ID E6PXT7_9ZZZZ Unreviewed; 515 AA.
AC E6PXT7;
DT 08-MAR-2011, integrated into UniProtKB/TrEMBL.
DT 08-MAR-2011, sequence version 1.
DT 27-MAR-2024, entry version 39.
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 Name=merA {ECO:0000313|EMBL:CBH99746.1};
GN ORFNames=CARN3_0693 {ECO:0000313|EMBL:CBH99746.1};
OS mine drainage metagenome.
OC unclassified sequences; metagenomes; ecological metagenomes.
OX NCBI_TaxID=410659 {ECO:0000313|EMBL:CBH99746.1};
RN [1] {ECO:0000313|EMBL:CBH99746.1}
RP NUCLEOTIDE SEQUENCE.
RA Bertin P.N., Heinrich-Salmeron A., Pelletier E., Goulhen-Chollet F.,
RA Arsene-Ploetze F., Gallien S., Calteau A., Vallenet D., Casiot C.,
RA Chane-Woon-Ming B., Giloteaux L., Barakat M., Bonnefoy V., Bruneel O.,
RA Chandler M., Cleiss J., Duran R., Elbaz-Poulichet F., Fonknechten N.,
RA Lauga B., Mornico D., Ortet P., Schaeffer C., Siguier P.,
RA Alexander Thil Smith A., Van Dorsselaer A., Weissenbach J., Medigue C.,
RA Le Paslier D.;
RT "Diversity of trophic interactions inside an arsenic-rich microbial
RT ecosystem.";
RL Submitted (OCT-2009) to the EMBL/GenBank/DDBJ databases.
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|ARBA:ARBA00001974};
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 -!- 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:CBH99746.1}.
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DR EMBL; CABN01000047; CBH99746.1; -; Genomic_DNA.
DR AlphaFoldDB; E6PXT7; -.
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; PR00945; HGRDTASE.
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};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000313|EMBL:CBH99746.1};
KW Redox-active center {ECO:0000256|ARBA:ARBA00023284}.
FT DOMAIN 54..372
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 391..499
FT /note="Pyridine nucleotide-disulphide oxidoreductase
FT dimerisation"
FT /evidence="ECO:0000259|Pfam:PF02852"
SQ SEQUENCE 515 AA; 53805 MW; AC19F3A308C0199F CRC64;
MAELVIDPDA SQKSQKTLTS AVATLGHAAT HSNVSVAEKL GERGKLAGNE GRLHIAVIGS
GGAAMAAALK AVELGARVTL IERGTIGGTC VNVGCVPSKI MIRAAHIAHL RRQSPFDGGI
AAFGPAIRRD KLLAQQQGRV DELRHIKYEG ILDANEAISV LRGEAQFKDD RSLVVRLNDG
GEREVPFDRC LVATGSTPAI PSIPGLREVP YWTSTEALAS YELPARLAVI GSSAVAVELA
QAFARLGSKV TILARHTLLL REDPAVGEAL TAAFRGEGIG VLEHTQARSA AHVDGEFALA
TADGEVRADK LLIATGRTPN THGLGLVAAG VTVNEQGAIV VDKGMRTSAP HIYAAGDCTD
WPQFVYVAAA AGTRAAINMT GGNATLDLTT MPAVVFTDPQ VATVGQSEAQ AHADGIEADS
RTLALDNVPR ALVNFDTRGF IKLVAEAGTG RLVGVQTVAQ EAGELIQTAA VAIRARMTVQ
DISDQLFPYL TMVEGLKLAA QTFTKDVKQL SCCAG
//
