ID   CY551_HALHR             Reviewed;          79 AA.
AC   P38587;
DT   01-OCT-1994, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1994, sequence version 1.
DT   03-AUG-2022, entry version 70.
DE   RecName: Full=Cytochrome c-551;
DE   AltName: Full=Cytochrome c551;
OS   Halorhodospira halochloris (Ectothiorhodospira halochloris).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Chromatiales;
OC   Ectothiorhodospiraceae; Halorhodospira.
OX   NCBI_TaxID=1052;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=8215425; DOI=10.1006/abbi.1993.1484;
RA   Ambler R.P., Meyer T.E., Kamen M.D.;
RT   "Amino acid sequences of cytochromes c-551 from the halophilic purple
RT   phototrophic bacteria, Ectothiorhodospira halophila and E. halochloris.";
RL   Arch. Biochem. Biophys. 306:83-93(1993).
CC   -!- PTM: Binds 1 heme c group covalently per subunit.
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DR   PIR; S38756; S38756.
DR   AlphaFoldDB; P38587; -.
DR   SMR; P38587; -.
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   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   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   Transport.
FT   CHAIN           1..79
FT                   /note="Cytochrome c-551"
FT                   /id="PRO_0000108393"
FT   REGION          1..35
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..17
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         14
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT   BINDING         17
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT   BINDING         18
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         55
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   79 AA;  8355 MW;  EA6CEA2EF2BA5995 CRC64;
     DGQSIYESGT SPTCASCHDR GTAGAPKINE PGDWDGIDLD AEALVDSTMD GKGAMPAYDG
     RADRDEVKEA VEYMLSTIE