ID   YCF4_AEGCR              Reviewed;         185 AA.
AC   P62719; P30981; P30982;
DT   16-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   16-AUG-2004, sequence version 1.
DT   25-MAY-2022, entry version 49.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Aegilops crassa (Persian goatgrass) (Triticum crassum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Triticodae; Triticeae; Triticinae; Aegilops.
OX   NCBI_TaxID=4481;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   TISSUE=Seedling;
RX   PubMed=1752425; DOI=10.1093/genetics/129.3.873;
RA   Ogihara Y., Terachi T., Sasakuma T.;
RT   "Molecular analysis of the hot spot region related to length mutations in
RT   wheat chloroplast DNAs. I. Nucleotide divergence of genes and intergenic
RT   spacer regions located in the hot spot region.";
RL   Genetics 129:873-884(1991).
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; X62118; CAA44036.1; -; Genomic_DNA.
DR   PIR; S21986; S21986.
DR   AlphaFoldDB; P62719; -.
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..185
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000217591"
FT   TRANSMEM        21..43
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        63..85
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   185 AA;  21696 MW;  D76FF51A2F5AF5C1 CRC64;
     MNWRSEHIWV ELLKGSRKRG NFFWACILFL GSLGFLSVGI SSYLGKNIIS ILPSQEILFF
     PQGVVMSFYG IAGLFISSYL WCTILWNVGS GYDRFDRKEG IVCIFRWGFP GIKRRVFLRF
     LMRDIQSIRI QVKEGLYPRR ILYMEIRGQG IIPLTRTDDK FFTPREIEQK AAELAYFLRV
     PIEVF