ID E6J492_9ACTN Unreviewed; 464 AA.
AC E6J492;
DT 08-MAR-2011, integrated into UniProtKB/TrEMBL.
DT 08-MAR-2011, sequence version 1.
DT 24-JAN-2024, entry version 58.
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 ORFNames=ES5_00095 {ECO:0000313|EMBL:EFV93576.1};
OS Dietzia cinnamea P4.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Dietziaceae;
OC Dietzia.
OX NCBI_TaxID=910954 {ECO:0000313|EMBL:EFV93576.1, ECO:0000313|Proteomes:UP000004165};
RN [1] {ECO:0000313|EMBL:EFV93576.1, ECO:0000313|Proteomes:UP000004165}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=P4 {ECO:0000313|EMBL:EFV93576.1,
RC ECO:0000313|Proteomes:UP000004165};
RX PubMed=21901521; DOI=10.1007/s10482-011-9633-7;
RA Procopio L., Alvarez V.M., Jurelevicius D.A., Hansen L., Sorensen S.J.,
RA Cardoso J.S., Padula M., Leitao A.C., Seldin L., van Elsas J.D.;
RT "Insight from the draft genome of Dietzia cinnamea P4 reveals mechanisms of
RT survival in complex tropical soil habitats and biotechnology potential.";
RL Antonie Van Leeuwenhoek 101:289-302(2012).
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}.
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:EFV93576.1}.
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DR EMBL; AEKG01000004; EFV93576.1; -; Genomic_DNA.
DR RefSeq; WP_007625913.1; NZ_AEKG01000004.1.
DR AlphaFoldDB; E6J492; -.
DR Proteomes; UP000004165; Unassembled WGS sequence.
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}.
FT DOMAIN 7..318
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 343..448
FT /note="Pyridine nucleotide-disulphide oxidoreductase
FT dimerisation"
FT /evidence="ECO:0000259|Pfam:PF02852"
FT BINDING 53
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 179..186
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 262
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 303
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT DISULFID 44..49
FT /note="Redox-active"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-4"
SQ SEQUENCE 464 AA; 48534 MW; A285E1F23270B900 CRC64;
MEPGFEFDLA VVGSGGAAMA AAITARQAGR TVLVIERGTI GGTCVNIGCV PSKTLLAAAG
TRQAALTNPF PGVPTLARDV DLGALVKQKD QLVTRLRETK YADVANAHGF EIRRGEASFL
DPDTLVIDGD PVAAGSVVLA TGAEPALPKE VTGLDEVEHL TSTTAMELTE LPDSMIVIGG
GYVGIEQAQL FAHLGTRVTI IGRITPAAEP ELVAILRQAL AQDGITVVEE HATSVDRQHA
QVTVRTASGR SHCAERLLVA TGRRPSTDRL NLPAAGITTD PDGFILVGEH QRTTNRRVFA
AGDATSAPQF VYVAAATGKA AAANALRTDP QGPGEVVDYT GLPAVIFSRP HLATAGLTEA
AARAAGHRCQ TRVMSFEDLP RALVDQDTRG AIKMVAETET GRILGLSAIG DHAGEIMLAA
TYAITARMTT RQIADIWAPY LTTSEVLRLV AGTFHTELPT SCCA
//
