ID   NIKR3_METAC             Reviewed;         140 AA.
AC   Q8TIR7;
DT   21-NOV-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2002, sequence version 1.
DT   03-AUG-2022, entry version 111.
DE   RecName: Full=Putative nickel-responsive regulator 3;
GN   OrderedLocusNames=MA_4075;
OS   Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 /
OS   C2A).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=188937;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35395 / DSM 2834 / JCM 12185 / C2A;
RX   PubMed=11932238; DOI=10.1101/gr.223902;
RA   Galagan J.E., Nusbaum C., Roy A., Endrizzi M.G., Macdonald P., FitzHugh W.,
RA   Calvo S., Engels R., Smirnov S., Atnoor D., Brown A., Allen N., Naylor J.,
RA   Stange-Thomann N., DeArellano K., Johnson R., Linton L., McEwan P.,
RA   McKernan K., Talamas J., Tirrell A., Ye W., Zimmer A., Barber R.D.,
RA   Cann I., Graham D.E., Grahame D.A., Guss A.M., Hedderich R.,
RA   Ingram-Smith C., Kuettner H.C., Krzycki J.A., Leigh J.A., Li W., Liu J.,
RA   Mukhopadhyay B., Reeve J.N., Smith K., Springer T.A., Umayam L.A.,
RA   White O., White R.H., de Macario E.C., Ferry J.G., Jarrell K.F., Jing H.,
RA   Macario A.J.L., Paulsen I.T., Pritchett M., Sowers K.R., Swanson R.V.,
RA   Zinder S.H., Lander E., Metcalf W.W., Birren B.;
RT   "The genome of Methanosarcina acetivorans reveals extensive metabolic and
RT   physiological diversity.";
RL   Genome Res. 12:532-542(2002).
CC   -!- FUNCTION: Transcriptional regulator. {ECO:0000305}.
CC   -!- COFACTOR:
CC       Name=Ni(2+); Xref=ChEBI:CHEBI:49786; Evidence={ECO:0000250};
CC       Note=Binds 1 nickel ion per subunit. {ECO:0000250};
CC   -!- SIMILARITY: Belongs to the transcriptional regulatory CopG/NikR family.
CC       {ECO:0000305}.
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DR   EMBL; AE010299; AAM07423.1; -; Genomic_DNA.
DR   RefSeq; WP_011023967.1; NC_003552.1.
DR   AlphaFoldDB; Q8TIR7; -.
DR   SMR; Q8TIR7; -.
DR   EnsemblBacteria; AAM07423; AAM07423; MA_4075.
DR   GeneID; 41607699; -.
DR   KEGG; mac:MA_4075; -.
DR   HOGENOM; CLU_113319_1_2_2; -.
DR   InParanoid; Q8TIR7; -.
DR   OMA; AHNCLET; -.
DR   OrthoDB; 90041at2157; -.
DR   PhylomeDB; Q8TIR7; -.
DR   Proteomes; UP000002487; Chromosome.
DR   GO; GO:0003677; F:DNA binding; IBA:GO_Central.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0016151; F:nickel cation binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IBA:GO_Central.
DR   GO; GO:0010045; P:response to nickel cation; IEA:InterPro.
DR   Gene3D; 1.10.1220.10; -; 1.
DR   Gene3D; 3.30.70.1150; -; 1.
DR   HAMAP; MF_00476; NikR; 1.
DR   InterPro; IPR027271; Acetolactate_synth/TF_NikR_C.
DR   InterPro; IPR045865; ACT-like_dom_sf.
DR   InterPro; IPR013321; Arc_rbn_hlx_hlx.
DR   InterPro; IPR002145; CopG.
DR   InterPro; IPR022988; Ni_resp_reg_NikR.
DR   InterPro; IPR010985; Ribbon_hlx_hlx.
DR   InterPro; IPR014864; TF_NikR_Ni-bd_C.
DR   Pfam; PF08753; NikR_C; 1.
DR   Pfam; PF01402; RHH_1; 1.
DR   SUPFAM; SSF47598; SSF47598; 1.
DR   SUPFAM; SSF55021; SSF55021; 1.
PE   3: Inferred from homology;
KW   DNA-binding; Metal-binding; Nickel; Reference proteome; Transcription;
KW   Transcription regulation.
FT   CHAIN           1..140
FT                   /note="Putative nickel-responsive regulator 3"
FT                   /id="PRO_0000139301"
FT   BINDING         81
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000250"
FT   BINDING         92
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000250"
FT   BINDING         94
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000250"
FT   BINDING         100
FT                   /ligand="Ni(2+)"
FT                   /ligand_id="ChEBI:CHEBI:49786"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   140 AA;  15818 MW;  811E5D5E66C82A36 CRC64;
     METELMRIGV SLPDTLLSKF DEIIEKRGYS SRSEGIRDAI RSYISYYEWM GDIKGHRVGT
     VAVIYDHTKR GLSNALADIQ HHYSHLIKSS VHIHLDHDNC FEVIVLDGDG EEIKELAEAI
     MALKGVKFSK LTTVASNEKI