Andropogonodae; Andropogoneae; Saccharinae; Saccharum;
OC   Saccharum officinarum complex.
OX   NCBI_TaxID=4547;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=15449542; DOI=10.1093/dnares/11.2.93;
RA   Asano T., Tsudzuki T., Takahashi S., Shimada H., Kadowaki K.;
RT   "Complete nucleotide sequence of the sugarcane (Saccharum officinarum)
RT   chloroplast genome: a comparative analysis of four monocot chloroplast
RT   genomes.";
RL   DNA Res. 11:93-99(2004).
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; AP006714; BAD27303.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q6ENV3; -.
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..185
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000217627"
FT   TRANSMEM        20..40
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"
SQ   SEQUENCE   185 AA;  21609 MW;  930252790C1E68DD CRC64;
     MNWRSEHIWI ELLKGSRKRG NFFWACILFL GSLGFLAVGA SSYLGKNMIS VLPSQQILFF
     PQGVVMSFYG IAGLFISSYL WCTILWNVGS GYDRFDRKEG IVCIFRWGFP GIKRRIFLQF
     LVRDIQSIRI QVKEGLYPRR ILYMEIRGQG VIPLTRTDEK FFTPREIEQK AAELAYFLRV
     PIEVF