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6LGQ

The crystal complex structure of histidine kinase and response regulator

Functional Information from GO Data
ChainGOidnamespacecontents
C0000155molecular_functionphosphorelay sensor kinase activity
C0007165biological_processsignal transduction
C0016310biological_processphosphorylation
C0016772molecular_functiontransferase activity, transferring phosphorus-containing groups
D0000156molecular_functionphosphorelay response regulator activity
D0000160biological_processphosphorelay signal transduction system
D0000976molecular_functiontranscription cis-regulatory region binding
D0000987molecular_functioncis-regulatory region sequence-specific DNA binding
D0001216molecular_functionDNA-binding transcription activator activity
D0003677molecular_functionDNA binding
D0003700molecular_functionDNA-binding transcription factor activity
D0005515molecular_functionprotein binding
D0005737cellular_componentcytoplasm
D0005829cellular_componentcytosol
D0006351biological_processDNA-templated transcription
D0006355biological_processregulation of DNA-templated transcription
D0032993cellular_componentprotein-DNA complex
D0042802molecular_functionidentical protein binding
D0042803molecular_functionprotein homodimerization activity
D0045893biological_processpositive regulation of DNA-templated transcription
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsModified residue: {"description":"Phosphohistidine; by autocatalysis","evidences":[{"source":"PROSITE-ProRule","id":"PRU00107","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues113
DetailsDomain: {"description":"Response regulatory","evidences":[{"source":"PROSITE-ProRule","id":"PRU00169","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"4-aspartylphosphate","evidences":[{"source":"PROSITE-ProRule","id":"PRU00169","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

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PDB entries from 2026-01-28

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