ID   YCF4_ZYGCR              Reviewed;         188 AA.
AC   Q32RG6;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   25-MAY-2022, entry version 40.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Zygnema circumcarinatum (Green alga).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Streptophyta; Zygnemophyceae; Zygnematophycidae;
OC   Zygnematales; Zygnemataceae; Zygnema.
OX   NCBI_TaxID=35869;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=16236178; DOI=10.1186/1741-7007-3-22;
RA   Turmel M., Otis C., Lemieux C.;
RT   "The complete chloroplast DNA sequences of the charophycean green algae
RT   Staurastrum and Zygnema reveal that the chloroplast genome underwent
RT   extensive changes during the evolution of the Zygnematales.";
RL   BMC Biol. 3:22-22(2005).
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; AY958086; AAX45880.1; -; Genomic_DNA.
DR   RefSeq; YP_636560.1; NC_008117.1.
DR   AlphaFoldDB; Q32RG6; -.
DR   GeneID; 4108200; -.
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..188
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000275678"
FT   TRANSMEM        22..42
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        68..88
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   188 AA;  21144 MW;  7A276C0A58E13894 CRC64;
     MNIQSDGIRI DLVTGSRRIS NLGWASVLLL GTSGFLLTGL SSYLGKDLIP FLYPSEEHMK
     IAFAPQGLVM CFYGIAGLFL STYLWCAILW NVGGGYNEFD RQEGTITIFR WGFPGQNRRI
     RIRCLIKDVK AVRIETQTGL LSRNDISILL RDKQRLVFNQ LGDSLTLQEI EDKAVQLAQF
     LQVPLEGV