ID   YCF4_TRIEI              Reviewed;         187 AA.
AC   Q118V7;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437}; OrderedLocusNames=Tery_0512;
OS   Trichodesmium erythraeum (strain IMS101).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Oscillatoriales;
OC   Microcoleaceae; Trichodesmium.
OX   NCBI_TaxID=203124;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IMS101;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Kiss H., Munk A.C., Brettin T., Bruce D., Han C., Tapia R., Gilna P.,
RA   Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Richardson P.;
RT   "Complete sequence of Trichodesmium erythraeum IMS101.";
RL   Submitted (JUN-2006) 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: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00437}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00437}.
CC   -!- SIMILARITY: Belongs to the Ycf4 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00437}.
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DR   EMBL; CP000393; ABG49967.1; -; Genomic_DNA.
DR   RefSeq; WP_011610362.1; NC_008312.1.
DR   AlphaFoldDB; Q118V7; -.
DR   STRING; 203124.Tery_0512; -.
DR   EnsemblBacteria; ABG49967; ABG49967; Tery_0512.
DR   KEGG; ter:Tery_0512; -.
DR   eggNOG; ENOG502Z7YX; Bacteria.
DR   HOGENOM; CLU_095465_0_0_3; -.
DR   OMA; RFSNYWW; -.
DR   OrthoDB; 1558391at2; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0009522; C:photosystem I; IEA:InterPro.
DR   GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
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   Membrane; Photosynthesis; Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..187
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000325990"
FT   TRANSMEM        25..45
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        69..89
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   187 AA;  20938 MW;  1A6D741FCEE0A293 CRC64;
     MTTQTSTGDR LVHQEIIGSR RLSNYLWAII VTMGGIGFLL SGISSYLKVN LLIVADPTQL
     NFLPQGIAMS FYGLLGTIYG IFLWLTVIWD LGGGYNDFNQ ESGQIMIFRR GFPGKNRKVE
     FNCTTENVQS IKVDIKEGLN PRRAIYLCLK DRRQIPLTRV GQPLALSKLE NEAAQLAKFL
     QVPLEGL