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5JEQ

Fragment of nitrate/nitrite sensor histidine kinase NarQ (R50K) in symmetric apo state

Functional Information from GO Data
ChainGOidnamespacecontents
A0007165biological_processsignal transduction
A0016020cellular_componentmembrane
Functional Information from PDB Data
site_idAC1
Number of Residues9
Detailsbinding site for residue PO4 A 301
ChainResidue
AARG98
AHIS141
AHIS174
AGLN175
APO4302
AHOH402
AHOH404
AHOH425
AHOH449

site_idAC2
Number of Residues9
Detailsbinding site for residue PO4 A 302
ChainResidue
AHIS141
AARG170
AARG171
AHIS174
AGLN175
APO4301
AHOH402
AHOH403
AHOH446

site_idAC3
Number of Residues5
Detailsbinding site for residue PO4 A 303
ChainResidue
ASER35
AARG38
AASP39
ATYR142
ALYS146

site_idAC4
Number of Residues5
Detailsbinding site for residue PO4 A 304
ChainResidue
AHIS141
AGLU144
AARG173
AHIS174
AHOH406

site_idAC5
Number of Residues8
Detailsbinding site for residue PO4 A 305
ChainResidue
AARG71
AARG71
ASER114
ASER114
AHOH412
AHOH412
AHOH415
AHOH415

site_idAC6
Number of Residues5
Detailsbinding site for residue PO4 A 306
ChainResidue
ASER48
ALYS50
AMET51
AVAL129
AASP133

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues12
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues40
DetailsTransmembrane: {"description":"Helical","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues111
DetailsTopological domain: {"description":"Periplasmic","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

250059

PDB entries from 2026-03-04

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