ID   YCF4_ARATH              Reviewed;         184 AA.
AC   P56788;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2000, sequence version 1.
DT   03-AUG-2022, entry version 106.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437}; OrderedLocusNames=AtCg00520;
OS   Arabidopsis thaliana (Mouse-ear cress).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; malvids; Brassicales; Brassicaceae; Camelineae; Arabidopsis.
OX   NCBI_TaxID=3702;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Columbia;
RX   PubMed=10574454; DOI=10.1093/dnares/6.5.283;
RA   Sato S., Nakamura Y., Kaneko T., Asamizu E., Tabata S.;
RT   "Complete structure of the chloroplast genome of Arabidopsis thaliana.";
RL   DNA Res. 6:283-290(1999).
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; AP000423; BAA84396.1; -; Genomic_DNA.
DR   RefSeq; NP_051070.1; NC_000932.1.
DR   AlphaFoldDB; P56788; -.
DR   STRING; 3702.ATCG00520.1; -.
DR   PaxDb; P56788; -.
DR   PRIDE; P56788; -.
DR   ProteomicsDB; 243259; -.
DR   EnsemblPlants; ATCG00520.1; ATCG00520.1; ATCG00520.
DR   GeneID; 844752; -.
DR   Gramene; ATCG00520.1; ATCG00520.1; ATCG00520.
DR   KEGG; ath:ArthCp033; -.
DR   Araport; ATCG00520; -.
DR   TAIR; locus:504954675; ATCG00520.
DR   eggNOG; ENOG502QWGG; Eukaryota.
DR   HOGENOM; CLU_095465_0_0_1; -.
DR   InParanoid; P56788; -.
DR   OMA; RFSNYWW; -.
DR   OrthoDB; 1340066at2759; -.
DR   PRO; PR:P56788; -.
DR   Proteomes; UP000006548; Chloroplast.
DR   ExpressionAtlas; P56788; baseline and differential.
DR   Genevisible; P56788; AT.
DR   GO; GO:0009507; C:chloroplast; HDA:TAIR.
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:0003729; F:mRNA binding; IDA:TAIR.
DR   GO; GO:0051082; F:unfolded protein binding; TAS:TAIR.
DR   GO; GO:0048564; P:photosystem I assembly; TAS:TAIR.
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..184
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000217596"
FT   TRANSMEM        21..43
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        58..80
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   184 AA;  21407 MW;  EB5BE2F4246A6E87 CRC64;
     MSWRSESIWI EFITGSRKTS NFCWAFILFL GSLGFLLVGT SSYLGRNVIS LFPSQQIIFF
     PQGIVMSFYG IAGLFISCYL WCTILWNVGS GYDLFDRKEG IVRIFRWGFP GKSRRIFLRF
     FMKDIQSIRI EVKEGVSARR VLYMEIRGQG AIPLIRTDEN FTTREIEQKA AELAYFLRVP
     IEVF