ID   YCF4_CYAP4              Reviewed;         188 AA.
AC   B8HY04;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   25-MAY-2022, entry version 55.
DE   RecName: Full=Photosystem I assembly protein Ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   Name=ycf4 {ECO:0000255|HAMAP-Rule:MF_00437};
GN   OrderedLocusNames=Cyan7425_1057;
OS   Cyanothece sp. (strain PCC 7425 / ATCC 29141).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Oscillatoriales;
OC   Cyanothecaceae; Cyanothece; unclassified Cyanothece.
OX   NCBI_TaxID=395961;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7425 / ATCC 29141;
RX   PubMed=21972240; DOI=10.1128/mbio.00214-11;
RA   Bandyopadhyay A., Elvitigala T., Welsh E., Stockel J., Liberton M., Min H.,
RA   Sherman L.A., Pakrasi H.B.;
RT   "Novel metabolic attributes of the genus Cyanothece, comprising a group of
RT   unicellular nitrogen-fixing Cyanobacteria.";
RL   MBio 2:E214-E214(2011).
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; CP001344; ACL43443.1; -; Genomic_DNA.
DR   RefSeq; WP_012626540.1; NC_011884.1.
DR   AlphaFoldDB; B8HY04; -.
DR   SMR; B8HY04; -.
DR   STRING; 395961.Cyan7425_1057; -.
DR   EnsemblBacteria; ACL43443; ACL43443; Cyan7425_1057.
DR   KEGG; cyn:Cyan7425_1057; -.
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..188
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_1000200327"
FT   TRANSMEM        28..48
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        68..88
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   188 AA;  20763 MW;  3DA69740FC8966AE CRC64;
     MTSPTVSTDR PVLRYEVLGS RRFSNYWWAT VITIGGTGFF LAGLSSYLHV NLLPIGNPVE
     LFFIPQGIAI GFYGVAALLL AIYLWATIGW NVGGGYNEFN KETGIVRIFR WGFPGKNRQV
     EISARIPDVQ AVRIVIREGV NPKRTIYLRL KGRGDIPLTR VGQPIPLTDL ENQAAEIASF
     LGVAIEGL