ID   MNTR_GEOTN              Reviewed;         141 AA.
AC   A4IQU0;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2007, sequence version 1.
DT   03-AUG-2022, entry version 88.
DE   RecName: Full=HTH-type transcriptional regulator MntR {ECO:0000255|HAMAP-Rule:MF_00732};
DE   AltName: Full=Manganese transport regulator {ECO:0000255|HAMAP-Rule:MF_00732};
GN   Name=mntR {ECO:0000255|HAMAP-Rule:MF_00732}; OrderedLocusNames=GTNG_2347;
OS   Geobacillus thermodenitrificans (strain NG80-2).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Geobacillus.
OX   NCBI_TaxID=420246;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NG80-2;
RX   PubMed=17372208; DOI=10.1073/pnas.0609650104;
RA   Feng L., Wang W., Cheng J., Ren Y., Zhao G., Gao C., Tang Y., Liu X.,
RA   Han W., Peng X., Liu R., Wang L.;
RT   "Genome and proteome of long-chain alkane degrading Geobacillus
RT   thermodenitrificans NG80-2 isolated from a deep-subsurface oil reservoir.";
RL   Proc. Natl. Acad. Sci. U.S.A. 104:5602-5607(2007).
CC   -!- FUNCTION: Central regulator of manganese homeostasis.
CC       {ECO:0000255|HAMAP-Rule:MF_00732}.
CC   -!- ACTIVITY REGULATION: DNA binding is strongly activated by Mn(2+).
CC       {ECO:0000255|HAMAP-Rule:MF_00732}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00732}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00732}.
CC   -!- SIMILARITY: Belongs to the DtxR/MntR family. {ECO:0000255|HAMAP-
CC       Rule:MF_00732}.
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DR   EMBL; CP000557; ABO67694.1; -; Genomic_DNA.
DR   RefSeq; WP_008879826.1; NC_009328.1.
DR   AlphaFoldDB; A4IQU0; -.
DR   SMR; A4IQU0; -.
DR   STRING; 420246.GTNG_2347; -.
DR   EnsemblBacteria; ABO67694; ABO67694; GTNG_2347.
DR   KEGG; gtn:GTNG_2347; -.
DR   eggNOG; COG1321; Bacteria.
DR   HOGENOM; CLU_069532_3_0_9; -.
DR   OMA; SWDAIDR; -.
DR   OrthoDB; 2047422at2; -.
DR   Proteomes; UP000001578; Chromosome.
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:cellular manganese ion homeostasis; IEA:UniProtKB-UniRule.
DR   Gene3D; 1.10.10.10; -; 1.
DR   Gene3D; 1.10.60.10; -; 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   Pfam; PF02742; Fe_dep_repr_C; 1.
DR   Pfam; PF01325; Fe_dep_repress; 1.
DR   SMART; SM00529; HTH_DTXR; 1.
DR   SUPFAM; SSF46785; SSF46785; 1.
DR   SUPFAM; SSF47979; SSF47979; 1.
DR   PROSITE; PS50944; HTH_DTXR; 1.
PE   3: Inferred from homology;
KW   Activator; Cytoplasm; DNA-binding; Manganese; Metal-binding; Repressor;
KW   Transcription; Transcription regulation.
FT   CHAIN           1..141
FT                   /note="HTH-type transcriptional regulator MntR"
FT                   /id="PRO_1000062114"
FT   DOMAIN          1..63
FT                   /note="HTH dtxR-type"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00732"
FT   BINDING         8
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00732"
FT   BINDING         11
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00732"
FT   BINDING         77
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00732"
FT   BINDING         99
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00732"
FT   BINDING         99
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00732"
FT   BINDING         102
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00732"
FT   BINDING         102
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00732"
FT   BINDING         103
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00732"
SQ   SEQUENCE   141 AA;  16675 MW;  70014892CC3D7920 CRC64;
     MPTPSMEDYI EQIYILIEEK GYARVSDIAE ALSVHPSSVT KMVQKLDKDE YLVYEKYRGL
     VLTPKGKKIG QRLVYRHELL EQFLRLIGVN EENIYHDVEG IEHHLSWNAI DRIGDLVQYF
     QEDERRIEAL RNIQKRNEQG E