ID   CY550_STANO             Reviewed;         107 AA.
AC   P23021;
DT   01-NOV-1991, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1991, sequence version 1.
DT   03-AUG-2022, entry version 89.
DE   RecName: Full=Cytochrome c-550;
DE   AltName: Full=Cytochrome c550;
DE   Flags: Fragment;
OS   Starkeya novella (Thiobacillus novellus).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Xanthobacteraceae; Starkeya.
OX   NCBI_TaxID=921;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=1646018; DOI=10.1016/s0005-2728(05)80267-1;
RA   Yamanaka T., Nagano T., Shoji K., Fukumori Y.;
RT   "Cytochromes c of Nitrobacter winogradskyi and Thiobacillus novellus:
RT   structure, function and evolution.";
RL   Biochim. Biophys. Acta 1058:48-51(1991).
RN   [2]
RP   PROTEIN SEQUENCE.
RA   Yamanaka T., Nagano T., Shoji K., Fukumori Y.;
RL   Viva Orig. 19:72-73(1991).
CC   -!- PTM: Binds 1 heme c group covalently per subunit.
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DR   PIR; JU0381; JU0381.
DR   AlphaFoldDB; P23021; -.
DR   SMR; P23021; -.
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..107
FT                   /note="Cytochrome c-550"
FT                   /id="PRO_0000108387"
FT   BINDING         11
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT   BINDING         14
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT   BINDING         15
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         80
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   NON_TER         1
SQ   SEQUENCE   107 AA;  11592 MW;  9F743B5B9503833F CRC64;
     PAKGANVFWK CMACHAVGEG AKNKVGPELN GIIGRKMGSI EGFNYSDTLK EHNAKGDVWT
     AEILSQYLAN PKGYMPGVKM VFAGLPKEIR ADDLEAYLKT FNADGTK