ID   CCS1_TRIV2              Reviewed;         461 AA.
AC   Q3M6F7;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-OCT-2005, sequence version 1.
DT   25-MAY-2022, entry version 79.
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=Ava_3824;
OS   Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Trichormus.
OX   NCBI_TaxID=240292;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29413 / PCC 7937;
RX   PubMed=25197444; DOI=10.4056/sigs.3899418;
RA   Thiel T., Pratte B.S., Zhong J., Goodwin L., Copeland A., Lucas S., Han C.,
RA   Pitluck S., Land M.L., Kyrpides N.C., Woyke T.;
RT   "Complete genome sequence of Anabaena variabilis ATCC 29413.";
RL   Stand. Genomic Sci. 9:562-573(2014).
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; CP000117; ABA23429.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q3M6F7; -.
DR   STRING; 240292.Ava_3824; -.
DR   EnsemblBacteria; ABA23429; ABA23429; Ava_3824.
DR   KEGG; ava:Ava_3824; -.
DR   eggNOG; COG1333; Bacteria.
DR   HOGENOM; CLU_034630_0_0_3; -.
DR   OMA; RFWIDYT; -.
DR   Proteomes; UP000002533; 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..461
FT                   /note="Cytochrome c biogenesis protein CcsB"
FT                   /id="PRO_0000363611"
FT   TRANSMEM        32..52
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        91..111
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        178..198
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
SQ   SEQUENCE   461 AA;  51425 MW;  DDFEFE8CE8E715E2 CRC64;
     MTTDNSAPTA SPWWSLPGKF LRREFLPVLT DLRLAIALLL IIALFSISGT VIEQGQSPAF
     YQANYPEHPA LFGFLTWKVI QVVGLDHVYR TWWFLSLLVL FGTSLTACTF TRQLPALKTA
     QRWKYYEEPR QFQKLALSAE LDAGSVNSLS QILQNRRYKI FQEKDDILYA RKGIVGRIGP
     IIVHIGIVTI LLGSIWGAMT GFIAQEMVPS GETFQVKNII DAGPLAAGQF PQDWSVRVNR
     FWIDYTPKGG IDQFYSDMSV LDNQGKEVDH KKIFVNQPLR YHGVTFYQTD WGISGVRVRL
     NKSPIFQLPM ALLNTNGQGR IWGTWIPTKP DLSEGVSLLA KDLQGMVLIY DAQGKLVDTV
     RAGMSTQVNG VTLKVLDVVG STGLQIKADP GIPIVYTGFG ILMLGVVMSY FSHSQIWALQ
     KGDRLYVGGK TNRAQVAFEQ EVLEILERLS SQSATASNQQ S