ID   YCF4_CHLRE              Reviewed;         197 AA.
AC   O20030; B7U1H8;
DT   29-AUG-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=Photosystem I assembly protein Ycf4;
GN   Name=ycf4;
OS   Chlamydomonas reinhardtii (Chlamydomonas smithii).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Chlorophyceae;
OC   CS clade; Chlamydomonadales; Chlamydomonadaceae; Chlamydomonas.
OX   NCBI_TaxID=3055;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND CHARACTERIZATION.
RX   PubMed=9321389; DOI=10.1093/emboj/16.20.6095;
RA   Boudreau E., Takahashi Y., Lemieux C., Turmel M., Rochaix J.-D.;
RT   "The chloroplast ycf3 and ycf4 open reading frames of Chlamydomonas
RT   reinhardtii are required for the accumulation of the photosystem I
RT   complex.";
RL   EMBO J. 16:6095-6104(1997).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CC-503;
RX   PubMed=19473533; DOI=10.1186/1471-2148-9-120;
RA   Smith D.R., Lee R.W.;
RT   "Nucleotide diversity of the Chlamydomonas reinhardtii plastid genome:
RT   addressing the mutational-hazard hypothesis.";
RL   BMC Evol. Biol. 9:120-120(2009).
RN   [3]
RP   IDENTIFICATION, AND COMPLETE PLASTID GENOME.
RX   PubMed=12417694; DOI=10.1105/tpc.006155;
RA   Maul J.E., Lilly J.W., Cui L., dePamphilis C.W., Miller W., Harris E.H.,
RA   Stern D.B.;
RT   "The Chlamydomonas reinhardtii plastid chromosome: islands of genes in a
RT   sea of repeats.";
RL   Plant Cell 14:2659-2679(2002).
CC   -!- FUNCTION: Seems to be required for the assembly of the photosystem I
CC       complex.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane; Multi-
CC       pass membrane protein.
CC   -!- SIMILARITY: Belongs to the Ycf4 family. {ECO:0000305}.
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DR   EMBL; Y13655; CAA74007.1; -; Genomic_DNA.
DR   EMBL; FJ423446; ACJ50125.1; -; Genomic_DNA.
DR   EMBL; BK000554; DAA00939.1; -; Genomic_DNA.
DR   PIR; T07995; T07995.
DR   RefSeq; NP_958394.1; NC_005353.1.
DR   AlphaFoldDB; O20030; -.
DR   SMR; O20030; -.
DR   STRING; 3055.DAA00939; -.
DR   PaxDb; O20030; -.
DR   PRIDE; O20030; -.
DR   GeneID; 2717009; -.
DR   KEGG; cre:ChreCp038; -.
DR   eggNOG; ENOG502QWGG; Eukaryota.
DR   HOGENOM; CLU_095465_0_0_1; -.
DR   InParanoid; O20030; -.
DR   OrthoDB; 1340066at2759; -.
DR   BioCyc; MetaCyc:MON-16596; -.
DR   Proteomes; UP000006906; Chloroplast.
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   1: Evidence at protein level;
KW   Chloroplast; Membrane; Photosynthesis; Plastid; Reference proteome;
KW   Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..197
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000217601"
FT   TRANSMEM        21..43
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        82..104
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   197 AA;  22423 MW;  F9F327365E37BAA8 CRC64;
     MTQNNILIRR YIIVGERRFS NYWWAIVIFL GSCGFLATGI CSYLGIPNWL SLLNIGTTFS
     SETETLASGI VPFFPQGLLM SFYGSLGFLL SIYWSLLIFW NVGGGFNEFN KKEGFVRIFR
     WGYPGKNRKI DLSYSLKDIE AIRVELKQGL DAQRTIYLRL KGKREIPLTG IGQPLTLKEI
     EKQASELANF LQVSLEA