ID   YCF4_CHAVU              Reviewed;         187 AA.
AC   Q1ACJ2;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   11-JUL-2006, sequence version 1.
DT   25-MAY-2022, entry version 37.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Chara vulgaris (Common stonewort).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Charophyceae; Charales; Characeae;
OC   Chara.
OX   NCBI_TaxID=55564;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16611644; DOI=10.1093/molbev/msk018;
RA   Turmel M., Otis C., Lemieux C.;
RT   "The chloroplast genome sequence of Chara vulgaris sheds new light into the
RT   closest green algal relatives of land plants.";
RL   Mol. Biol. Evol. 23:1324-1338(2006).
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; DQ229107; ABA61896.1; -; Genomic_DNA.
DR   RefSeq; YP_635755.1; NC_008097.1.
DR   AlphaFoldDB; Q1ACJ2; -.
DR   GeneID; 4100245; -.
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..187
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000275648"
FT   TRANSMEM        23..43
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        70..90
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   187 AA;  21664 MW;  4FCC170789F2D0E3 CRC64;
     MKIKPCKSQV FRLEPIIGSR KYINYFWSFS IFFGAFGFLI VGICSYLKKE LFFFSAENII
     FIPQGAVMCF YGIAGIFLSF YLWFTMILGV GSGFNEFNKN EGIVNIFRWG FPGQNRRIKI
     CCLIKDIKSI RIYIRDGISP RSALYLKIRG MPDIPLDVIE DRFNLNEIEK RATELASFLR
     VPIEGLE