ID   YCF4_MAIZE              Reviewed;         185 AA.
AC   P46642;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   25-MAY-2022, entry version 87.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Zea mays (Maize).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC   Panicoideae; Andropogonodae; Andropogoneae; Tripsacinae; Zea.
OX   NCBI_TaxID=4577;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. B73;
RX   PubMed=7666415; DOI=10.1006/jmbi.1995.0460;
RA   Maier R.M., Neckermann K., Igloi G.L., Koessel H.;
RT   "Complete sequence of the maize chloroplast genome: gene content, hotspots
RT   of divergence and fine tuning of genetic information by transcript
RT   editing.";
RL   J. Mol. Biol. 251:614-628(1995).
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; X86563; CAA60296.1; -; Genomic_DNA.
DR   PIR; S58562; S58562.
DR   RefSeq; NP_043035.1; NC_001666.2.
DR   AlphaFoldDB; P46642; -.
DR   STRING; 4577.GRMZM2G427531_P01; -.
DR   PaxDb; P46642; -.
DR   GeneID; 1466362; -.
DR   KEGG; zma:1466362; -.
DR   MaizeGDB; 118233; -.
DR   eggNOG; ENOG502QWGG; Eukaryota.
DR   OrthoDB; 1340066at2759; -.
DR   Proteomes; UP000007305; Chloroplast.
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; Reference proteome;
KW   Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..185
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000217611"
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;  21609 MW;  930252790C1E68DD CRC64;
     MNWRSEHIWI ELLKGSRKRG NFFWACILFL GSLGFLAVGA SSYLGKNMIS VLPSQQILFF
     PQGVVMSFYG IAGLFISSYL WCTILWNVGS GYDRFDRKEG IVCIFRWGFP GIKRRIFLQF
     LVRDIQSIRI QVKEGLYPRR ILYMEIRGQG VIPLTRTDEK FFTPREIEQK AAELAYFLRV
     PIEVF