ID   CCS1_GUITH              Reviewed;         414 AA.
AC   O78437;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1998, sequence version 1.
DT   25-MAY-2022, entry version 79.
DE   RecName: Full=Cytochrome c biogenesis protein Ccs1 {ECO:0000255|HAMAP-Rule:MF_01392};
GN   Name=ccs1 {ECO:0000255|HAMAP-Rule:MF_01392}; Synonyms=ycf44;
OS   Guillardia theta (Cryptophyte) (Cryptomonas phi).
OG   Plastid; Chloroplast.
OC   Eukaryota; Cryptophyceae; Pyrenomonadales; Geminigeraceae; Guillardia.
OX   NCBI_TaxID=55529;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=9929392; DOI=10.1007/pl00006462;
RA   Douglas S.E., Penny S.L.;
RT   "The plastid genome of the cryptophyte alga, Guillardia theta: complete
RT   sequence and conserved synteny groups confirm its common ancestry with red
RT   algae.";
RL   J. Mol. Evol. 48:236-244(1999).
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; AF041468; AAC35622.1; -; Genomic_DNA.
DR   RefSeq; NP_050688.1; NC_000926.1.
DR   AlphaFoldDB; O78437; -.
DR   GeneID; 856978; -.
DR   HOGENOM; CLU_034630_0_0_1; -.
DR   OMA; RFWIDYT; -.
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..414
FT                   /note="Cytochrome c biogenesis protein Ccs1"
FT                   /id="PRO_0000217362"
FT   TRANSMEM        14..34
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        73..93
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   414 AA;  47777 MW;  E5C2D8E04CDB03D7 CRC64;
     MNYIIKFLNK LNNLTVAIII LLAIALASAL GTVIEQNKNT DFYLKNYPLT KPLFNFVTSD
     LILKFGLDHV YTSWWFIFLI ILLLLSLTLC TITRQLPALK LARLWQFYTN FNTKAKFQIR
     FKTNSSSLTK LTYYLEEKNY KIKHFNHFVY AYKGIFGRVS PIIVHFSLVI VLIGSMLSTT
     QGRTQEAFIV VNQEKPVLDT YEAYVNDFKI AYNSQGLIDQ FYSDLILETR QASKIQKTIY
     VNEPLNYSNI TIYQTDWNID NLVICIDNQN YYSIPLQFIE LPNGSESKYW INRLDLFGQS
     VFCVVNDLTG IVYLYNQNKD LICISSLGEF ITLNGHTITF NKLVASTGLQ FKLDSFIPLV
     YLGFLLLMIS TLLSYISYSQ VWLVKNGSTT YIFGSTNRAK FAFIKQLTEI ANQC