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7XI4

Crystal Structure of the NPAS4-ARNT heterodimer in complex with DNA

Functional Information from GO Data
ChainGOidnamespacecontents
A0003700molecular_functionDNA-binding transcription factor activity
A0005634cellular_componentnucleus
A0005667cellular_componenttranscription regulator complex
A0005737cellular_componentcytoplasm
A0006355biological_processregulation of DNA-templated transcription
A0046983molecular_functionprotein dimerization activity
B0046983molecular_functionprotein dimerization activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues53
DetailsDomain: {"description":"bHLH","evidences":[{"source":"PROSITE-ProRule","id":"PRU00981","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues40
DetailsRegion: {"description":"DNA-binding","evidences":[{"source":"PubMed","id":"26245371","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28602820","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsRegion: {"description":"Mediates the transcription activity and dimerization of the AHR:ARNT complex","evidences":[{"source":"PubMed","id":"24001774","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues74
DetailsDomain: {"description":"PAS 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00140","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues39
DetailsDomain: {"description":"PAC"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues39
DetailsRegion: {"description":"Helix-loop-helix motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU00981","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues33
DetailsCoiled coil: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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