ID   YCF4_NEOYE              Reviewed;         186 AA.
AC   Q1XDR7;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   02-MAY-2006, sequence version 1.
DT   25-MAY-2022, entry version 42.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
OS   Neopyropia yezoensis (Susabi-nori) (Pyropia yezoensis).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Neopyropia.
OX   NCBI_TaxID=2788;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=U-51;
RA   Kunimoto M., Morishima K., Yoshikawa M., Fukuda S., Kobayashi T.,
RA   Kobayashi M., Okazaki T., Ohara I., Nakayama I.;
RT   "Whole genome sequence of Porphyra yezoensis chloroplast.";
RL   Submitted (NOV-2003) to the EMBL/GenBank/DDBJ databases.
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AP006715; BAE92344.1; -; Genomic_DNA.
DR   RefSeq; YP_536901.1; NC_007932.1.
DR   AlphaFoldDB; Q1XDR7; -.
DR   GeneID; 3978904; -.
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..186
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000275679"
FT   TRANSMEM        26..46
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        66..86
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   186 AA;  21158 MW;  28782892347C90BF CRC64;
     MKKTLSIHSV RKDLILGSRR LSNYWWATII FIGALGFLLA GLSSYFQVDL LPFTNSTDLV
     FIPQGIVMTF YGSIGVFLSL FLWLTIIWNI GAGYNEFNKD KGIVKIFRLG FPGKNRKICL
     QFNIKEIKSI KIDIKEGLNP RREIYLCTKD KRVIPLTRVG QPLLLSEVEE QAAEIARFLD
     VVLEGA