ID   YCF4_PINKO              Reviewed;         184 AA.
AC   P62721; A4QM35;
DT   16-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   16-AUG-2004, sequence version 1.
DT   25-MAY-2022, entry version 54.
DE   RecName: Full=Photosystem I assembly protein Ycf4;
GN   Name=ycf4;
OS   Pinus koraiensis (Korean pine).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Pinopsida; Pinidae; Conifers I; Pinales; Pinaceae; Pinus;
OC   Pinus subgen. Strobus.
OX   NCBI_TaxID=88728;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KangWon16;
RA   Noh E.W., Lee J.S., Choi Y.I., Han M.S., Yi Y.S., Han S.U.;
RT   "Complete nucleotide sequence of Pinus koraiensis.";
RL   Submitted (FEB-2003) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Seems to be required for the assembly of the photosystem I
CC       complex. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000250}; Multi-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the Ycf4 family. {ECO:0000305}.
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DR   EMBL; AY228468; ABP35363.1; -; Genomic_DNA.
DR   RefSeq; YP_001152117.1; NC_004677.2.
DR   AlphaFoldDB; P62721; -.
DR   GeneID; 5048523; -.
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_0000217622"
FT   TRANSMEM        21..43
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        58..78
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   184 AA;  21318 MW;  716B67562702C575 CRC64;
     MNRRSKWLWI EPITGSRKRS NFFWACILFL GSLGFFLVGI SSYFGENLIP LLSSQQILFV
     PQGIVMCFYG IAGLFISSYL WCTILFNVGS GYNKFDKKKG IVCLFRWGFP GINRRIFSRF
     LMKDIQMIKT EIQEGISPRR VLYMEIKGRQ DIPLTRTGDN VNLREIEQKA AESARFLRVS
     IEGF