NAPC_PARPN
ID NAPC_PARPN Reviewed; 237 AA.
AC Q56352;
DT 01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1996, sequence version 1.
DT 03-AUG-2022, entry version 93.
DE RecName: Full=Cytochrome c-type protein NapC;
GN Name=napC;
OS Paracoccus pantotrophus (Thiosphaera pantotropha).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC Rhodobacteraceae; Paracoccus.
OX NCBI_TaxID=82367;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=ATCC 35512 / DSM 2944 / CIP 106514 / LMD 82.5 / NBRC 102493 / NCCB
RC 82005 / GB17;
RX PubMed=7639719; DOI=10.1042/bj3090983;
RA Berks B.C., Richardson D.J., Reilly A., Willis A.C., Ferguson S.J.;
RT "The napEDABC gene cluster encoding the periplasmic nitrate reductase
RT system of Thiosphaera pantotropha.";
RL Biochem. J. 309:983-992(1995).
CC -!- FUNCTION: Mediates electron flow from quinones to the NapAB complex.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane; Single-pass membrane
CC protein.
CC -!- PTM: Binds 4 heme groups per subunit. {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the NapC/NirT/NrfH family. {ECO:0000305}.
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DR EMBL; Z36773; CAA85348.1; -; Genomic_DNA.
DR PIR; S56137; S56137.
DR AlphaFoldDB; Q56352; -.
DR STRING; 935565.JAEM01000057_gene18; -.
DR eggNOG; COG3005; Bacteria.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
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; -; 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 Pfam; PF03264; Cytochrom_NNT; 1.
DR PIRSF; PIRSF000013; 4_hem_cytochrm_NapC; 1.
DR SUPFAM; SSF48695; SSF48695; 1.
DR TIGRFAMs; TIGR02161; napC_nirT; 1.
DR PROSITE; PS51008; MULTIHEME_CYTC; 1.
PE 3: Inferred from homology;
KW Cell inner membrane; Cell membrane; Electron transport; Heme; Iron;
KW Membrane; Metal-binding; Transmembrane; Transmembrane helix; Transport.
FT CHAIN 1..237
FT /note="Cytochrome c-type protein NapC"
FT /id="PRO_0000108436"
FT TOPO_DOM 1..28
FT /note="Cytoplasmic"
FT /evidence="ECO:0000255"
FT TRANSMEM 29..49
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TOPO_DOM 50..237
FT /note="Periplasmic"
FT /evidence="ECO:0000255"
FT BINDING 62
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="1"
FT /note="covalent"
FT /evidence="ECO:0000250|UniProtKB:Q72EF4"
FT BINDING 65
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="1"
FT /note="covalent"
FT /evidence="ECO:0000250|UniProtKB:Q72EF4"
FT BINDING 68
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:0000250|UniProtKB:Q72EF4"
FT BINDING 92
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="2"
FT /note="covalent"
FT /evidence="ECO:0000250|UniProtKB:Q72EF4"
FT BINDING 95
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="2"
FT /note="covalent"
FT /evidence="ECO:0000250|UniProtKB:Q72EF4"
FT BINDING 96
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:0000250|UniProtKB:Q72EF4"
FT BINDING 108
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:Q72EF4"
FT BINDING 114
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:0000250|UniProtKB:Q72EF4"
FT BINDING 152
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="3"
FT /note="covalent"
FT /evidence="ECO:0000250|UniProtKB:Q72EF4"
FT BINDING 155
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="3"
FT /note="covalent"
FT /evidence="ECO:0000250|UniProtKB:Q72EF4"
FT BINDING 156
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:0000250|UniProtKB:Q72EF4"
FT BINDING 185
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="4"
FT /note="covalent"
FT /evidence="ECO:0000250|UniProtKB:Q72EF4"
FT BINDING 188
FT /ligand="heme"
FT /ligand_id="ChEBI:CHEBI:30413"
FT /ligand_label="4"
FT /note="covalent"
FT /evidence="ECO:0000250|UniProtKB:Q72EF4"
FT BINDING 189
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:0000250|UniProtKB:Q72EF4"
FT BINDING 194
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:0000250|UniProtKB:Q72EF4"
SQ SEQUENCE 237 AA; 27236 MW; 581EB94D73A9766A CRC64;
MGWIRASIRW IWGRVTWFWR VISRPSSFLS IGFLTLGGFI CGVIFWGGFN TALEITNTEK
FCTSCHEMRD NVYQELMPTV HFSNRSGVRA SCPDCHVPHE WTDKIARKMQ ASKEVWGKIF
GTISTREKFL EKRLELAKHE WARLKANDSL ECRNCHAAVA MDFTKQTRRA PQIHERYLIS
GEKTCIDCHK GIAHQLPDMT GIEPGWLEPP ELRGEEQAWL GGGAEAVHRY LATVETR
