ID   YCF4_HELAN              Reviewed;         184 AA.
AC   Q1KXU8;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2006, sequence version 1.
DT   03-AUG-2022, entry version 47.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Helianthus annuus (Common sunflower).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; campanulids; Asterales; Asteraceae; Asteroideae;
OC   Heliantheae alliance; Heliantheae; Helianthus.
OX   NCBI_TaxID=4232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. HA383;
RA   Timme R.E., Kuehl J.V., Boore J.L., Jansen R.K.;
RT   "A comparison of the first two published chloroplast genomes in Asteraceae:
RT   Lactuca and Helianthus.";
RL   Submitted (JAN-2006) 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; DQ383815; ABD47157.1; -; Genomic_DNA.
DR   RefSeq; YP_588128.1; NC_007977.1.
DR   AlphaFoldDB; Q1KXU8; -.
DR   EnsemblPlants; mRNA:HanXRQr2_Chr02g0061571; CDS:HanXRQr2_Chr02g0061571.1; HanXRQr2_Chr02g0061571.
DR   EnsemblPlants; mRNA:HanXRQr2_Chr11g0496421; CDS:HanXRQr2_Chr11g0496421.1; HanXRQr2_Chr11g0496421.
DR   GeneID; 4055659; -.
DR   Gramene; mRNA:HanXRQr2_Chr02g0061571; CDS:HanXRQr2_Chr02g0061571.1; HanXRQr2_Chr02g0061571.
DR   Gramene; mRNA:HanXRQr2_Chr11g0496421; CDS:HanXRQr2_Chr11g0496421.1; HanXRQr2_Chr11g0496421.
DR   KEGG; han:4055659; -.
DR   OrthoDB; 1340066at2759; -.
DR   PhylomeDB; Q1KXU8; -.
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_0000275657"
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;  21218 MW;  0482EF1339049E6C CRC64;
     MSCRSEHIWI EPIKGARKTS NFCWAIILFL GSLGFLLVGT SSYLGRNLIS LFPSQEIVFF
     PQGIVMSFYG IAGLFISSYL WCTISWNVGS GYDRFDIKDG IVCIFRWGFP GKNRRVFLRF
     LIKDIQSVRI EVKEGIYARR VLYMDIRGQG AIPLTRTDEN FTPREMEQKA AELAYFLRVP
     IEVF