ID   CCS1_PAUCH              Reviewed;         435 AA.
AC   B1X3X2;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   25-MAY-2022, entry version 38.
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=PCC_0191;
OS   Paulinella chromatophora.
OG   Plastid; Organellar chromatophore.
OC   Eukaryota; Sar; Rhizaria; Imbricatea; Silicofilosea; Euglyphida;
OC   Paulinellidae; Paulinella.
OX   NCBI_TaxID=39717;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=18356055; DOI=10.1016/j.cub.2008.02.051;
RA   Nowack E.C.M., Melkonian M., Gloeckner G.;
RT   "Chromatophore genome sequence of Paulinella sheds light on acquisition of
RT   photosynthesis by eukaryotes.";
RL   Curr. Biol. 18:410-418(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: Plastid, organellar chromatophore thylakoid
CC       membrane {ECO:0000250}; 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; CP000815; ACB42641.1; -; Genomic_DNA.
DR   RefSeq; YP_002048851.1; NC_011087.1.
DR   AlphaFoldDB; B1X3X2; -.
DR   SMR; B1X3X2; -.
DR   GeneID; 6481609; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0070118; C:organellar chromatophore thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0009536; C:plastid; IEA:UniProtKB-KW.
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; Organellar chromatophore; Plastid;
KW   Thylakoid; Transmembrane; Transmembrane helix.
FT   CHAIN           1..435
FT                   /note="Cytochrome c biogenesis protein CcsB"
FT                   /id="PRO_0000363640"
FT   TRANSMEM        11..31
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        69..89
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        159..179
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
SQ   SEQUENCE   435 AA;  48234 MW;  5BF3055531AC6027 CRC64;
     MKHVLKWISD LRVAIFLLLI IALSSSLGTA LPQKESAESY YEAYNSSPWL KVFSGESIIQ
     LQLDHVYSSD WFLSLLLWLG IALVFCSWRR QLPALQFTLR WIDYCNPRQL SKLALAETII
     STDASASIKR LEQLLKNQGW QVQAKSGRLA ARRGIAGRVG PLMVHTGLVI LMLGAVWGVL
     GGHRLERFLA PGREMELLNS HGKSQLNIAL ESFQIERDPV GRPEQYRSQL RLRELGNSRE
     NNSGSIDKSL NREISVNHPL RYGGMTVYQA DWALAAITVQ LGRSPLLQLP LEQFPQLGEQ
     VWGVVLPTQQ DGSNPVLLAL SSEKGPIEVF ASDGSLITTL RPGGVAATIN DVKVRVESIL
     PASGLLLKRD PGVPLVYIGF AVALMGGGLS LISTRQIWAI AELEQQRFHV GGLCNREFTN
     FAQELPQFIS EIQQI