ID   YCF4_GOSBA              Reviewed;         184 AA.
AC   A0ZZ46;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 1.
DT   25-MAY-2022, entry version 38.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Gossypium barbadense (Sea-island cotton) (Egyptian cotton).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Malvales; Malvaceae; Malvoideae; Gossypium.
OX   NCBI_TaxID=3634;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17159292; DOI=10.1266/ggs.81.311;
RA   Ibrahim R.I.H., Azuma J., Sakamoto M.;
RT   "Complete nucleotide sequence of the cotton (Gossypium barbadense L.)
RT   chloroplast genome with a comparative analysis of sequences among 9 dicot
RT   plants.";
RL   Genes Genet. Syst. 81:311-321(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; AP009123; BAF41258.1; -; Genomic_DNA.
DR   RefSeq; YP_913198.1; NC_008641.1.
DR   AlphaFoldDB; A0ZZ46; -.
DR   GeneID; 4575309; -.
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_0000275655"
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;  21466 MW;  0006CCDE879ABE16 CRC64;
     MSWRSESIWI EFIVGSRKTS NFCWAFILFF GSLGFLLVGT SSYLGRNLIS LFPSQQIVFF
     PQGIVMSFYG IAGLFISSYL WCTIFWNVGS GYDRFDRKEG IVCIFRWGFP GKNRRIFLRF
     LMKDIQSIRI EVKEGIYARR VLYMEIRGQG AVPLTRTDEN LTPREIEQKA AELAYFLRVP
     IEVF