ID A0A0N9HLK2_9PSEU Unreviewed; 410 AA.
AC A0A0N9HLK2;
DT 20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT 20-JAN-2016, sequence version 1.
DT 27-MAR-2024, entry version 31.
DE RecName: Full=Oxygen sensor histidine kinase NreB {ECO:0000256|ARBA:ARBA00017322};
DE EC=2.7.13.3 {ECO:0000256|ARBA:ARBA00012438};
DE AltName: Full=Nitrogen regulation protein B {ECO:0000256|ARBA:ARBA00030800};
GN ORFNames=AOZ06_09625 {ECO:0000313|EMBL:ALG07148.1};
OS Kibdelosporangium phytohabitans.
OC Bacteria; Actinomycetota; Actinomycetes; Pseudonocardiales;
OC Pseudonocardiaceae; Kibdelosporangium.
OX NCBI_TaxID=860235 {ECO:0000313|EMBL:ALG07148.1, ECO:0000313|Proteomes:UP000063699};
RN [1] {ECO:0000313|EMBL:ALG07148.1, ECO:0000313|Proteomes:UP000063699}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KLBMP1111 {ECO:0000313|EMBL:ALG07148.1,
RC ECO:0000313|Proteomes:UP000063699};
RA Qin S., Xing K.;
RT "Genome sequencing of Kibdelosporangium phytohabitans.";
RL Submitted (JUL-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Member of the two-component regulatory system NreB/NreC
CC involved in the control of dissimilatory nitrate/nitrite reduction in
CC response to oxygen. NreB functions as a direct oxygen sensor histidine
CC kinase which is autophosphorylated, in the absence of oxygen, probably
CC at the conserved histidine residue, and transfers its phosphate group
CC probably to a conserved aspartate residue of NreC. NreB/NreC activates
CC the expression of the nitrate (narGHJI) and nitrite (nir) reductase
CC operons, as well as the putative nitrate transporter gene narT.
CC {ECO:0000256|ARBA:ARBA00024827}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + protein L-histidine = ADP + protein N-phospho-L-
CC histidine.; EC=2.7.13.3; Evidence={ECO:0000256|ARBA:ARBA00000085};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|ARBA:ARBA00001966};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496}.
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DR EMBL; CP012752; ALG07148.1; -; Genomic_DNA.
DR RefSeq; WP_054289118.1; NZ_JADBEI010000001.1.
DR AlphaFoldDB; A0A0N9HLK2; -.
DR STRING; 860235.AOZ06_09625; -.
DR KEGG; kphy:AOZ06_09625; -.
DR OrthoDB; 144293at2; -.
DR Proteomes; UP000063699; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
DR GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0000155; F:phosphorelay sensor kinase activity; IEA:InterPro.
DR GO; GO:0046983; F:protein dimerization activity; IEA:InterPro.
DR CDD; cd16917; HATPase_UhpB-NarQ-NarX-like; 1.
DR Gene3D; 1.20.5.1930; -; 1.
DR Gene3D; 3.30.565.10; Histidine kinase-like ATPase, C-terminal domain; 1.
DR InterPro; IPR003594; HATPase_C.
DR InterPro; IPR036890; HATPase_C_sf.
DR InterPro; IPR005467; His_kinase_dom.
DR InterPro; IPR004358; Sig_transdc_His_kin-like_C.
DR InterPro; IPR011712; Sig_transdc_His_kin_sub3_dim/P.
DR InterPro; IPR017205; Sig_transdc_His_kinase_ChrS.
DR PANTHER; PTHR24421; NITRATE/NITRITE SENSOR PROTEIN NARX-RELATED; 1.
DR PANTHER; PTHR24421:SF10; SENSORY TRANSDUCTION HISTIDINE KINASE; 1.
DR Pfam; PF02518; HATPase_c; 1.
DR Pfam; PF07730; HisKA_3; 1.
DR PIRSF; PIRSF037434; STHK_ChrS; 1.
DR PRINTS; PR00344; BCTRLSENSOR.
DR SMART; SM00387; HATPase_c; 1.
DR SUPFAM; SSF55874; ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase; 1.
DR PROSITE; PS50109; HIS_KIN; 1.
PE 4: Predicted;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW Iron {ECO:0000256|ARBA:ARBA00023004};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW Kinase {ECO:0000256|ARBA:ARBA00022777}; Membrane {ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022485};
KW Reference proteome {ECO:0000313|Proteomes:UP000063699};
KW Transferase {ECO:0000256|ARBA:ARBA00022679};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius};
KW Two-component regulatory system {ECO:0000256|ARBA:ARBA00023012}.
FT TRANSMEM 14..33
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 45..63
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 69..89
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 96..118
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 138..157
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 205..402
FT /note="Histidine kinase"
FT /evidence="ECO:0000259|PROSITE:PS50109"
SQ SEQUENCE 410 AA; 44197 MW; AF2E36923AD066AF CRC64;
MLQITEVEAA KARWIYTGIA YAALLAAITW SVVDDKAATQ VPLTLALSGV MAVWIGLIAR
WWPIWPRDAV WAVVAYTGLV AMNTVLIATS DAFASFVWIG FPYAFAIFPA RWAVFAVTAN
AISTFAVQTD WLRSSSPLVV ILAVAGPVIF AGWVAGLESE RRKRAISQLT ETNQRLATAM
EENAGLHAQL LVQAREAGVL DERQRMAREI HDTLAQELAA LIRQLHAANR VREHPEQWQH
HMDQVRMLAE RGLSEARRSV QALRPAPLES SRLPDAIAEM AHVWSQASGV PVHAETTGTP
EPMITGIEVA LFRVAQEALA NVAKHAKATR AGITLSYLED VVLLDIRDDG VGFEPGTAGP
AGDSGYGLGT MRQRLLGVGG TLEIESRPGE GTAIGASVPA IRAESPGVTV
//