ID   CY550_NITWI             Reviewed;         109 AA.
AC   P00085;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=Cytochrome c-550;
DE   AltName: Full=Cytochrome c550;
OS   Nitrobacter winogradskyi (Nitrobacter agilis).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Nitrobacter.
OX   NCBI_TaxID=913;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   STRAIN=ATCC 14123 / NBRC 14297 / NB-6-2;
RX   PubMed=6291614; DOI=10.1016/0167-4838(82)90390-9;
RA   Tanaka Y., Fukumori Y., Yamanaka T.;
RT   "The complete amino acid sequence of Nitrobacter agilis cytochrome c-550.";
RL   Biochim. Biophys. Acta 707:14-20(1982).
CC   -!- PTM: Binds 1 heme c group covalently per subunit.
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DR   PIR; A00077; CCNA5A.
DR   AlphaFoldDB; P00085; -.
DR   SMR; P00085; -.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProt.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; 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; IPR002327; Cyt_c_1A/1B.
DR   PANTHER; PTHR11961; PTHR11961; 1.
DR   Pfam; PF00034; Cytochrom_C; 1.
DR   PRINTS; PR00604; CYTCHRMECIAB.
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..109
FT                   /note="Cytochrome c-550"
FT                   /id="PRO_0000108385"
FT   BINDING         13
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT   BINDING         16
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                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT   BINDING         79
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   109 AA;  11739 MW;  3AE830D3C2A09461 CRC64;
     GDVEAGKAAF NKCKACHEIG ESAKNKVGPE LDGLDGRHSG AVEGYAYSPA NKASGITWTE
     AEFKEYIKDP KAKVPGTKMV FAGIKKDSEL DNLWAYVSQF DKDGKVKAK