ID   CCS1_SYNE7              Reviewed;         456 AA.
AC   Q31RG5;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 72.
DE   RecName: Full=Cytochrome c biogenesis protein CcsB {ECO:0000255|HAMAP-Rule:MF_01392};
GN   Name=ccsB {ECO:0000255|HAMAP-Rule:MF_01392};
GN   Synonyms=ccs1 {ECO:0000255|HAMAP-Rule:MF_01392};
GN   OrderedLocusNames=Synpcc7942_0322;
OS   Synechococcus elongatus (strain PCC 7942 / FACHB-805) (Anacystis nidulans
OS   R2).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus.
OX   NCBI_TaxID=1140;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7942 / FACHB-805;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Schmutz J., Larimer F., Land M.,
RA   Kyrpides N., Lykidis A., Richardson P.;
RT   "Complete sequence of chromosome 1 of Synechococcus elongatus PCC 7942.";
RL   Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Required during biogenesis of c-type cytochromes (cytochrome
CC       c6 and cytochrome f) at the step of heme attachment.
CC       {ECO:0000255|HAMAP-Rule:MF_01392}.
CC   -!- SUBUNIT: May interact with CcsA. {ECO:0000255|HAMAP-Rule:MF_01392}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01392}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01392}.
CC   -!- SIMILARITY: Belongs to the Ccs1/CcsB family. {ECO:0000255|HAMAP-
CC       Rule:MF_01392}.
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DR   EMBL; CP000100; ABB56354.1; -; Genomic_DNA.
DR   RefSeq; WP_011243503.1; NC_007604.1.
DR   AlphaFoldDB; Q31RG5; -.
DR   STRING; 1140.Synpcc7942_0322; -.
DR   PRIDE; Q31RG5; -.
DR   EnsemblBacteria; ABB56354; ABB56354; Synpcc7942_0322.
DR   KEGG; syf:Synpcc7942_0322; -.
DR   eggNOG; COG1333; Bacteria.
DR   HOGENOM; CLU_034630_0_0_3; -.
DR   OMA; RFWIDYT; -.
DR   OrthoDB; 1518243at2; -.
DR   BioCyc; SYNEL:SYNPCC7942_0322-MON; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0031676; C:plasma membrane-derived thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0017004; P:cytochrome complex assembly; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01392; CytC_Ccs1; 1.
DR   InterPro; IPR023494; Cyt_c_bgen_Ccs1/CcsB/ResB.
DR   InterPro; IPR007816; ResB-like_domain.
DR   PANTHER; PTHR31566; PTHR31566; 1.
DR   Pfam; PF05140; ResB; 2.
PE   3: Inferred from homology;
KW   Cytochrome c-type biogenesis; Membrane; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..456
FT                   /note="Cytochrome c biogenesis protein CcsB"
FT                   /id="PRO_0000363624"
FT   TRANSMEM        29..49
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        88..108
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        174..194
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
SQ   SEQUENCE   456 AA;  50461 MW;  80087557590A22E2 CRC64;
     MTSDPLASPS FADRWRRGQQ LFWTWLADLR LAILLLLAIA IASATGTVIE QGQSLAFYQE
     NYPTDPALFG FLSWRWILSL GLDHVYRAGW FLGLLILFGA SLTACTFRRQ WPALRAAQRW
     QFYQEPRQFT KLALSASLPQ GKLDSLEPLL LQRRYRLFRA DDVLYARRGL AGRVGPILVH
     AGMLVVLGGA IWGSLGGFYA QEMIPSGETF QVRNIVDAGP WSGSRIPQDW AVKVNRFWID
     YAPDGRIDQF YSDLSVVDRE GQEQDRQTIH VNQPLRYGGL TFYQADWAIA AAQVRLNNSP
     VLQLPMAQLP AAGRIWGTFV PTKPDLSSGV SLIAKDLQGT AVIYGSNGEP LGTLRKGMAI
     EVEGIRLSLV DLVGSTGLQI KSDPGIPWVY AGFLFVMVGV VCSYVSHAQV WALEQDGQLY
     IGGRSNRALV AFEQEMLAVL AQLDAQSNHS AETAIA