ID   CCS1_HETA4              Reviewed;         426 AA.
AC   B2XTT2;
DT   10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   03-AUG-2022, entry version 35.
DE   RecName: Full=Cytochrome c biogenesis protein Ccs1 {ECO:0000255|HAMAP-Rule:MF_01392};
GN   Name=ccs1 {ECO:0000255|HAMAP-Rule:MF_01392};
GN   OrderedLocusNames=Heak452_Cp117;
OS   Heterosigma akashiwo (strain CCMP452 / OLISTH).
OG   Plastid; Chloroplast.
OC   Eukaryota; Sar; Stramenopiles; Ochrophyta; Raphidophyceae; Chattonellales;
OC   Chattonellaceae; Heterosigma.
OX   NCBI_TaxID=536046;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=18462506; DOI=10.1186/1471-2164-9-211;
RA   Cattolico R.A., Jacobs M.A., Zhou Y., Chang J., Duplessis M., Lybrand T.,
RA   McKay J., Ong H.C., Sims E., Rocap G.;
RT   "Chloroplast genome sequencing analysis of Heterosigma akashiwo CCMP452
RT   (West Atlantic) and NIES293 (West Pacific) strains.";
RL   BMC Genomics 9:211-211(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, chloroplast thylakoid membrane
CC       {ECO:0000255|HAMAP-Rule:MF_01392}; Multi-pass membrane protein
CC       {ECO:0000255|HAMAP-Rule:MF_01392}.
CC   -!- SIMILARITY: Belongs to the Ccs1/CcsB family. {ECO:0000255|HAMAP-
CC       Rule:MF_01392}.
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DR   EMBL; EU168191; ABV70165.1; -; Genomic_DNA.
DR   AlphaFoldDB; B2XTT2; -.
DR   SMR; B2XTT2; -.
DR   GO; GO:0009535; C:chloroplast thylakoid membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0016021; C:integral component of membrane; 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   Chloroplast; Cytochrome c-type biogenesis; Membrane; Plastid; Thylakoid;
KW   Transmembrane; Transmembrane helix.
FT   CHAIN           1..426
FT                   /note="Cytochrome c biogenesis protein Ccs1"
FT                   /id="PRO_0000363644"
FT   TRANSMEM        11..31
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        70..90
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        153..173
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
SQ   SEQUENCE   426 AA;  49200 MW;  FCEBFB40F05AB3E1 CRC64;
     MEKIFKILAN LKFAIALLLL ISITITFGSI IEQDQTLDYY KQNYPLTNPI GGFLTWKVIN
     MFQLNHIYKN FWFISLLLSL GISLIACTFF QQFPGIKFSR RCYFSNNPRK TDFQTQLKTN
     LSRNIIYTII SEGYFVFQQK KNFYGTKGII GRIAPVFVHL SIILILLGSI FASLGGFNSQ
     ELIGKGEIFH IQNVTSSGPL TKLSQQAIRV NDFWINYYPN NKIKQFYSNL SIINGDGQEV
     RSKTISVNKP LIYKDLTFYQ TDWNLLGLRI SHNNKNFQIP VIQTTQNLNK VWLTWLPLES
     NTSKNLSGET IIINNYKGTI YIYDNNGQLN KKIELSNFIE NKNYKLIEFL SVTGIQIKSD
     PGILFIYFGF GFLMVSTILS YLSFSQVWLG IDYLEQNNIK LTVNAKTNRT KVLLTTQMYK
     ITKNKR