ID   YCF4_AEGTA              Reviewed;         185 AA.
AC   P25412;
DT   01-MAY-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1992, sequence version 1.
DT   25-MAY-2022, entry version 69.
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 tauschii (Tausch's goatgrass) (Aegilops squarrosa).
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=37682;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=cv. Typica; 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; X62119; CAA44040.1; -; Genomic_DNA.
DR   PIR; S17321; S17321.
DR   AlphaFoldDB; P25412; -.
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_0000217593"
FT   TRANSMEM        21..43
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        68..90
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   185 AA;  21743 MW;  C67D39C3959C3F7C CRC64;
     MNWRSEHIWV ELLKGSRKRG NFFWACILFL GSLGFLSVGI SSYLGKNIIS ILPSQEILFF
     PQGVVMSFYG IAGLFISSYL CCTILWNVGS DYDRFDRKEG IVCIFRWEFP GIKRRVFLRF
     LMRDIQSIRI QVKEGLYPRR ILYMEIRGQG IIPLTRTDDQ FFTPREIEQK AAELAYFLRV
     PIEVF