ID   CYC4_ALIFS              Reviewed;          25 AA.
AC   P80891;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   15-JUL-1998, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Putative cytochrome c4;
DE   AltName: Full=Cytochrome c551;
DE   Flags: Fragment;
OS   Aliivibrio fischeri (Vibrio fischeri).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Aliivibrio.
OX   NCBI_TaxID=668;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   STRAIN=ATCC 33715 / Y-1;
RX   PubMed=9183020; DOI=10.1111/j.1432-1033.1997.00790.x;
RA   Petushkov V.N., Lee J.;
RT   "Purification and characterization of flavoproteins and cytochromes from
RT   the yellow bioluminescence marine bacterium Vibrio fischeri strain Y1.";
RL   Eur. J. Biochem. 245:790-796(1997).
CC   -!- FUNCTION: Diheme, high potential cytochrome c believed to be an
CC       intermediate electron donor to terminal oxidation systems.
CC       {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Periplasm {ECO:0000250}.
CC   -!- PTM: Binds 2 heme groups per subunit. {ECO:0000250}.
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DR   AlphaFoldDB; P80891; -.
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:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.760.10; -; 1.
DR   InterPro; IPR036909; Cyt_c-like_dom_sf.
DR   SUPFAM; SSF46626; SSF46626; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Electron transport; Heme; Iron; Metal-binding;
KW   Periplasm; Transport.
FT   CHAIN           1..>25
FT                   /note="Putative cytochrome c4"
FT                   /id="PRO_0000108365"
FT   REGION          1..25
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         14
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_label="1"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   BINDING         17
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_label="1"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   UNSURE          14
FT   UNSURE          17
FT   NON_TER         25
SQ   SEQUENCE   25 AA;  2594 MW;  CFB0D9A5933186C7 CRC64;
     QEDIEAGKQK SATCTACHGQ EGNST