NIKR_EDWI9
ID NIKR_EDWI9 Reviewed; 145 AA.
AC C5BCE8;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 28-JUL-2009, sequence version 1.
DT 03-AUG-2022, entry version 83.
DE RecName: Full=Nickel-responsive regulator {ECO:0000255|HAMAP-Rule:MF_00476};
GN Name=nikR {ECO:0000255|HAMAP-Rule:MF_00476}; OrderedLocusNames=NT01EI_0269;
OS Edwardsiella ictaluri (strain 93-146).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Hafniaceae; Edwardsiella.
OX NCBI_TaxID=634503;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=93-146;
RA Williams M.L., Gillaspy A.F., Dyer D.W., Thune R.L., Waldbieser G.C.,
RA Schuster S.C., Gipson J., Zaitshik J., Landry C., Lawrence M.L.;
RT "Complete genome sequence of Edwardsiella ictaluri 93-146.";
RL Submitted (MAR-2009) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Transcriptional repressor of the nikABCDE operon. Is active
CC in the presence of excessive concentrations of intracellular nickel.
CC {ECO:0000255|HAMAP-Rule:MF_00476}.
CC -!- COFACTOR:
CC Name=Ni(2+); Xref=ChEBI:CHEBI:49786;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00476};
CC Note=Binds 1 nickel ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00476};
CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00476}.
CC -!- SIMILARITY: Belongs to the transcriptional regulatory CopG/NikR family.
CC {ECO:0000255|HAMAP-Rule:MF_00476}.
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DR EMBL; CP001600; ACR67511.1; -; Genomic_DNA.
DR RefSeq; WP_015869720.1; NC_012779.2.
DR AlphaFoldDB; C5BCE8; -.
DR SMR; C5BCE8; -.
DR STRING; 67780.B6E78_12450; -.
DR EnsemblBacteria; ACR67511; ACR67511; NT01EI_0269.
DR GeneID; 7959000; -.
DR KEGG; eic:NT01EI_0269; -.
DR HOGENOM; CLU_113319_1_4_6; -.
DR OMA; AHNCLET; -.
DR Proteomes; UP000001485; Chromosome.
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:0016151; F:nickel cation binding; IEA:UniProtKB-UniRule.
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; IPR014160; Nickel_NikR_proteobac.
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.
DR TIGRFAMs; TIGR02793; nikR; 1.
PE 3: Inferred from homology;
KW DNA-binding; Metal-binding; Nickel; Reference proteome; Repressor;
KW Transcription; Transcription regulation.
FT CHAIN 1..145
FT /note="Nickel-responsive regulator"
FT /id="PRO_1000206379"
FT BINDING 77
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00476"
FT BINDING 88
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00476"
FT BINDING 90
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00476"
FT BINDING 96
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00476"
SQ SEQUENCE 145 AA; 15922 MW; 952C050BBAA29335 CRC64;
MQRVTLSLDD DLMAEIDAII RAGNYQNRSE VIRDLARAGL QSMAQAPSPS ACCVAALFYV
YDHESRELSK RLTRTFHDHH DLSLASLHVH LDHGSCLEVS LLKGAGGEVT RFAERVIAER
GVRHGKLVVV PGDEGVAPPH PHSHD
