ID A0A0D6ZA18_9BACI Unreviewed; 546 AA.
AC A0A0D6ZA18;
DT 27-MAY-2015, integrated into UniProtKB/TrEMBL.
DT 27-MAY-2015, sequence version 1.
DT 24-JAN-2024, entry version 43.
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=UB32_13905 {ECO:0000313|EMBL:KIY21433.1};
OS Mesobacillus subterraneus.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Mesobacillus.
OX NCBI_TaxID=285983 {ECO:0000313|EMBL:KIY21433.1, ECO:0000313|Proteomes:UP000032512};
RN [1] {ECO:0000313|EMBL:KIY21433.1, ECO:0000313|Proteomes:UP000032512}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MITOT1 {ECO:0000313|EMBL:KIY21433.1,
RC ECO:0000313|Proteomes:UP000032512};
RA Peet K.C., Thompson J.R.;
RT "Draft genome sequences of the supercritical CO2 tolerant bacteria Bacillus
RT subterraneus MITOT1 and Bacillus cereus MIT0214.";
RL Submitted (JAN-2015) 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 -!- 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:KIY21433.1}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; JXIQ01000107; KIY21433.1; -; Genomic_DNA.
DR RefSeq; WP_044394567.1; NZ_JXIQ01000107.1.
DR AlphaFoldDB; A0A0D6ZA18; -.
DR PATRIC; fig|285983.3.peg.1630; -.
DR OrthoDB; 9800167at2; -.
DR Proteomes; UP000032512; 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 CDD; cd00371; HMA; 1.
DR Gene3D; 3.30.390.30; -; 1.
DR Gene3D; 3.30.70.100; -; 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; IPR017969; Heavy-metal-associated_CS.
DR InterPro; IPR006121; HMA_dom.
DR InterPro; IPR036163; HMA_dom_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 SUPFAM; SSF55008; HMA, heavy metal-associated domain; 1.
DR PROSITE; PS01047; HMA_1; 1.
DR PROSITE; PS50846; HMA_2; 1.
DR PROSITE; PS00076; PYRIDINE_REDOX_1; 1.
PE 3: Inferred from homology;
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRSR:PIRSR000350-3};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW Mercuric resistance {ECO:0000256|ARBA:ARBA00022466};
KW Mercury {ECO:0000256|ARBA:ARBA00022914};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW NAD {ECO:0000256|PIRSR:PIRSR000350-3};
KW NADP {ECO:0000256|ARBA:ARBA00022857};
KW Nucleotide-binding {ECO:0000256|PIRSR:PIRSR000350-3};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Redox-active center {ECO:0000256|ARBA:ARBA00023284};
KW Reference proteome {ECO:0000313|Proteomes:UP000032512}.
FT DOMAIN 2..66
FT /note="HMA"
FT /evidence="ECO:0000259|PROSITE:PS50846"
FT BINDING 131
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 256..263
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 346
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 387
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT DISULFID 122..127
FT /note="Redox-active"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-4"
SQ SEQUENCE 546 AA; 58874 MW; 18DC539ABE500BD1 CRC64;
MKKYRIQIEG MTCTGCEEHV AVALENIGAK NIKANFSRGE ALFELPDDKE VEIAKRAINE
AKYQPGEIED VLSKEDVDLG NEGDYDLLII GSGGAAFSAA IKAIEYGAKV GMIERGTVGG
TCVNIGCVPS KTLLRAGEIN HLAKSNPFIG LQTSAGEVEL APLVKQKNEL VSELRNQKYV
NLIDKYGFDL IEGEAKFVDE SIVEVNGRKL SAKRFLIATG ASPSLPPIAG LEEVDYLTST
TLLELKKVPK RLTVIGSGYI GMELGQLFHH LGSEVTLMQR SERLLKEYDP EISEAVERAL
TEQGINLIKG ATFERVEQEG EIKKVYVTVE GKRKIIESEQ LLVATGRKPN TDSLNLSVAG
VEVGNRKEIK INEYAQTSNE KIYSAGDVTL GPQFVYVAAY EGGIVADNAI GGLNKKLDLS
VVPGVTFTNP SIATVGLTEE QAKEKGYDVK TSVLPLEAVP RAIVNRETTG VFKIVADAKT
LKILGVHVVS ENAGDVIYAG TLAVKFGLTV EDLKESLAPY LTMAEGLKLA SLTFDKDVSK
LSCCAG
//
