ID   YCF4_SYNR3              Reviewed;         177 AA.
AC   A5GUN8;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   18-MAR-2008, sequence version 2.
DT   25-MAY-2022, entry version 65.
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=SynRCC307_1694;
OS   Synechococcus sp. (strain RCC307).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=316278;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RCC307;
RG   Genoscope;
RL   Submitted (MAY-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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=CAK28597.1; Type=Erroneous initiation; Evidence={ECO:0000305};
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CT978603; CAK28597.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_043737098.1; NC_009482.1.
DR   AlphaFoldDB; A5GUN8; -.
DR   STRING; 316278.SynRCC307_1694; -.
DR   EnsemblBacteria; CAK28597; CAK28597; SynRCC307_1694.
DR   KEGG; syr:SynRCC307_1694; -.
DR   eggNOG; ENOG502Z7YX; Bacteria.
DR   HOGENOM; CLU_095465_0_0_3; -.
DR   OrthoDB; 1558391at2; -.
DR   Proteomes; UP000001115; 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: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; Reference proteome; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..177
FT                   /note="Photosystem I assembly protein Ycf4"
FT                   /id="PRO_0000325988"
FT   TRANSMEM        20..40
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
FT   TRANSMEM        60..80
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00437"
SQ   SEQUENCE   177 AA;  19223 MW;  1887924F59503CB0 CRC64;
     MDAPIDQPVL GSRRLSNYLV ALLVSIGGVG FLLTSASSYF GRDFLPIGHP AELIWVPQGL
     VMGAYGVGAV LLSSYLWAVI AIDVGGGRNL FDRGADTITI ERRGFRRLIS FTLPCGDVQA
     VKVEVRDGLN PRRRLALRLR GRRDVPLTRV GEPIALAELE RSGAELARYL NVPLEGV