ID   CYC31_DESAC             Reviewed;          32 AA.
AC   P81078;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   03-AUG-2022, entry version 50.
DE   RecName: Full=Cytochrome c3, 10 kDa;
DE   Flags: Fragment;
OS   Desulfuromonas acetoxidans (Chloropseudomonas ethylica).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfuromonadales;
OC   Desulfuromonadaceae; Desulfuromonas.
OX   NCBI_TaxID=891;
RN   [1]
RP   PROTEIN SEQUENCE, AND CHARACTERIZATION.
RX   PubMed=9271490; DOI=10.1021/bi9707741;
RA   Bruschi M., Woudstra M., Guigliarelli B., Asso M., Lojou E., Petillot Y.,
RA   Abergel C.;
RT   "Biochemical and spectroscopic characterization of two new cytochromes
RT   isolated from Desulfuromonas acetoxidans.";
RL   Biochemistry 36:10601-10608(1997).
CC   -!- FUNCTION: Participates in sulfate respiration coupled with
CC       phosphorylation by transferring electrons from the enzyme dehydrogenase
CC       to ferredoxin.
CC   -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC       Redox potential:
CC         E(0) is -220 mV.;
CC   -!- SUBUNIT: Monomer.
CC   -!- SUBCELLULAR LOCATION: Periplasm.
CC   -!- PTM: Binds 1 heme group per subunit.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   AlphaFoldDB; P81078; -.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0009061; P:anaerobic respiration; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Electron transport; Heme; Iron; Metal-binding;
KW   Periplasm; Sulfate respiration; Transport.
FT   CHAIN           1..>32
FT                   /note="Cytochrome c3, 10 kDa"
FT                   /id="PRO_0000108355"
FT   BINDING         16
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT   BINDING         25
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /note="covalent"
FT   BINDING         28
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /note="covalent"
FT   BINDING         29
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT   NON_TER         32
SQ   SEQUENCE   32 AA;  3664 MW;  98F0D394A34E8E23 CRC64;
     ADSLTQFDGI KGRYSHEAFY EEKACDSCHL NK