ID   C562_ECOL6              Reviewed;         128 AA.
AC   Q8CVG7;
DT   25-OCT-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 87.
DE   RecName: Full=Soluble cytochrome b562;
DE            Short=Cytochrome b-562;
DE   Flags: Precursor;
GN   Name=cybC; OrderedLocusNames=c5335;
OS   Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=199310;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CFT073 / ATCC 700928 / UPEC;
RX   PubMed=12471157; DOI=10.1073/pnas.252529799;
RA   Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P., Rasko D.,
RA   Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D., Mayhew G.F.,
RA   Rose D.J., Zhou S., Schwartz D.C., Perna N.T., Mobley H.L.T.,
RA   Donnenberg M.S., Blattner F.R.;
RT   "Extensive mosaic structure revealed by the complete genome sequence of
RT   uropathogenic Escherichia coli.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002).
CC   -!- FUNCTION: Electron-transport protein of unknown function.
CC       {ECO:0000250}.
CC   -!- COFACTOR:
CC       Name=heme b; Xref=ChEBI:CHEBI:60344; Evidence={ECO:0000250};
CC       Note=Binds 1 heme b (iron(II)-protoporphyrin IX) group per molecule.
CC       {ECO:0000250};
CC   -!- SUBUNIT: Monomer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Periplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the cytochrome b562 family. {ECO:0000305}.
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DR   EMBL; AE014075; AAN83756.1; -; Genomic_DNA.
DR   RefSeq; WP_001232253.1; NC_004431.1.
DR   AlphaFoldDB; Q8CVG7; -.
DR   BMRB; Q8CVG7; -.
DR   SMR; Q8CVG7; -.
DR   STRING; 199310.c5335; -.
DR   EnsemblBacteria; AAN83756; AAN83756; c5335.
DR   KEGG; ecc:c5335; -.
DR   eggNOG; COG3783; Bacteria.
DR   HOGENOM; CLU_140814_1_1_6; -.
DR   OMA; ATRNENH; -.
DR   BioCyc; ECOL199310:C5335-MON; -.
DR   Proteomes; UP000001410; Chromosome.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
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   InterPro; IPR009155; Cyt_b562.
DR   InterPro; IPR010980; Cyt_c/b562.
DR   Pfam; PF07361; Cytochrom_B562; 1.
DR   PIRSF; PIRSF000029; Cytochrome_b562; 1.
DR   SUPFAM; SSF47175; SSF47175; 1.
PE   3: Inferred from homology;
KW   Electron transport; Heme; Iron; Metal-binding; Periplasm; Signal;
KW   Transport.
FT   SIGNAL          1..22
FT                   /evidence="ECO:0000250"
FT   CHAIN           23..128
FT                   /note="Soluble cytochrome b562"
FT                   /id="PRO_0000042669"
FT   BINDING         29
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000250"
FT   BINDING         124
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   128 AA;  14017 MW;  A3C5D51E9A496659 CRC64;
     MRKSLLAILA VSSLVFSSAS FAADLEDNME TLNDNLKVVE KADNAVQVKD ALTKMRAAAL
     DAQKATPPKL EGKSPDSPEM KDFRHGFDIL VGQIDDALKL ANEGKVKEAQ AAAEQLKTTR
     NAYHQKYR