ID A0A2N5MKK3_9BACI Unreviewed; 253 AA.
AC A0A2N5MKK3;
DT 25-APR-2018, integrated into UniProtKB/TrEMBL.
DT 25-APR-2018, sequence version 1.
DT 24-JAN-2024, entry version 14.
DE RecName: Full=Menaquinol:cytochrome c reductase cytochrome c subunit {ECO:0000256|PIRNR:PIRNR036636};
GN ORFNames=CUU64_05645 {ECO:0000313|EMBL:PLT34886.1};
OS Bacillus sp. V5-8f.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Bacillus.
OX NCBI_TaxID=2053044 {ECO:0000313|EMBL:PLT34886.1, ECO:0000313|Proteomes:UP000235260};
RN [1] {ECO:0000313|EMBL:PLT34886.1, ECO:0000313|Proteomes:UP000235260}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=V5-8f {ECO:0000313|EMBL:PLT34886.1,
RC ECO:0000313|Proteomes:UP000235260};
RA Seuylemezian A., Cooper K., Vaishampayan P.;
RT "Comparitive Functional Genomics of Dry Heat Resistant Strains Isolated
RT from the Viking Spacecraft.";
RL Submitted (NOV-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Component of the menaquinol:cytochrome c reductase complex.
CC {ECO:0000256|PIRNR:PIRNR036636}.
CC -!- SUBUNIT: The main subunits of the menaquinol:cytochrome c complex are a
CC Rieske-type iron-sulfur protein (QcrA), a cytochrome b (QcrB) and a
CC cytochrome c (QcrC). {ECO:0000256|PIRNR:PIRNR036636}.
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the cytochrome b family.
CC {ECO:0000256|PIRNR:PIRNR036636}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:PLT34886.1}.
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DR EMBL; PGUW01000004; PLT34886.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2N5MKK3; -.
DR OrthoDB; 2380469at2; -.
DR Proteomes; UP000235260; Unassembled WGS sequence.
DR GO; GO:0016020; C: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:0005506; F:iron ion binding; IEA:InterPro.
DR Gene3D; 1.10.760.10; Cytochrome c-like domain; 1.
DR InterPro; IPR005798; Cyt_b/b6_C.
DR InterPro; IPR036150; Cyt_b/b6_C_sf.
DR InterPro; IPR009056; Cyt_c-like_dom.
DR InterPro; IPR036909; Cyt_c-like_dom_sf.
DR InterPro; IPR027387; Cytb/b6-like_sf.
DR InterPro; IPR012049; MenaQ_cyt_c_Rdtase_cyt_b/c-su.
DR PANTHER; PTHR37823; CYTOCHROME C-553-LIKE; 1.
DR PANTHER; PTHR37823:SF4; MENAQUINOL-CYTOCHROME C REDUCTASE CYTOCHROME B/C SUBUNIT; 1.
DR Pfam; PF00032; Cytochrom_B_C; 1.
DR Pfam; PF13442; Cytochrome_CBB3; 1.
DR PIRSF; PIRSF036636; QcrC; 1.
DR SUPFAM; SSF81648; a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase); 1.
DR SUPFAM; SSF46626; Cytochrome c; 1.
DR PROSITE; PS51003; CYTB_CTER; 1.
DR PROSITE; PS51007; CYTC; 1.
PE 3: Inferred from homology;
KW Electron transport {ECO:0000256|ARBA:ARBA00022982,
KW ECO:0000256|PIRNR:PIRNR036636};
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRSR:PIRSR036636-50};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR036636-51};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR036636-51};
KW Reference proteome {ECO:0000313|Proteomes:UP000235260};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|PIRNR:PIRNR036636}.
FT TRANSMEM 46..64
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 105..124
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 136..154
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 27..154
FT /note="Cytochrome b/b6 C-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51003"
FT DOMAIN 178..251
FT /note="Cytochrome c"
FT /evidence="ECO:0000259|PROSITE:PS51007"
FT BINDING 191
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR036636-50"
FT BINDING 194
FT /ligand="heme c"
FT /ligand_id="ChEBI:CHEBI:61717"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR036636-50"
FT BINDING 195
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:0000256|PIRSR:PIRSR036636-51"
SQ SEQUENCE 253 AA; 27720 MW; 4EF4466356E55DC4 CRC64;
MHRGKGMKFV GDSRVPAARK PNIPKDYSEY PGKTEAFWPN FLLKEWMVGA VFLIGYLCLT
VAHPSPLEKI ADPTDTAYIP LPDWYFLFLY QLLKYTYASG PYNVIGALVI PGLAFGALLL
APFIDRGPQR RPSKRPFATG FMLLAVAAVF YLTWQSVVTH DWEAAKKQGQ IVAESSVDKE
SDGYKHYKAS CAGCHGNELS GGTGPKLLDT GLAPEEVAKI AREGKGAMPP GVFKGSDEEL
KVLAEFISNA KTE
//