NIKR_HELPJ
ID NIKR_HELPJ Reviewed; 148 AA.
AC Q9ZJP7;
DT 02-NOV-2001, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-1999, sequence version 1.
DT 03-AUG-2022, entry version 117.
DE RecName: Full=Putative nickel-responsive regulator {ECO:0000255|HAMAP-Rule:MF_00476};
GN OrderedLocusNames=jhp_1257;
OS Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=85963;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=J99 / ATCC 700824;
RX PubMed=9923682; DOI=10.1038/16495;
RA Alm R.A., Ling L.-S.L., Moir D.T., King B.L., Brown E.D., Doig P.C.,
RA Smith D.R., Noonan B., Guild B.C., deJonge B.L., Carmel G., Tummino P.J.,
RA Caruso A., Uria-Nickelsen M., Mills D.M., Ives C., Gibson R., Merberg D.,
RA Mills S.D., Jiang Q., Taylor D.E., Vovis G.F., Trust T.J.;
RT "Genomic sequence comparison of two unrelated isolates of the human gastric
RT pathogen Helicobacter pylori.";
RL Nature 397:176-180(1999).
CC -!- FUNCTION: Transcriptional regulator. {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; AE001439; AAD06843.1; -; Genomic_DNA.
DR PIR; C71829; C71829.
DR RefSeq; WP_000380814.1; NZ_CP011330.1.
DR AlphaFoldDB; Q9ZJP7; -.
DR BMRB; Q9ZJP7; -.
DR SMR; Q9ZJP7; -.
DR STRING; 85963.jhp_1257; -.
DR EnsemblBacteria; AAD06843; AAD06843; jhp_1257.
DR KEGG; hpj:jhp_1257; -.
DR PATRIC; fig|85963.30.peg.1314; -.
DR eggNOG; COG0864; Bacteria.
DR OMA; AHNCLET; -.
DR Proteomes; UP000000804; 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; 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; Transcription;
KW Transcription regulation.
FT CHAIN 1..148
FT /note="Putative nickel-responsive regulator"
FT /id="PRO_0000139292"
FT BINDING 88
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00476"
FT BINDING 99
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00476"
FT BINDING 101
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00476"
FT BINDING 107
FT /ligand="Ni(2+)"
FT /ligand_id="ChEBI:CHEBI:49786"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00476"
SQ SEQUENCE 148 AA; 17069 MW; 4EA4037C0C6E4CBB CRC64;
MDTPNKDDSI IRFSVSLQQN LLDELDNRII KNGYSSRSEL VRDMIREKLV EDNWVEDNPN
DGSKIAVLVV IYDHHQRELN QRMIDIQHAS GTHVLCTTHI HMDEHNCLET IILQGNSLEI
QRLQLEIGGL RGVKFAKLTK ASSFEYNE
