ID A0A3S2UJN3_9SPHI Unreviewed; 380 AA.
AC A0A3S2UJN3;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 27-MAR-2024, entry version 19.
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=EOD41_17110 {ECO:0000313|EMBL:RVT98505.1};
OS Mucilaginibacter limnophilus.
OC Bacteria; Bacteroidota; Sphingobacteriia; Sphingobacteriales;
OC Sphingobacteriaceae; Mucilaginibacter.
OX NCBI_TaxID=1932778 {ECO:0000313|EMBL:RVT98505.1, ECO:0000313|Proteomes:UP000282759};
RN [1] {ECO:0000313|EMBL:RVT98505.1, ECO:0000313|Proteomes:UP000282759}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YBJ-36 {ECO:0000313|EMBL:RVT98505.1,
RC ECO:0000313|Proteomes:UP000282759};
RA Chen W.-M.;
RL Submitted (JAN-2019) 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:RVT98505.1}.
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DR EMBL; SACK01000008; RVT98505.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3S2UJN3; -.
DR OrthoDB; 5401121at2; -.
DR Proteomes; UP000282759; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0016020; C:membrane; IEA:InterPro.
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 CDD; cd00130; PAS; 1.
DR Gene3D; 1.20.5.1930; -; 1.
DR Gene3D; 3.30.565.10; Histidine kinase-like ATPase, C-terminal domain; 1.
DR Gene3D; 3.30.450.20; PAS domain; 1.
DR InterPro; IPR003594; HATPase_C.
DR InterPro; IPR036890; HATPase_C_sf.
DR InterPro; IPR005467; His_kinase_dom.
DR InterPro; IPR000014; PAS.
DR InterPro; IPR000700; PAS-assoc_C.
DR InterPro; IPR035965; PAS-like_dom_sf.
DR InterPro; IPR004358; Sig_transdc_His_kin-like_C.
DR InterPro; IPR011712; Sig_transdc_His_kin_sub3_dim/P.
DR NCBIfam; TIGR00229; sensory_box; 1.
DR PANTHER; PTHR24421; NITRATE/NITRITE SENSOR PROTEIN NARX-RELATED; 1.
DR PANTHER; PTHR24421:SF37; SIGNAL TRANSDUCTION HISTIDINE-PROTEIN KINASE_PHOSPHATASE UHPB; 1.
DR Pfam; PF02518; HATPase_c; 1.
DR Pfam; PF07730; HisKA_3; 1.
DR Pfam; PF13426; PAS_9; 1.
DR PRINTS; PR00344; BCTRLSENSOR.
DR SMART; SM00387; HATPase_c; 1.
DR SMART; SM00091; PAS; 1.
DR SUPFAM; SSF55874; ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase; 1.
DR SUPFAM; SSF55785; PYP-like sensor domain (PAS domain); 1.
DR PROSITE; PS50109; HIS_KIN; 1.
DR PROSITE; PS50113; PAC; 1.
DR PROSITE; PS50112; PAS; 1.
PE 4: Predicted;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485};
KW Coiled coil {ECO:0000256|SAM:Coils};
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};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022485};
KW Reference proteome {ECO:0000313|Proteomes:UP000282759};
KW Transferase {ECO:0000256|ARBA:ARBA00022679};
KW Two-component regulatory system {ECO:0000256|ARBA:ARBA00023012}.
FT DOMAIN 42..96
FT /note="PAS"
FT /evidence="ECO:0000259|PROSITE:PS50112"
FT DOMAIN 116..166
FT /note="PAC"
FT /evidence="ECO:0000259|PROSITE:PS50113"
FT DOMAIN 291..379
FT /note="Histidine kinase"
FT /evidence="ECO:0000259|PROSITE:PS50109"
FT COILED 1..28
FT /evidence="ECO:0000256|SAM:Coils"
SQ SEQUENCE 380 AA; 43757 MW; 7947E1D5C9BBDC41 CRC64;
MTNLTEENKV LKEELERLKL QIEQTAIYQA EKDQFHLEYE KSQHRFRTIF EESSVGKKII
DDQLKIIKVN KSLTRIIGYN QEELIGKRIT DFAHPDHARQ WKALQKELWT TELTSFNFDS
CLIKKDGSAI WLHVTTIIIE DNGNRLGYTI LEDISERKEL ERIQVLVREQ EQRQQIAETV
LNTQEEERRR VAERLHNGLG QLLYGVKLSL NRVEVNTDNN REAIKYTEQL ITDCIVECRG
ISHDLMPAML AEDGLKEAVV DICRQLTGTV KFEYRLLGLK PRLPEFLEVA IYRMIQELLM
NIVKHADATL ASIHILAGEK LVNITVKDNG KGFNQARLEN NGIGLHTIRT KTEFLSGKLN
ITSAEGQGTT ITITIPKRVD
//
