ID   YCF4_NEPOL              Reviewed;         183 AA.
AC   Q9TKZ3;
DT   29-AUG-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2000, sequence version 1.
DT   03-AUG-2022, entry version 64.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
DE            Short=RF4;
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Nephroselmis olivacea (Green alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; Nephroselmidophyceae;
OC   Nephroselmidales; Nephroselmidaceae; Nephroselmis.
OX   NCBI_TaxID=31312;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NIES-484 / S-N-5-8;
RX   PubMed=10468594; DOI=10.1073/pnas.96.18.10248;
RA   Turmel M., Otis C., Lemieux C.;
RT   "The complete chloroplast DNA sequence of the green alga Nephroselmis
RT   olivacea: insights into the architecture of ancestral chloroplast
RT   genomes.";
RL   Proc. Natl. Acad. Sci. U.S.A. 96:10248-10253(1999).
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; AF137379; AAD54823.1; -; Genomic_DNA.
DR   RefSeq; NP_050852.1; NC_000927.1.
DR   AlphaFoldDB; Q9TKZ3; -.
DR   SMR; Q9TKZ3; -.
DR   GeneID; 802016; -.
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..183
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000217614"
FT   TRANSMEM        21..43
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        58..80
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   183 AA;  20637 MW;  6235501C0A92CAFB CRC64;
     MDTTNLVRRD IVIGSRRVSN YWWASVLLLG GSSFLVVGLS SRLGFDLVPF LPAGDIIFIP
     QGLVMCFYGL VGLVVSTYLW LTILWSVGGG YNEFNKQEGV MRIFRWGFPG RDRRIQLTCP
     LQDIEAIRVE LQEGMNPRRT IYVRLKGKRE VPLTRIGQPL TLAEIEKQAA ELAGFLQVSL
     EGF