ID   YCF3_PROMT              Reviewed;         173 AA.
AC   Q46HP2;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 97.
DE   RecName: Full=Photosystem I assembly protein Ycf3 {ECO:0000255|HAMAP-Rule:MF_00439};
GN   Name=ycf3 {ECO:0000255|HAMAP-Rule:MF_00439}; OrderedLocusNames=PMN2A_1498;
OS   Prochlorococcus marinus (strain NATL2A).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=59920;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NATL2A;
RX   PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA   Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA   Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA   Richardson P., Chisholm S.W.;
RT   "Patterns and implications of gene gain and loss in the evolution of
RT   Prochlorococcus.";
RL   PLoS Genet. 3:2515-2528(2007).
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: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00439}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00439}.
CC   -!- SIMILARITY: Belongs to the Ycf3 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00439}.
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DR   EMBL; CP000095; AAZ58986.1; -; Genomic_DNA.
DR   RefSeq; WP_011294131.1; NC_007335.2.
DR   AlphaFoldDB; Q46HP2; -.
DR   SMR; Q46HP2; -.
DR   STRING; 59920.PMN2A_1498; -.
DR   EnsemblBacteria; AAZ58986; AAZ58986; PMN2A_1498.
DR   KEGG; pmn:PMN2A_1498; -.
DR   HOGENOM; CLU_141248_0_0_3; -.
DR   OMA; VYYRDGM; -.
DR   OrthoDB; 1382732at2; -.
DR   PhylomeDB; Q46HP2; -.
DR   Proteomes; UP000002535; Chromosome.
DR   GO; GO:0031676; C:plasma membrane-derived 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; IPR019734; TPR_repeat.
DR   SMART; SM00028; TPR; 3.
DR   SUPFAM; SSF48452; SSF48452; 1.
DR   PROSITE; PS50005; TPR; 2.
DR   PROSITE; PS50293; TPR_REGION; 1.
PE   3: Inferred from homology;
KW   Membrane; Photosynthesis; Reference proteome; Repeat; Thylakoid;
KW   TPR repeat.
FT   CHAIN           1..173
FT                   /note="Photosystem I assembly protein Ycf3"
FT                   /id="PRO_0000325046"
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   173 AA;  19948 MW;  C2410815AF652FAA CRC64;
     MPRSQNKDNF LDKAFTKMAE GIVKVMPIDS KEKEAYLYYR KGLAAQNDGD YSEALEYYEE
     SLKLEDNQVD RGETLKNMAI IYMSNGDEER AINTYKKALG QNPKQPSCLK NMGLIYEKRG
     RMAQRNGNQD ECDIWFDQAA EVWSKAVRLY PGGYLDIENW LKTTGRGNVD VYL