ID   CCS1_PROMP              Reviewed;         428 AA.
AC   Q7V028;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   25-MAY-2022, entry version 88.
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}; OrderedLocusNames=PMM1460;
OS   Prochlorococcus marinus subsp. pastoris (strain CCMP1986 / NIES-2087 /
OS   MED4).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=59919;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CCMP1986 / NIES-2087 / MED4;
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; BX548174; CAE19919.1; -; Genomic_DNA.
DR   RefSeq; WP_011133088.1; NC_005072.1.
DR   AlphaFoldDB; Q7V028; -.
DR   STRING; 59919.PMM1460; -.
DR   EnsemblBacteria; CAE19919; CAE19919; PMM1460.
DR   KEGG; pmm:PMM1460; -.
DR   eggNOG; COG1333; Bacteria.
DR   HOGENOM; CLU_034630_0_0_3; -.
DR   OMA; RFWIDYT; -.
DR   OrthoDB; 1518243at2; -.
DR   Proteomes; UP000001026; 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_5000096590"
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;  49047 MW;  1FAFA9411733C7E5 CRC64;
     MVIFKKFILK ISSLRFAILL IIFIAISSGV GTFIPQGNDQ QEYIDFYNET PILGFINGSQ
     VIRLQLDHIY TSNWFLFSLI LLCISLAACS FRRQIPSLKA ALKWTDYKDE KKFYKLELIT
     NYEIIQDADH ILKADSLLRK KGWNISKFEN RLSARKGLEG KLGPIIVHIG LIILLIGSAY
     GNFSSQSKEQ YLRLGESLDL INESTNSRVK IKLKNFFIER ESDGKPKQFI SNLEFFSKQQ
     NLNEIKTTQV NQPIRFKGLT IYQADWSVSN IVMEIDSVLY QLQLKPIPEI GDQIWGLLIE
     LGRENKKNYL LTIDNENGPL KVSNIEDFSE NFVYLNNNPI EINSSKLSLK KIIPSSGLII
     KNDPSIPFIY LSFTLIIVGT ILSLIPTNQI WILFNENTNK LFIGGLSNRN LLGFKKEFLK
     LSDEIKNN