ID A0A3M8LHN9_9MICO Unreviewed; 474 AA.
AC A0A3M8LHN9;
DT 13-FEB-2019, integrated into UniProtKB/TrEMBL.
DT 13-FEB-2019, sequence version 1.
DT 24-JAN-2024, entry version 23.
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:RNE64144.1};
GN ORFNames=EEJ31_04550 {ECO:0000313|EMBL:RNE64144.1};
OS Cryobacterium tepidiphilum.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Microbacteriaceae;
OC Cryobacterium.
OX NCBI_TaxID=2486026 {ECO:0000313|EMBL:RNE64144.1, ECO:0000313|Proteomes:UP000279859};
RN [1] {ECO:0000313|EMBL:RNE64144.1, ECO:0000313|Proteomes:UP000279859}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NEAU-85 {ECO:0000313|EMBL:RNE64144.1,
RC ECO:0000313|Proteomes:UP000279859};
RA Wang Y.;
RT "Cryobacterium sp. nov., isolated from rhizosphere soil of lettuce.";
RL Submitted (NOV-2018) 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|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:RNE64144.1}.
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DR EMBL; RDSR01000005; RNE64144.1; -; Genomic_DNA.
DR RefSeq; WP_061225165.1; NZ_RDSR01000005.1.
DR AlphaFoldDB; A0A3M8LHN9; -.
DR OrthoDB; 9800167at2; -.
DR Proteomes; UP000279859; 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};
KW Reference proteome {ECO:0000313|Proteomes:UP000279859}.
FT DOMAIN 5..333
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 354..458
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 186..193
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 277
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 318
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 474 AA; 49332 MW; F69D0E687D684AC8 CRC64;
MPTKYDLAII GSGGGAFAAA IRATMLGKSV VMIERGTLGG TCVNTGCVPS KALIAAADAR
HVAADAADRF PGIATTAGPV DMPALIAGKQ ALVETMRGEK YADVADSYGW HVRRGDAGFA
GTPDAPVLEV TAADGAVETI EAEHYLVATG ARPWAPPIDG LDEAGYLTST TAMDLTEVPE
SMLVLGGGYV ALEQAQLFAR LGSQVTVLVR SRLASKEEPE VSRTLQEVFA DEGIRVVRRA
VPTRVSRDAA TGQVVVTADV SGGSQEFRAD QVLVALGRRP VTDGLNLDAV GVKTGDSGEV
VVSDHLQSSN PRIWAAGDVT GHPEFVYVAA HHGTLVAENA FADADRSVDY SHLPRVTFTG
PAIGAVGMTE KEVVAAGIRC DCRVLPLEYV PRAVINRDTR GFIKIVVNAD TSEILGLTAV
AKDAGELAAA GVHVLGKTIA EVADAWAPYL TMTEGIRIAA KSFTTDPSLL SCCA
//
