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1RIO

Structure of bacteriophage lambda cI-NTD in complex with sigma-region4 of Thermus aquaticus bound to DNA

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
B0003677molecular_functionDNA binding
H0003700molecular_functionDNA-binding transcription factor activity
H0006352biological_processDNA-templated transcription initiation
H0006355biological_processregulation of DNA-templated transcription
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 301
ChainResidue
AGLY42
AHOH306
THOH44
THOH45

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MPD A 201
ChainResidue
AGLU75
AALA82
AHOH326

Functional Information from PROSITE/UniProt
site_idPS00716
Number of Residues27
DetailsSIGMA70_2 Sigma-70 factors family signature 2. TleEVGayfgVTrerIrQIEnkaLrkL
ChainResidueDetails
HTHR397-LEU423

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues19
DetailsDNA binding: {"description":"H-T-H motif","evidences":[{"source":"HAMAP-Rule","id":"MF_00963","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues52
DetailsRegion: {"description":"Sigma-70 factor domain-4"}
ChainResidueDetails

246333

PDB entries from 2025-12-17

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