ID   NORC_HALHD              Reviewed;         150 AA.
AC   O50651;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 94.
DE   RecName: Full=Nitric oxide reductase subunit C;
DE   AltName: Full=NOR small subunit;
DE   AltName: Full=Nitric oxide reductase cytochrome c subunit;
GN   Name=norC;
OS   Halomonas halodenitrificans (Paracoccus halodenitrificans).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Oceanospirillales;
OC   Halomonadaceae; Halomonas.
OX   NCBI_TaxID=28252;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 13511 / DSM 735 / CIP 105456 / NBRC 14912 / NCIMB 700;
RX   PubMed=9480821; DOI=10.1006/bbrc.1998.8106;
RA   Sakurai N., Sakurai T.;
RT   "Genomic DNA cloning of the region encoding nitric oxide reductase in
RT   Paracoccus halodenitrificans and a structure model relevant to cytochrome
RT   oxidase.";
RL   Biochem. Biophys. Res. Commun. 243:400-406(1998).
CC   -!- FUNCTION: Component of the anaerobic respiratory chain that transforms
CC       nitrate to dinitrogen (denitrification).
CC   -!- SUBUNIT: Heterodimer of cytochromes b (large subunit) and c (small
CC       subunit). {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000250}; Single-pass membrane
CC       protein {ECO:0000250}. Note=May be attached to the membrane by a
CC       signal-anchor. {ECO:0000250}.
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DR   EMBL; AB010889; BAA24700.1; -; Genomic_DNA.
DR   PIR; JE0165; JE0165.
DR   AlphaFoldDB; O50651; -.
DR   SMR; O50651; -.
DR   BRENDA; 1.7.2.5; 3346.
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:0070469; C:respirasome; IEA:UniProtKB-KW.
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; IPR009056; Cyt_c-like_dom.
DR   InterPro; IPR036909; Cyt_c-like_dom_sf.
DR   Pfam; PF00034; Cytochrom_C; 1.
DR   SUPFAM; SSF46626; SSF46626; 1.
DR   PROSITE; PS51007; CYTC; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Electron transport; Heme; Iron; Membrane; Metal-binding;
KW   Respiratory chain; Signal-anchor; Transmembrane; Transmembrane helix;
KW   Transport.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000250"
FT   CHAIN           2..150
FT                   /note="Nitric oxide reductase subunit C"
FT                   /id="PRO_0000108423"
FT   TRANSMEM        13..29
FT                   /note="Helical; Signal-anchor"
FT                   /evidence="ECO:0000255"
FT   BINDING         62
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   BINDING         65
FT                   /ligand="heme c"
FT                   /ligand_id="ChEBI:CHEBI:61717"
FT                   /note="covalent"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00433"
FT   BINDING         66
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   150 AA;  16773 MW;  8D613ADE2367928A CRC64;
     MADGLTKSAA RNIFYGGSLF FFLLFAALTA HSHWYMVNKS TDNEGLTESV VAGKHIWEKN
     MCINCHSIMG EGAYFAPELS NVWERYGGHQ NPEAARAGLA AWIRAQPLGT QGRRQMPAYD
     FTDEEMSSLI DFLEWTDGID DQDWPPHPAG