ID   CCS1_CROS5              Reviewed;         451 AA.
AC   B1WRN9;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   25-MAY-2022, entry version 64.
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=cce_4132;
OS   Crocosphaera subtropica (strain ATCC 51142 / BH68) (Cyanothece sp. (strain
OS   ATCC 51142)).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
OC   Aphanothecaceae; Crocosphaera; Crocosphaera subtropica.
OX   NCBI_TaxID=43989;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51142 / BH68;
RX   PubMed=18812508; DOI=10.1073/pnas.0805418105;
RA   Welsh E.A., Liberton M., Stoeckel J., Loh T., Elvitigala T., Wang C.,
RA   Wollam A., Fulton R.S., Clifton S.W., Jacobs J.M., Aurora R., Ghosh B.K.,
RA   Sherman L.A., Smith R.D., Wilson R.K., Pakrasi H.B.;
RT   "The genome of Cyanothece 51142, a unicellular diazotrophic cyanobacterium
RT   important in the marine nitrogen cycle.";
RL   Proc. Natl. Acad. Sci. U.S.A. 105:15094-15099(2008).
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; CP000806; ACB53480.1; -; Genomic_DNA.
DR   RefSeq; WP_009543788.1; NC_010546.1.
DR   AlphaFoldDB; B1WRN9; -.
DR   STRING; 43989.cce_4132; -.
DR   EnsemblBacteria; ACB53480; ACB53480; cce_4132.
DR   KEGG; cyt:cce_4132; -.
DR   eggNOG; COG1333; Bacteria.
DR   HOGENOM; CLU_034630_0_0_3; -.
DR   OMA; RFWIDYT; -.
DR   OrthoDB; 1518243at2; -.
DR   Proteomes; UP000001203; Chromosome circular.
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..451
FT                   /note="Cytochrome c biogenesis protein CcsB"
FT                   /id="PRO_0000363612"
FT   TRANSMEM        30..50
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        89..109
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        175..195
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
SQ   SEQUENCE   451 AA;  50556 MW;  A8AB2C7257DE51A8 CRC64;
     MTISDSPQTP ENLSLPKQGF RQLIKIVADL RLAIVLLLAI ALFSISGTVI EQGETISFYQ
     QNYPEDPALF GFLTWKVILI LGLNHVYTTW WFLSLLVLFG TSLTTCTFTR QFPALKAARK
     WNFYQKARQF EKLALSTELA INDLKFVNNL LEQKGYKTFQ ENQAIYARKG IIGKIGPIVV
     HAAMLIILGG AIWGALTGFL AQAMVPTGSE FKVNNIIEAG PLSQPQIPKD WGIRVNRFWI
     DYTPDGTIDQ FYSDLSVINN DGEELKHKTI YVNEPLRYHG VTFYQTDWGI AGVQAQVNNS
     PIFQLPMALL NTNGNGRIWG TWIPTKPDLS EGVSLLAKDL QGTMMVYDQK GDLYSAVRPG
     MILDINGVRL KIYQLIGSTG LQIKADPGIP FVYTGFGLLM MGVIMSYVSH SQIWVLQEDE
     HCYIGGKTNR SQVTFERELL GIIESLEPEK T