ID   YCF4_AMBTC              Reviewed;         235 AA.
AC   Q70XZ2;
DT   16-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 57.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Amborella trichopoda.
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Amborellales; Amborellaceae; Amborella.
OX   NCBI_TaxID=13333;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=12832641; DOI=10.1093/molbev/msg159;
RA   Goremykin V.V., Hirsch-Ernst K.I., Wolfl S., Hellwig F.H.;
RT   "Analysis of the Amborella trichopoda chloroplast genome sequence suggests
RT   that Amborella is not a basal angiosperm.";
RL   Mol. Biol. Evol. 20:1499-1505(2003).
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; AJ506156; CAD45118.1; -; Genomic_DNA.
DR   RefSeq; NP_904110.1; NC_005086.1.
DR   AlphaFoldDB; Q70XZ2; -.
DR   STRING; 13333.ERN00647; -.
DR   EnsemblPlants; ERN00647; ERN00647; AMTR_s02490p00007250.
DR   GeneID; 2546510; -.
DR   Gramene; ERN00647; ERN00647; AMTR_s02490p00007250.
DR   KEGG; atr:2546510; -.
DR   OrthoDB; 1340066at2759; -.
DR   Proteomes; UP000017836; 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..235
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000217594"
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   235 AA;  27458 MW;  C06B0D53DF45E6A2 CRC64;
     MNWRSERIWI ELITGSRKTS NLCWACILFL GSLGFLLVGT SSYLGRNLIS LFPSQQILFF
     PQGIVMSFYG IAGLFISSYL WCTILWNVGS GYDRFDRKEG IVCIFRWGFP GRNRRIFFRF
     LMRDIRSIRM EVKEGIYPRR VLSIEIRSQG SIPLTRTDEN FTPREIEQKA AELAYFLRVP
     IEVFRTKEWI LSRHGVGNPR ILFNTTDLSS EQLLIRSKHV SVRSYFRSLL FPVCG