ID   YCF3_TUPAK              Reviewed;         167 AA.
AC   Q3ZJ63;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   27-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 60.
DE   RecName: Full=Photosystem I assembly protein Ycf3 {ECO:0000255|HAMAP-Rule:MF_00439};
GN   Name=ycf3 {ECO:0000255|HAMAP-Rule:MF_00439};
OS   Tupiella akineta (Green alga) (Pseudendoclonium akinetum).
OG   Plastid; Chloroplast.
OC   Eukaryota; Viridiplantae; Chlorophyta; Ulvophyceae; OUU clade;
OC   Ulotrichales; Tupiellaceae; Tupiella.
OX   NCBI_TaxID=160070;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UTEX 1912;
RX   PubMed=15930151; DOI=10.1093/molbev/msi182;
RA   Pombert J.-F., Otis C., Lemieux C., Turmel M.;
RT   "The chloroplast genome sequence of the green alga Pseudendoclonium
RT   akinetum (Ulvophyceae) reveals unusual structural features and new insights
RT   into the branching order of chlorophyte lineages.";
RL   Mol. Biol. Evol. 22:1903-1918(2005).
CC   -!- FUNCTION: Essential for the assembly of the photosystem I (PSI)
CC       complex. May act as a chaperone-like factor to guide the assembly of
CC       the PSI subunits. {ECO:0000255|HAMAP-Rule:MF_00439}.
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_00439}; Peripheral membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_00439}.
CC   -!- SIMILARITY: Belongs to the Ycf3 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00439}.
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DR   EMBL; AY835431; AAV80628.1; -; Genomic_DNA.
DR   RefSeq; YP_636204.1; NC_008114.1.
DR   AlphaFoldDB; Q3ZJ63; -.
DR   SMR; Q3ZJ63; -.
DR   GeneID; 4108808; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.25.40.10; -; 1.
DR   HAMAP; MF_00439; Ycf3; 1.
DR   InterPro; IPR022818; PSI_Ycf3_assembly.
DR   InterPro; IPR011990; TPR-like_helical_dom_sf.
DR   InterPro; IPR001440; TPR_1.
DR   InterPro; IPR019734; TPR_repeat.
DR   Pfam; PF00515; TPR_1; 1.
DR   SMART; SM00028; TPR; 3.
DR   SUPFAM; SSF48452; SSF48452; 1.
DR   PROSITE; PS50005; TPR; 3.
DR   PROSITE; PS50293; TPR_REGION; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Membrane; Photosynthesis; Plastid; Repeat; Thylakoid;
KW   TPR repeat.
FT   CHAIN           1..167
FT                   /note="Photosystem I assembly protein Ycf3"
FT                   /id="PRO_0000275634"
FT   REPEAT          35..68
FT                   /note="TPR 1"
FT   REPEAT          72..105
FT                   /note="TPR 2"
FT   REPEAT          120..153
FT                   /note="TPR 3"
SQ   SEQUENCE   167 AA;  19547 MW;  BE911CA2E2C7D7EF CRC64;
     MPRSQKNDNF IDKTFTVVAD ILIKVLPTSN REKQAFTYYR DGMSAQAEGE YAEALQNYYQ
     ALKLEIDPYD RSYILYNIGL IHTSNGKHGR ALEYYYQALK RNPSLPQALN NIAVIYHYRA
     EQATEKYQSE VAKILYNKAA DYWNEAIRLT PTNYLEAQSW LKQRENI