ID   CCS1_PROMS              Reviewed;         428 AA.
AC   A2BT34;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 74.
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=A9601_16621;
OS   Prochlorococcus marinus (strain AS9601).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=146891;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AS9601;
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; CP000551; ABM70945.1; -; Genomic_DNA.
DR   RefSeq; WP_011819074.1; NC_008816.1.
DR   AlphaFoldDB; A2BT34; -.
DR   SMR; A2BT34; -.
DR   STRING; 146891.A9601_16621; -.
DR   EnsemblBacteria; ABM70945; ABM70945; A9601_16621.
DR   KEGG; pmb:A9601_16621; -.
DR   eggNOG; COG1333; Bacteria.
DR   HOGENOM; CLU_034630_0_0_3; -.
DR   OMA; RFWIDYT; -.
DR   OrthoDB; 1518243at2; -.
DR   Proteomes; UP000002590; 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; Thylakoid; Transmembrane;
KW   Transmembrane helix.
FT   CHAIN           1..428
FT                   /note="Cytochrome c biogenesis protein CcsB"
FT                   /id="PRO_0000363617"
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;  48463 MW;  88758EFC18501E4E CRC64;
     MIIFKNLILK ISSLRFAISL IIFIAIASGI GTFIPQDNNN KFYIDNFDRA PIFGLLDGEK
     VLKLQLDHIY TSFWFLFTLI LLCISLAACS FRRQIPSLKA SLKWIEYKSE KKFSKLQLTR
     SHPINQDGEH ISKVDLLLKK KGWKTYKFNS HISARKGLIG KIGPLVVHIG LIVLLIGSAY
     GSFTSQSKEQ YLLPGETLNL VNESTNSRAN VKLVDFSIER ESDGVPKQFI SKLNFSSENL
     NLNEIKTTKV NHPIRFKGLT IYQADWAISN IVLEIDNILY QLQLKEIPEI GNQVWGVLVE
     LGSETKKNYL LTIDNENGPL KISNIENFSG NNLYINEDPL EVNSSKVSLK KIIPSSGLII
     KNDPSIPFIY FSFILIIFGT IISLIPTNQL WILVNKESQK LSIGGLSNKN LVGFKKEFFK
     LSDEIKNF