ID   CCS1_PROM0              Reviewed;         428 AA.
AC   A3PEU8;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-APR-2007, sequence version 1.
DT   25-MAY-2022, entry version 75.
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=P9301_16501;
OS   Prochlorococcus marinus (strain MIT 9301).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=167546;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9301;
RX   PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA   Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA   Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA   Richardson P., Chisholm S.W.;
RT   "Patterns and implications of gene gain and loss in the evolution of
RT   Prochlorococcus.";
RL   PLoS Genet. 3:2515-2528(2007).
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; CP000576; ABO18273.1; -; Genomic_DNA.
DR   RefSeq; WP_011863571.1; NC_009091.1.
DR   AlphaFoldDB; A3PEU8; -.
DR   SMR; A3PEU8; -.
DR   STRING; 167546.P9301_16501; -.
DR   EnsemblBacteria; ABO18273; ABO18273; P9301_16501.
DR   KEGG; pmg:P9301_16501; -.
DR   eggNOG; COG1333; Bacteria.
DR   HOGENOM; CLU_034630_0_0_3; -.
DR   OMA; RFWIDYT; -.
DR   Proteomes; UP000001430; Chromosome.
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; Reference proteome; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..428
FT                   /note="Cytochrome c biogenesis protein CcsB"
FT                   /id="PRO_0000363620"
FT   TRANSMEM        14..34
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        72..92
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        162..182
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
SQ   SEQUENCE   428 AA;  48372 MW;  FBB2F0F4E910010A CRC64;
     MTIVKDLIFR ISSLKFAISL IIFIAISSGV GTFIPQGSNS KFYIENFDEA PIFGFLNGEK
     VLILQLDHIY TSLWFLFALI LLCISLAACS FRRQIPSLKA SLKWIEYKSE KKFRKLQLNS
     SYQINEVEDL ISKADLFLKK RGWKTYKFKS HISARKGLIG KIGPLVVHIG LIVLLIGSAY
     GSFTSQSKEQ YLLPGESLDL INESTNSKAN IKLVDFSIER ESDGIPKQFI SKLDFTSEDS
     KFNEVKTAKV NHPIRFKGLT IYQADWAISN IVLEIDNILY QLQLKEIPEI GNQVWGILIE
     LGSETKKNFL LTIDNENGPL KISNTENFSG NNLYINENPL EVNSSKVSLK KIIPSSGLII
     KNDPSIPFIY FSFILIIFGT IISLIPTNQL WILVNQESQS LSIGGLSNKN LVGFKKEFFK
     LSEEIKNF