ID B1VFQ3_CORU7 Unreviewed; 473 AA.
AC B1VFQ3;
DT 20-MAY-2008, integrated into UniProtKB/TrEMBL.
DT 20-MAY-2008, sequence version 1.
DT 27-MAR-2024, entry version 96.
DE RecName: Full=Mercuric reductase {ECO:0000256|ARBA:ARBA00014791};
DE EC=1.16.1.1 {ECO:0000256|ARBA:ARBA00012661};
DE AltName: Full=Hg(II) reductase {ECO:0000256|ARBA:ARBA00031725};
GN OrderedLocusNames=cu0632 {ECO:0000313|EMBL:CAQ04592.1};
OS Corynebacterium urealyticum (strain ATCC 43042 / DSM 7109).
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales;
OC Corynebacteriaceae; Corynebacterium.
OX NCBI_TaxID=504474 {ECO:0000313|EMBL:CAQ04592.1, ECO:0000313|Proteomes:UP000001727};
RN [1] {ECO:0000313|EMBL:CAQ04592.1, ECO:0000313|Proteomes:UP000001727}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43042 / DSM 7109 {ECO:0000313|Proteomes:UP000001727};
RX PubMed=18367281; DOI=10.1016/j.jbiotec.2008.02.009;
RA Tauch A., Trost E., Tilker A., Ludewig U., Schneiker S., Goesmann A.,
RA Arnold W., Bekel T., Brinkrolf K., Brune I., Goetker S., Kalinowski J.,
RA Kamp P.-B., Lobo F.P., Viehoever P., Weisshaar B., Soriano F., Droege M.,
RA Puehler A.;
RT "The lifestyle of Corynebacterium urealyticum derived from its complete
RT genome sequence established by pyrosequencing.";
RL J. Biotechnol. 136:11-21(2008).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + Hg + NADP(+) = Hg(2+) + NADPH; Xref=Rhea:RHEA:23856,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:16170, ChEBI:CHEBI:16793,
CC ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.16.1.1;
CC Evidence={ECO:0000256|ARBA:ARBA00000896};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|PIRSR:PIRSR000350-3};
CC Note=Binds 1 FAD per subunit. {ECO:0000256|PIRSR:PIRSR000350-3};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SIMILARITY: Belongs to the class-I pyridine nucleotide-disulfide
CC oxidoreductase family. {ECO:0000256|ARBA:ARBA00007532,
CC ECO:0000256|RuleBase:RU003691}.
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DR EMBL; AM942444; CAQ04592.1; -; Genomic_DNA.
DR RefSeq; WP_012359884.1; NC_010545.1.
DR AlphaFoldDB; B1VFQ3; -.
DR STRING; 504474.cu0632; -.
DR GeneID; 60603408; -.
DR KEGG; cur:cu0632; -.
DR eggNOG; COG1249; Bacteria.
DR HOGENOM; CLU_016755_1_1_11; -.
DR Proteomes; UP000001727; Chromosome.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0016152; F:mercury (II) reductase activity; IEA:UniProtKB-EC.
DR GO; GO:0045340; F:mercury ion binding; IEA:InterPro.
DR GO; GO:0050661; F:NADP binding; IEA:InterPro.
DR GO; GO:0016668; F:oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor; IEA:InterPro.
DR GO; GO:0050787; P:detoxification of mercury ion; IEA:InterPro.
DR Gene3D; 3.30.390.30; -; 1.
DR Gene3D; 3.50.50.60; FAD/NAD(P)-binding domain; 2.
DR InterPro; IPR036188; FAD/NAD-bd_sf.
DR InterPro; IPR023753; FAD/NAD-binding_dom.
DR InterPro; IPR016156; FAD/NAD-linked_Rdtase_dimer_sf.
DR InterPro; IPR021179; Mercury_reductase_MerA.
DR InterPro; IPR001100; Pyr_nuc-diS_OxRdtase.
DR InterPro; IPR004099; Pyr_nucl-diS_OxRdtase_dimer.
DR InterPro; IPR012999; Pyr_OxRdtase_I_AS.
DR NCBIfam; TIGR02053; MerA; 1.
DR PANTHER; PTHR43014; MERCURIC REDUCTASE; 1.
DR PANTHER; PTHR43014:SF4; PYRIDINE NUCLEOTIDE-DISULFIDE OXIDOREDUCTASE RCLA-RELATED; 1.
DR Pfam; PF07992; Pyr_redox_2; 1.
DR Pfam; PF02852; Pyr_redox_dim; 1.
DR PIRSF; PIRSF000350; Mercury_reductase_MerA; 1.
DR PRINTS; PR00368; FADPNR.
DR PRINTS; PR00411; PNDRDTASEI.
DR SUPFAM; SSF51905; FAD/NAD(P)-binding domain; 1.
DR SUPFAM; SSF55424; FAD/NAD-linked reductases, dimerisation (C-terminal) domain; 1.
DR PROSITE; PS00076; PYRIDINE_REDOX_1; 1.
PE 3: Inferred from homology;
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRSR:PIRSR000350-3};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630,
KW ECO:0000256|RuleBase:RU003691};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW NAD {ECO:0000256|PIRSR:PIRSR000350-3};
KW Nucleotide-binding {ECO:0000256|PIRSR:PIRSR000350-3};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU003691};
KW Redox-active center {ECO:0000256|ARBA:ARBA00023284,
KW ECO:0000256|RuleBase:RU003691};
KW Reference proteome {ECO:0000313|Proteomes:UP000001727}.
FT DOMAIN 5..332
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 353..457
FT /note="Pyridine nucleotide-disulphide oxidoreductase
FT dimerisation"
FT /evidence="ECO:0000259|Pfam:PF02852"
FT BINDING 51
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 149..151
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 186..193
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 276
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 317
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT DISULFID 42..47
FT /note="Redox-active"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-4"
SQ SEQUENCE 473 AA; 49059 MW; 951DB3DC835A3A8C CRC64;
MPTKYDLAII GSGGGAFAAA IRASTLGKSV VMIERGTLGG TCVNTGCVPS KTLIAAAGAR
HVAVDAATRF PGIATTADPV DMPALIAGKQ ALVESLRGEK YADVADSYGW QVLRGDASFV
GTPDAPVLDV AGSDGSVETI EAHHYLVATG SRPWAPPIDG LEETGYLTST MAMELTEVPE
SLLVLGGGYV ALEQAQLFAR LGSQVTLLVR SRLASKEEPE VSKALQEVFA DEGIRVVSRA
VPTRVSRGTG GEAVVTAALS GGSQEFRADQ VLVALGRRPV TDGLNLDAVG VNTGDSGEVV
ISDRLQSSNP RVWAAGDVTG HPEFVYVAAH HGTLVAENAF ADADRSVDYA RLPRVTFTGP
AIGAVGMTEK DVLAAGIRCD CRVLPLHHVP RALVNRDTRG FIKIVVNAET NEILGLTAVA
KDAGELAAAG VHVLGRTVAE VANAWAPYLT MAEGIRIAAK AFTTDPSLLS CCA
//
