ID A0A495X587_9PSEU Unreviewed; 348 AA.
AC A0A495X587;
DT 05-JUN-2019, integrated into UniProtKB/TrEMBL.
DT 05-JUN-2019, sequence version 1.
DT 24-JAN-2024, entry version 15.
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=DFJ66_1872 {ECO:0000313|EMBL:RKT68679.1};
OS Saccharothrix variisporea.
OC Bacteria; Actinomycetota; Actinomycetes; Pseudonocardiales;
OC Pseudonocardiaceae; Saccharothrix.
OX NCBI_TaxID=543527 {ECO:0000313|EMBL:RKT68679.1, ECO:0000313|Proteomes:UP000272729};
RN [1] {ECO:0000313|EMBL:RKT68679.1, ECO:0000313|Proteomes:UP000272729}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 43911 {ECO:0000313|EMBL:RKT68679.1,
RC ECO:0000313|Proteomes:UP000272729};
RA Klenk H.-P.;
RT "Sequencing the genomes of 1000 actinobacteria strains.";
RL Submitted (OCT-2018) 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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:RKT68679.1}.
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DR EMBL; RBXR01000001; RKT68679.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A495X587; -.
DR OrthoDB; 227596at2; -.
DR Proteomes; UP000272729; Unassembled WGS sequence.
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 PANTHER; PTHR24421:SF10; NITRATE/NITRITE SENSOR PROTEIN NARQ; 1.
DR PANTHER; PTHR24421; NITRATE/NITRITE SENSOR PROTEIN NARX-RELATED; 1.
DR Pfam; PF02518; HATPase_c; 1.
DR Pfam; PF07730; HisKA_3; 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, ECO:0000313|EMBL:RKT68679.1};
KW Membrane {ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022485};
KW Reference proteome {ECO:0000313|Proteomes:UP000272729};
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 32..48
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 98..118
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 130..148
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 265..348
FT /note="Histidine kinase"
FT /evidence="ECO:0000259|PROSITE:PS50109"
SQ SEQUENCE 348 AA; 36604 MW; E47B74754BA842CA CRC64;
MRPVAWLSPL LYGAVLLAGG YAGLAGLGET RFGWFVGGLV ALVVLDLAEP RYARPVPFLV
VRAALVVLVA ASDGSGMARV LLLLLPFGAY FAFGRVVAVV LGVGCVGLVV VAFGVTAPGW
THDVERVSDL LMFAVGLVLT LAMAAVAVEE QRGRVRLAEL SAAAERNRLA RDVHDGLGHH
LTAVSVLLEK ASAFRELDPS VADQALDDAR ESARRALEDV RRSVRALREP FRLSSALAEL
AQGLKVDVEC AGDENGYDPA VLLAVYRAAQ EGITNALRHA DARTVSVRVH CGRSGAELVV
ADDGRGFSAA EEGFGLSGMR ERVAAVGGAV DVRSAPGQGT RLTVRVPR
//