ID   YCF4_RHDSA              Reviewed;         179 AA.
AC   A6MVV6;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-JUL-2007, sequence version 1.
DT   03-AUG-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   Rhodomonas salina (Cryptomonas salina).
OG   Plastid; Chloroplast.
OC   Eukaryota; Cryptophyceae; Pyrenomonadales; Pyrenomonadaceae; Rhodomonas.
OX   NCBI_TaxID=52970;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCMP1319 / NEPCC76 / CS-174;
RX   PubMed=17522086; DOI=10.1093/molbev/msm101;
RA   Khan H., Parks N., Kozera C., Curtis B.A., Parsons B.J., Bowman S.,
RA   Archibald J.M.;
RT   "Plastid genome sequence of the cryptophyte alga Rhodomonas salina
RT   CCMP1319: lateral transfer of putative DNA replication machinery and a test
RT   of chromist plastid phylogeny.";
RL   Mol. Biol. Evol. 24:1832-1842(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; EF508371; ABO70826.1; -; Genomic_DNA.
DR   RefSeq; YP_001293535.1; NC_009573.1.
DR   AlphaFoldDB; A6MVV6; -.
DR   GeneID; 5228633; -.
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..179
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000326024"
FT   TRANSMEM        21..41
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        59..79
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   179 AA;  20033 MW;  E6B29CCD8DF7B217 CRC64;
     MQTRYDLILG SRRFSNYLWT LISFSGGIGF LLAGLSSYLG VQLLPFGNTE TIVFIPQGIV
     MTFYGTIGIL LSLFLLLNIS LNVGGGYNSY DKSTGAIQIF RLGFPGKRRK ILLQYKIQEI
     KSIKLSIAEG LNPKREIYLQ TKDQRQIPLT RVGEPLLLSQ IEEEAVELAN FLNIPLEGL