ID   YCF4_LOTJA              Reviewed;         200 AA.
AC   Q9BBR9;
DT   29-AUG-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   25-MAY-2022, entry version 60.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Lotus japonicus (Lotus corniculatus var. japonicus).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC   NPAAA clade; Hologalegina; robinioid clade; Loteae; Lotus.
OX   NCBI_TaxID=34305;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=cv. Miyakojima MG-20;
RX   PubMed=11214967; DOI=10.1093/dnares/7.6.323;
RA   Kato T., Kaneko T., Sato S., Nakamura Y., Tabata S.;
RT   "Complete structure of the chloroplast genome of a legume, Lotus
RT   japonicus.";
RL   DNA Res. 7:323-330(2000).
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; AP002983; BAB33207.1; -; Genomic_DNA.
DR   RefSeq; NP_084809.1; NC_002694.1.
DR   AlphaFoldDB; Q9BBR9; -.
DR   GeneID; 802901; -.
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..200
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000217610"
FT   TRANSMEM        28..50
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        76..98
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   200 AA;  22953 MW;  C10E7B596FA29FA8 CRC64;
     MTWISEDTWQ SEEVRVDFVT GCRNPRDFFW AFITLLGSVG FLLVAASSYL HKNFLSFISS
     EFDSELIRFL PQGATITVYG TAGLFVSLFL WLTIFWNVGS GYDLFDKKRG IVCIFRYGFP
     GKNRRIFIRV LINDIQSLII QSKKENKKEG RYLRSGVLYM QTREQGAIPL TAVDDSWNPP
     KIAQKAGDLS KLLRVPIEIF