ID Q93HW9_MAGMG Unreviewed; 213 AA.
AC Q93HW9;
DT 01-DEC-2001, integrated into UniProtKB/TrEMBL.
DT 01-DEC-2001, sequence version 1.
DT 27-MAR-2024, entry version 66.
DE RecName: Full=Cytochrome c-type protein {ECO:0000256|PIRNR:PIRNR000013};
GN Name=napC {ECO:0000313|EMBL:BAB59026.1};
OS Magnetospirillum magnetotacticum (Aquaspirillum magnetotacticum).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Magnetospirillaceae; Paramagnetospirillum.
OX NCBI_TaxID=188 {ECO:0000313|EMBL:BAB59026.1};
RN [1] {ECO:0000313|EMBL:BAB59026.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=MS-1 {ECO:0000313|EMBL:BAB59026.1};
RA Taoka A., Fukumori Y.;
RT "Cloning and sequencing of periplasmic nitrate reductase gene cluster from
RT magnetotactic bacterium Magnetospirillum magnetotacticum.";
RL Submitted (FEB-2001) to the EMBL/GenBank/DDBJ databases.
CC -!- COFACTOR:
CC Name=heme; Xref=ChEBI:CHEBI:30413;
CC Evidence={ECO:0000256|PIRSR:PIRSR000013-1};
CC Note=Binds 4 heme groups per subunit. {ECO:0000256|PIRSR:PIRSR000013-
CC 1};
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004167}; Single-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004167}.
CC -!- PTM: Binds 4 heme groups per subunit. {ECO:0000256|PIRNR:PIRNR000013}.
CC -!- SIMILARITY: Belongs to the NapC/NirT/NrfH family.
CC {ECO:0000256|ARBA:ARBA00007395}.
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DR EMBL; AB055444; BAB59026.1; -; Genomic_DNA.
DR AlphaFoldDB; Q93HW9; -.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-KW.
DR GO; GO:0020037; F:heme binding; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0019333; P:denitrification pathway; IEA:InterPro.
DR Gene3D; 1.10.3820.10; Di-heme elbow motif domain; 1.
DR InterPro; IPR036280; Multihaem_cyt_sf.
DR InterPro; IPR024717; NapC/NirT/NrfH.
DR InterPro; IPR005126; NapC/NirT_cyt_c_N.
DR InterPro; IPR038266; NapC/NirT_cytc_sf.
DR InterPro; IPR011885; NO3Rdtase_cyt_c_NapC/NirT.
DR NCBIfam; TIGR02161; napC_nirT; 1.
DR PANTHER; PTHR30333; CYTOCHROME C-TYPE PROTEIN; 1.
DR PANTHER; PTHR30333:SF1; CYTOCHROME C-TYPE PROTEIN NAPC; 1.
DR Pfam; PF03264; Cytochrom_NNT; 1.
DR PIRSF; PIRSF000013; 4_hem_cytochrm_NapC; 1.
DR SUPFAM; SSF48695; Multiheme cytochromes; 1.
PE 3: Inferred from homology;
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW Electron transport {ECO:0000256|ARBA:ARBA00022982,
KW ECO:0000256|PIRNR:PIRNR000013};
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRNR:PIRNR000013};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRNR:PIRNR000013};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRNR:PIRNR000013};
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:PIRNR000013}.
FT TRANSMEM 26..46
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 22..193
FT /note="NapC/NirT cytochrome c N-terminal"
FT /evidence="ECO:0000259|Pfam:PF03264"
FT BINDING 59
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="1"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-1"
FT BINDING 62
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="1"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-1"
FT BINDING 65
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="1"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-2"
FT BINDING 89
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="2"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-1"
FT BINDING 92
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="2"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-1"
FT BINDING 93
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="2"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-2"
FT BINDING 111
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="1"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-2"
FT BINDING 149
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="3"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-1"
FT BINDING 152
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="3"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-1"
FT BINDING 153
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="3"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-2"
FT BINDING 181
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="4"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-1"
FT BINDING 184
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="4"
FT /note="covalent"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-1"
FT BINDING 185
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="4"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-2"
FT BINDING 190
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="2"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR000013-2"
SQ SEQUENCE 213 AA; 24419 MW; EAC32D308B0C9E9F CRC64;
MSTENPAKQG VLREWWATLR RPSGRWSLGL LLVVGFVGGV IFWGGFNTVL ELTNTEAFCL
SCHEMEQNVY REYRGSIHDS NRSGVRATCP DCHVPRPWIY KIQRKIQASN EVWHKLLGSI
DTREKFEAKR IELAKHEWER MKSTDSRECR NCHNFGAFDL TRQQARARNR HSEAEQQGKT
CIDCHKGIAH QLPAGAFRAE RELNESLGGA VKP
//
