ID   C555_PROAE              Reviewed;          99 AA.
AC   P00124;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 72.
DE   RecName: Full=Cytochrome c-555;
DE   AltName: Full=Cytochrome c555;
OS   Prosthecochloris aestuarii.
OC   Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae;
OC   Prosthecochloris.
OX   NCBI_TaxID=1102;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=188412; DOI=10.1042/bj1590757;
RA   van Beeumen J., Ambler R.P., Meyer T.E., Kamen M.D., Olson J.M., Shaw E.K.;
RT   "The amino acid sequences of the cytochromes c-555 from two green sulphur
RT   bacteria of the genus Chlorobium.";
RL   Biochem. J. 159:757-769(1976).
RN   [2]
RP   TAXONOMY.
RA   Olson J.M.;
RT   "Confused history of Chloropseudomonas ethylica 2K.";
RL   Int. J. Syst. Bacteriol. 28:128-129(1978).
CC   -!- PTM: Binds 1 heme c group covalently per subunit.
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DR   PIR; A00117; CCPH55.
DR   AlphaFoldDB; P00124; -.
DR   SMR; P00124; -.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0005506; F:iron ion binding; IEA:InterPro.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.760.10; -; 1.
DR   InterPro; IPR009056; Cyt_c-like_dom.
DR   InterPro; IPR036909; Cyt_c-like_dom_sf.
DR   InterPro; IPR002323; Cyt_CIE.
DR   PANTHER; PTHR40942; PTHR40942; 1.
DR   Pfam; PF13442; Cytochrome_CBB3; 1.
DR   PRINTS; PR00607; CYTCHROMECIE.
DR   SUPFAM; SSF46626; SSF46626; 1.
DR   PROSITE; PS51007; CYTC; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Electron transport; Heme; Iron; Metal-binding;
KW   Photosynthesis; Transport.
FT   CHAIN           1..99
FT                   /note="Cytochrome c-555"
FT                   /id="PRO_0000108409"
FT   BINDING         23
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT   BINDING         26
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT   BINDING         27
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT   BINDING         73
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
SQ   SEQUENCE   99 AA;  10473 MW;  4E910EA69654466E CRC64;
     AVTKADVEQY DLANGKTVYD ANCASCHAAG IMGAPKTGTA RKWNSRLPQG LATMIEKSVA
     GYEGEYRGSK TFMPAKGGNP DLTDKQVGDA VAYMVNEVL