ID   YCF4_NASOF              Reviewed;         184 AA.
AC   A4QLU4;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-MAY-2007, sequence version 1.
DT   25-MAY-2022, entry version 43.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Nasturtium officinale (Watercress) (Rorippa nasturtium-aquaticum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Cardamineae; Nasturtium.
OX   NCBI_TaxID=65948;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Hosouchi T., Tsuruoka H., Kotani H.;
RT   "Sequencing analysis of Nasturtium officinale chloroplast DNA.";
RL   Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases.
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; AP009376; BAF50649.1; -; Genomic_DNA.
DR   RefSeq; YP_001123825.1; NC_009275.1.
DR   AlphaFoldDB; A4QLU4; -.
DR   GeneID; 4962204; -.
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_0000326019"
FT   TRANSMEM        22..42
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   184 AA;  21373 MW;  E5BBEC1AC46A6E8D CRC64;
     MSWRSESIWI EFITGSRKTS NFCWAFILFL GSLGFLLVGT SSYLGRNVIS LFPSQQIIFF
     PQGIVMSFYG IAGLFISCYL WCTILWNVGS GYDLFDRKEG IVRIFRWGFP GKSRRIFLRF
     LMKDIQSIRI EVKEGVSARR VLYMEIRGQG AIPLIRTDEN FTTREIEQKA AELAYFLRVP
     IEVF