ID   CCS1_PROMM              Reviewed;         430 AA.
AC   Q7V5R7;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 92.
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=PMT_1477;
OS   Prochlorococcus marinus (strain MIT 9313).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=74547;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9313;
RX   PubMed=12917642; DOI=10.1038/nature01947;
RA   Rocap G., Larimer F.W., Lamerdin J.E., Malfatti S., Chain P., Ahlgren N.A.,
RA   Arellano A., Coleman M., Hauser L., Hess W.R., Johnson Z.I., Land M.L.,
RA   Lindell D., Post A.F., Regala W., Shah M., Shaw S.L., Steglich C.,
RA   Sullivan M.B., Ting C.S., Tolonen A., Webb E.A., Zinser E.R.,
RA   Chisholm S.W.;
RT   "Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche
RT   differentiation.";
RL   Nature 424:1042-1047(2003).
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; BX548175; CAE21652.1; -; Genomic_DNA.
DR   RefSeq; WP_011130845.1; NC_005071.1.
DR   AlphaFoldDB; Q7V5R7; -.
DR   STRING; 74547.PMT_1477; -.
DR   EnsemblBacteria; CAE21652; CAE21652; PMT_1477.
DR   KEGG; pmt:PMT_1477; -.
DR   eggNOG; COG1333; Bacteria.
DR   HOGENOM; CLU_034630_0_0_3; -.
DR   OMA; RFWIDYT; -.
DR   OrthoDB; 1518243at2; -.
DR   Proteomes; UP000001423; 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..430
FT                   /note="Cytochrome c biogenesis protein CcsB"
FT                   /id="PRO_5000096807"
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   430 AA;  46895 MW;  6C718F3A5F918627 CRC64;
     MATFKRLLAW ISDLRIAIGL LLVIALASAL GTAIPQGELR ESYLEGYSDK PWLGFVNGSM
     ILRLQLDHVY TSSWFLALLA WLGLALILCS WRRQWPALQA ALQWIDYQEP RQLSKLAIAE
     TISSPPKNES IDKLAAHLHQ QGWQVQQQPG RLAARRGIIG RAGPMLVHLG LVLLMLGAVW
     GSLGGNRLEQ FLAPGRSLDL LNRDGNSHLK LTLTNFGIER DPAGRPEQFR SQLELLEPGQ
     DTAKLHEVSV NHPLRFHGLT VYQADWSLAA ITLQLGRSPQ LQLPLRTFPE LGEQVWGLVL
     PTNPDGSEPV LLSLTSEAGP VQVFDATGER LASLRPAGPT AEVKGIPIRI VDVLPASGLL
     LKRDPGVPLV YIGFLITLVG GGLSMIATRQ LWAVGDPENE CLHVGGLCNR NLTGFANELP
     SLLAAAVPQQ