ID   YCF4_GLOVI              Reviewed;         188 AA.
AC   Q7NPH6;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-2003, sequence version 1.
DT   03-AUG-2022, entry version 89.
DE   RecName: Full=Photosystem I assembly protein Ycf4;
GN   Name=ycf4; OrderedLocusNames=glr0079;
OS   Gloeobacter violaceus (strain ATCC 29082 / PCC 7421).
OC   Bacteria; Cyanobacteria; Gloeobacteria; Gloeobacterales; Gloeobacteraceae;
OC   Gloeobacter.
OX   NCBI_TaxID=251221;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29082 / PCC 7421;
RX   PubMed=14621292; DOI=10.1093/dnares/10.4.137;
RA   Nakamura Y., Kaneko T., Sato S., Mimuro M., Miyashita H., Tsuchiya T.,
RA   Sasamoto S., Watanabe A., Kawashima K., Kishida Y., Kiyokawa C., Kohara M.,
RA   Matsumoto M., Matsuno A., Nakazaki N., Shimpo S., Takeuchi C., Yamada M.,
RA   Tabata S.;
RT   "Complete genome structure of Gloeobacter violaceus PCC 7421, a
RT   cyanobacterium that lacks thylakoids.";
RL   DNA Res. 10:137-145(2003).
CC   -!- FUNCTION: Seems to be required for the assembly of the photosystem I
CC       complex. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000250}; Multi-pass
CC       membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the Ycf4 family. {ECO:0000305}.
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DR   EMBL; BA000045; BAC88020.1; -; Genomic_DNA.
DR   RefSeq; NP_923025.1; NC_005125.1.
DR   RefSeq; WP_011140083.1; NC_005125.1.
DR   AlphaFoldDB; Q7NPH6; -.
DR   STRING; 251221.35210639; -.
DR   EnsemblBacteria; BAC88020; BAC88020; BAC88020.
DR   KEGG; gvi:glr0079; -.
DR   PATRIC; fig|251221.4.peg.81; -.
DR   eggNOG; ENOG502Z7YX; Bacteria.
DR   HOGENOM; CLU_095465_0_0_3; -.
DR   InParanoid; Q7NPH6; -.
DR   OMA; RFSNYWW; -.
DR   OrthoDB; 1558391at2; -.
DR   PhylomeDB; Q7NPH6; -.
DR   Proteomes; UP000000557; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0009522; C:photosystem I; IEA:InterPro.
DR   GO; GO:0005886; C:plasma 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   Cell inner membrane; Cell membrane; Membrane; Photosynthesis;
KW   Reference proteome; Transmembrane; Transmembrane helix.
FT   CHAIN           1..188
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000217633"
FT   TRANSMEM        27..47
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        70..90
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   188 AA;  20926 MW;  1A9FB6F16873BA00 CRC64;
     MAAPAIYQTD KVLRFEVPGS RRPSTYFFAL VLTLGGLGFL FAGLSPFVET NLLPFSDTRG
     LTRFPQGVTM IFYGALATLF SLYYWLVLAL DVGSGYNEFD KQNKKVTLFR RGFPGKNRII
     EIVHPLENIL GLKVQIKEGL NPRRAYFLKL KGARDLRLSP VGQPQPLAAV EDQVSAIARF
     LNIGVEGI