ID U9W2H2_9CYAN Unreviewed; 475 AA.
AC U9W2H2;
DT 22-JAN-2014, integrated into UniProtKB/TrEMBL.
DT 22-JAN-2014, sequence version 1.
DT 27-MAR-2024, entry version 49.
DE RecName: Full=Mercuric reductase {ECO:0008006|Google:ProtNLM};
GN ORFNames=N836_28960 {ECO:0000313|EMBL:ESA39109.1};
OS Leptolyngbya sp. Heron Island J.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Leptolyngbyales; Leptolyngbyaceae;
OC Leptolyngbya group; Leptolyngbya.
OX NCBI_TaxID=1385935 {ECO:0000313|EMBL:ESA39109.1, ECO:0000313|Proteomes:UP000017515};
RN [1] {ECO:0000313|EMBL:ESA39109.1, ECO:0000313|Proteomes:UP000017515}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Heron Island J {ECO:0000313|EMBL:ESA39109.1,
RC ECO:0000313|Proteomes:UP000017515};
RX PubMed=24503993;
RA Paul R., Jinkerson R.E., Buss K., Steel J., Mohr R., Hess W.R., Chen M.,
RA Fromme P.;
RT "Draft Genome Sequence of the Filamentous Cyanobacterium Leptolyngbya sp.
RT Strain Heron Island J, Exhibiting Chromatic Acclimation.";
RL Genome Announc. 2:e01166-e01113(2014).
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 -!- 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:ESA39109.1}.
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DR EMBL; AWNH01000004; ESA39109.1; -; Genomic_DNA.
DR RefSeq; WP_023070154.1; NZ_AWNH01000004.1.
DR AlphaFoldDB; U9W2H2; -.
DR STRING; 1385935.N836_28960; -.
DR PATRIC; fig|1385935.3.peg.70; -.
DR eggNOG; COG1249; Bacteria.
DR OrthoDB; 9807946at2; -.
DR Proteomes; UP000017515; Unassembled WGS sequence.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0016668; F:oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor; 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; IPR001100; Pyr_nuc-diS_OxRdtase.
DR InterPro; IPR004099; Pyr_nucl-diS_OxRdtase_dimer.
DR InterPro; IPR012999; Pyr_OxRdtase_I_AS.
DR PANTHER; PTHR43014; MERCURIC REDUCTASE; 1.
DR PANTHER; PTHR43014:SF2; MERCURIC REDUCTASE; 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}; 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:UP000017515}.
FT DOMAIN 5..317
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 337..441
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 115
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 139..141
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 176..183
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 302
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 475 AA; 51499 MW; AD33376DDD90B0F3 CRC64;
MAVEYDLVVI GGGSAGLVAA SAGAQLNARI ALVEKHLLGG DCLHYGCVPS KSLIHAGQVA
HHVRTGSQFG IYTSTPTIKF EEAINHVQNV IGIIQEHDST ERFEALGVDV FYGSGRFTDP
KTFEINGKQL KGRNFLISTG SRPAIPPIEG IKEAGFLTNE QVFSLKERPD SLAVIGAGPI
GCELGQSFAR LGAEVTIIAS RNQIMPKEEP EAAAVVQKQL ETEGIRVLTQ SRAQKVEVID
GKKHLYVGDQ VVIVDEILLS AGRIPNVESL GLEAAGVEIG KAGIKVNEKL QTNVKHIYGA
GDVIGGYQFT HVAGYEAAVV IQNALFLPTK KADYRVIPWA TFTEPELARV GLTEDQARER
YGDDVAVLKH EFKDVDRALA EAAGHGFAKF ITRQSGEILG AHIVGPHAGE LIHEVVLAMS
YKMKIGALKS IIHVYPTLSE INAKTALQLT KQSYAKNDRL QTILRRFFNW RRSLG
//