ID   CYCM_RICBR              Reviewed;         173 AA.
AC   Q1RHX7;
DT   29-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT   16-MAY-2006, sequence version 1.
DT   27-MAR-2024, entry version 105.
DE   RecName: Full=Cytochrome c homolog;
GN   Name=cycM; OrderedLocusNames=RBE_0956;
OS   Rickettsia bellii (strain RML369-C).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Rickettsiales;
OC   Rickettsiaceae; Rickettsieae; Rickettsia; belli group.
OX   NCBI_TaxID=336407;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=RML369-C;
RX   PubMed=16703114; DOI=10.1371/journal.pgen.0020076;
RA   Ogata H., La Scola B., Audic S., Renesto P., Blanc G., Robert C.,
RA   Fournier P.-E., Claverie J.-M., Raoult D.;
RT   "Genome sequence of Rickettsia bellii illuminates the role of amoebae in
RT   gene exchanges between intracellular pathogens.";
RL   PLoS Genet. 2:733-744(2006).
CC   -!- FUNCTION: May be involved in electron transfer from bc1 complex to aa3.
CC       {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250}; Single-pass type II
CC       membrane protein {ECO:0000250}.
CC   -!- PTM: Binds 1 heme c group covalently per subunit. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the cytochrome c family. {ECO:0000305}.
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DR   EMBL; CP000087; ABE05037.1; -; Genomic_DNA.
DR   RefSeq; WP_011477618.1; NC_007940.1.
DR   AlphaFoldDB; Q1RHX7; -.
DR   SMR; Q1RHX7; -.
DR   KEGG; rbe:RBE_0956; -.
DR   eggNOG; COG3474; Bacteria.
DR   HOGENOM; CLU_060944_4_0_5; -.
DR   OrthoDB; 9805828at2; -.
DR   Proteomes; UP000001951; Chromosome.
DR   GO; GO:0005886; C:plasma membrane; 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; Cytochrome c-like domain; 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; CYTOCHROME C; 1.
DR   PANTHER; PTHR11961:SF56; CYTOCHROME C-1; 1.
DR   Pfam; PF00034; Cytochrom_C; 1.
DR   PRINTS; PR00604; CYTCHRMECIAB.
DR   SUPFAM; SSF46626; Cytochrome c; 1.
DR   PROSITE; PS51007; CYTC; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Electron transport; Heme; Iron; Membrane; Metal-binding;
KW   Reference proteome; Signal-anchor; Transmembrane; Transmembrane helix;
KW   Transport.
FT   CHAIN           1..173
FT                   /note="Cytochrome c homolog"
FT                   /id="PRO_0000288755"
FT   TOPO_DOM        1..8
FT                   /note="Cytoplasmic"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        9..29
FT                   /note="Helical; Signal-anchor"
FT                   /evidence="ECO:0000255"
FT   TOPO_DOM        30..173
FT                   /note="Periplasmic"
FT                   /evidence="ECO:0000255"
FT   BINDING         82
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   BINDING         85
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   BINDING         86
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                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   BINDING         148
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                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
SQ   SEQUENCE   173 AA;  18831 MW;  E7BB19C8EFADCF72 CRC64;
     MSGKELNKIV AAILFASLIA MMVGFIANIL YKPVLEPKHR GYSIAVQEVS EAPTTQAQAP
     INIPELMKTA NADNGREIAK KCLMCHSLDK DGPNKIGPHL WDVAGRPKAS ITDYKYSPAL
     SALGGNWDDD SLFAFLHKPS SYAPGTKMSF AGISKPQDIA DVILFLKTYV HDK
//