ID   CCS1_PORPU              Reviewed;         437 AA.
AC   P51363;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   25-MAY-2022, entry version 57.
DE   RecName: Full=Cytochrome c biogenesis protein Ccs1 {ECO:0000255|HAMAP-Rule:MF_01392};
DE   AltName: Full=ORF437;
GN   Name=ccs1 {ECO:0000255|HAMAP-Rule:MF_01392}; Synonyms=ycf44;
OS   Porphyra purpurea (Red seaweed) (Ulva purpurea).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Porphyra.
OX   NCBI_TaxID=2787;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Avonport;
RA   Reith M.E., Munholland J.;
RT   "Complete nucleotide sequence of the Porphyra purpurea chloroplast
RT   genome.";
RL   Plant Mol. Biol. Rep. 13:333-335(1995).
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; U38804; AAC08249.1; -; Genomic_DNA.
DR   PIR; S73284; S73284.
DR   RefSeq; NP_053973.1; NC_000925.1.
DR   AlphaFoldDB; P51363; -.
DR   GeneID; 810002; -.
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..437
FT                   /note="Cytochrome c biogenesis protein Ccs1"
FT                   /id="PRO_0000217364"
FT   TRANSMEM        23..43
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        82..102
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
FT   TRANSMEM        168..188
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01392"
SQ   SEQUENCE   437 AA;  50195 MW;  59F02A977B3A1BD9 CRC64;
     MQINLKFKKK DVRWYLLRLF SNLQFSIILL LVIASFSVIG TIIEQNKDLD FYQAHYSVSG
     EHFIILNWKN IELFGLNHVY TTWWFLTLLF IFSLSLLVCS LSRQIPSLQN ARRWCFYKNP
     NQFKKFTGSQ EIQKTTLHLV ASCLQKFNYH IFQQGNSIYC YKGLLGRLAP IFVHASIILL
     LIGSVLGLVS GFSAQEMVPS GELFRLQNII ASGQFSYIPQ DFSARVNNFI IEYNQDNSIS
     QFFSDISILD TEGTELKHST IHVNSPLQFK GLTIYQTDWD IIAIRIKINN TDTLQIPLKK
     VVLPNNKIWV GLIAQDQDNQ LALVLQDLQK QATLYNKSGE KIMSVTIGEK YFIDNNIIAF
     LSIVPSTGLQ IKSDPGIPIV YTSFFFLITS VSVSYISYSQ IWIIEKKHRF YIGGVTNRAQ
     LTFEEELLKI SNRSSKI