ID A0A1H1BG28_9BACI Unreviewed; 139 AA.
AC A0A1H1BG28;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 20.
DE RecName: Full=HTH-type transcriptional regulator MntR {ECO:0000256|HAMAP-Rule:MF_00732};
DE AltName: Full=Manganese transport regulator {ECO:0000256|HAMAP-Rule:MF_00732};
GN Name=mntR {ECO:0000256|HAMAP-Rule:MF_00732};
GN ORFNames=SAMN05216231_1748 {ECO:0000313|EMBL:SDQ50918.1};
OS Virgibacillus salinus.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Virgibacillus.
OX NCBI_TaxID=553311 {ECO:0000313|EMBL:SDQ50918.1, ECO:0000313|Proteomes:UP000199444};
RN [1] {ECO:0000313|EMBL:SDQ50918.1, ECO:0000313|Proteomes:UP000199444}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 1.10449 {ECO:0000313|EMBL:SDQ50918.1,
RC ECO:0000313|Proteomes:UP000199444};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Central regulator of manganese homeostasis.
CC {ECO:0000256|HAMAP-Rule:MF_00732}.
CC -!- ACTIVITY REGULATION: DNA binding is strongly activated by Mn(2+).
CC {ECO:0000256|HAMAP-Rule:MF_00732}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00732}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00732}.
CC -!- SIMILARITY: Belongs to the DtxR/MntR family.
CC {ECO:0000256|ARBA:ARBA00007871, ECO:0000256|HAMAP-Rule:MF_00732}.
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DR EMBL; FNKD01000002; SDQ50918.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H1BG28; -.
DR STRING; 553311.SAMN05216231_1748; -.
DR Proteomes; UP000199444; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:UniProtKB-UniRule.
DR GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0046983; F:protein dimerization activity; IEA:InterPro.
DR GO; GO:0030026; P:intracellular manganese ion homeostasis; IEA:UniProtKB-UniRule.
DR Gene3D; 1.10.60.10; Iron dependent repressor, metal binding and dimerisation domain; 1.
DR Gene3D; 1.10.10.10; Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain; 1.
DR HAMAP; MF_00732; HTH_MntR; 1.
DR InterPro; IPR001367; Fe_dep_repressor.
DR InterPro; IPR036421; Fe_dep_repressor_sf.
DR InterPro; IPR022687; HTH_DTXR.
DR InterPro; IPR022897; HTH_tscrpt_reg_MntR.
DR InterPro; IPR022689; Iron_dep_repressor.
DR InterPro; IPR036388; WH-like_DNA-bd_sf.
DR InterPro; IPR036390; WH_DNA-bd_sf.
DR PANTHER; PTHR33238; IRON (METAL) DEPENDENT REPRESSOR, DTXR FAMILY; 1.
DR PANTHER; PTHR33238:SF7; TRANSCRIPTIONAL REGULATOR MNTR; 1.
DR Pfam; PF02742; Fe_dep_repr_C; 1.
DR Pfam; PF01325; Fe_dep_repress; 1.
DR SMART; SM00529; HTH_DTXR; 1.
DR SUPFAM; SSF47979; Iron-dependent repressor protein, dimerization domain; 1.
DR SUPFAM; SSF46785; Winged helix' DNA-binding domain; 1.
DR PROSITE; PS50944; HTH_DTXR; 1.
PE 3: Inferred from homology;
KW Activator {ECO:0000256|ARBA:ARBA00023159, ECO:0000256|HAMAP-Rule:MF_00732};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00732};
KW DNA-binding {ECO:0000256|ARBA:ARBA00023125, ECO:0000256|HAMAP-
KW Rule:MF_00732};
KW Manganese {ECO:0000256|ARBA:ARBA00023211, ECO:0000256|HAMAP-Rule:MF_00732};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00732}; Reference proteome {ECO:0000313|Proteomes:UP000199444};
KW Repressor {ECO:0000256|ARBA:ARBA00022491, ECO:0000256|HAMAP-Rule:MF_00732};
KW Transcription {ECO:0000256|ARBA:ARBA00023163, ECO:0000256|HAMAP-
KW Rule:MF_00732};
KW Transcription regulation {ECO:0000256|ARBA:ARBA00023015, ECO:0000256|HAMAP-
KW Rule:MF_00732}.
FT DOMAIN 1..63
FT /note="HTH dtxR-type"
FT /evidence="ECO:0000259|PROSITE:PS50944"
FT BINDING 8
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00732"
FT BINDING 11
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00732"
FT BINDING 77
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00732"
FT BINDING 99
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00732"
FT BINDING 99
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00732"
FT BINDING 102
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00732"
FT BINDING 102
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00732"
FT BINDING 103
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00732"
SQ SEQUENCE 139 AA; 16383 MW; E07E7266E811FC18 CRC64;
MPTPSMEDYI EQIYNLIETK GYARVSDIAE ALIVHPSSVT KMVQKLDKDE YLNYEKYRGF
ILTSKGKKIG ERLVFRHELL EDFLEIIGVD NDKIYEDVEG IEHHLSWNSI DRIGDLVQYF
KEDKNRIDDL KKIKANDER
//
