ID   YCF4_PLETE              Reviewed;         312 AA.
AC   A6YG74;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   21-AUG-2007, sequence version 1.
DT   25-MAY-2022, entry version 44.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Pleurastrum terricola (Filamentous green alga) (Leptosira terrestris).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Chlorophyceae;
OC   CS clade; Chlamydomonadales; Pleurastraceae; Pleurastrum.
OX   NCBI_TaxID=34116;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCAP 463/2 / UTEX 333;
RX   PubMed=17610731; DOI=10.1186/1471-2164-8-213;
RA   de Cambiaire J.-C., Otis C., Turmel M., Lemieux C.;
RT   "The chloroplast genome sequence of the green alga Leptosira terrestris:
RT   multiple losses of the inverted repeat and extensive genome rearrangements
RT   within the Trebouxiophyceae.";
RL   BMC Genomics 8:213-213(2007).
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; EF506945; ABO69295.1; -; Genomic_DNA.
DR   RefSeq; YP_001382151.1; NC_009681.1.
DR   AlphaFoldDB; A6YG74; -.
DR   SMR; A6YG74; -.
DR   GeneID; 5383798; -.
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; 2.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Plastid; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..312
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000326015"
FT   TRANSMEM        42..62
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        91..111
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        113..133
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   312 AA;  35799 MW;  642542ADFB23D2F4 CRC64;
     MNAEIVVNNS NFSSNTPPFL KKQPEIRRYI IQGSRRFSNY WWAFIVCLGS IGFLLTGISS
     YFEFQNLLHL QNYFSFANEA QSSLNKVELP IILFFPQGLV MCFYGILGLF LSFYLWFSIF
     LNIGAGFNEI YIYTGETLKT ENQYSKSINS NNLKANNWNS SKIKSNLKKF TKMKDTQTID
     YSSENELKNQ LTNPNSAVCK FAKGGSEVGC WEQSALTPLP PTPLSHIRIF RWGFPGKNRK
     INLQYSIDQI SAIKLEFLQG FNSKRTICLK LSDQREILLT GSPQGDWETF EQLEKQASEL
     AKFLKVNLEF SS