ID   CCSA_PROMM              Reviewed;         318 AA.
AC   Q7V806;
DT   04-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2003, sequence version 1.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=Cytochrome c biogenesis protein CcsA {ECO:0000255|HAMAP-Rule:MF_01391};
GN   Name=ccsA {ECO:0000255|HAMAP-Rule:MF_01391}; OrderedLocusNames=PMT_0570;
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_01391}.
CC   -!- SUBUNIT: May interact with ccs1. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cellular thylakoid membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01391}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01391}.
CC   -!- SIMILARITY: Belongs to the CcmF/CycK/Ccl1/NrfE/CcsA family.
CC       {ECO:0000255|HAMAP-Rule:MF_01391}.
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DR   EMBL; BX548175; CAE20745.1; -; Genomic_DNA.
DR   RefSeq; WP_011129949.1; NC_005071.1.
DR   AlphaFoldDB; Q7V806; -.
DR   SMR; Q7V806; -.
DR   STRING; 74547.PMT_0570; -.
DR   EnsemblBacteria; CAE20745; CAE20745; PMT_0570.
DR   KEGG; pmt:PMT_0570; -.
DR   eggNOG; COG0755; Bacteria.
DR   HOGENOM; CLU_049710_2_4_3; -.
DR   OMA; WLVMHVS; -.
DR   OrthoDB; 955123at2; -.
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:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0015232; F:heme transmembrane transporter activity; IEA:InterPro.
DR   GO; GO:0017004; P:cytochrome complex assembly; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01391; CytC_CcsA; 1.
DR   InterPro; IPR002541; Cyt_c_assembly.
DR   InterPro; IPR003557; Cyt_c_biogenesis_CcmC.
DR   InterPro; IPR017562; Cyt_c_biogenesis_CcsA.
DR   InterPro; IPR045062; Cyt_c_biogenesis_CcsA/CcmC.
DR   PANTHER; PTHR30071; PTHR30071; 1.
DR   Pfam; PF01578; Cytochrom_C_asm; 1.
DR   PRINTS; PR01386; CCMCBIOGNSIS.
DR   TIGRFAMs; TIGR03144; cytochr_II_ccsB; 1.
PE   3: Inferred from homology;
KW   Cytochrome c-type biogenesis; Membrane; Reference proteome; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..318
FT                   /note="Cytochrome c biogenesis protein CcsA"
FT                   /id="PRO_5000096686"
FT   TRANSMEM        17..37
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01391"
FT   TRANSMEM        45..65
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01391"
FT   TRANSMEM        75..95
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01391"
FT   TRANSMEM        104..124
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01391"
FT   TRANSMEM        149..169
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01391"
FT   TRANSMEM        224..244
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01391"
FT   TRANSMEM        258..275
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01391"
FT   TRANSMEM        287..307
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01391"
SQ   SEQUENCE   318 AA;  34376 MW;  260C28BD267A602D CRC64;
     MFGVTLAELS ASLGDPVLAL GLAAFALLLL AIPISFWMVS GGSNSAVVTL LVALANLVLT
     AQLVLRWWQS GHFPISNLYE SLCFLAWACT LAQLLVERSL SSPIVSAAAT PMALLCVAFA
     SFALPETLQE ASPLVPALRS SWLVMHVSVI MCSYAALLVG SFLSMAVLFT DRQQTLELRS
     SSIGTGGFRQ AKLATSSMDQ SDGLRLSSIN LSRTEQLDSL SYRTITVGFL LLTLGLISGA
     VWANEAWGSW WSWDPKETWA LICWMVYAAY LHTRFSRGWS GRRPALVAVA GIVVIVVCYI
     GVNLLGIGLH SYGWFFEA