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4KI2

Crystallographic analysis of an RNA-polymerase sigma-subunit fragment complexed with -10 promoter element ssDNA

Replaces:  4GOR
Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003700molecular_functionDNA-binding transcription factor activity
A0006352biological_processDNA-templated transcription initiation
A0006355biological_processregulation of DNA-templated transcription
A0016987molecular_functionsigma factor activity
B0003677molecular_functionDNA binding
B0003700molecular_functionDNA-binding transcription factor activity
B0006352biological_processDNA-templated transcription initiation
B0006355biological_processregulation of DNA-templated transcription
B0016987molecular_functionsigma factor activity
Functional Information from PDB Data
site_idAC1
Number of Residues10
DetailsBINDING SITE FOR RESIDUE K D 101
ChainResidue
DDG10
EDG11
DDG10
DDG11
DDG11
DK102
DK102
EDG10
EDG10
EDG11

site_idAC2
Number of Residues12
DetailsBINDING SITE FOR RESIDUE K D 102
ChainResidue
DDG9
DDG9
DDG10
DDG10
DK101
DK101
DK103
DK103
EDG9
EDG9
EDG10
EDG10

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE K D 103
ChainResidue
DDG9
DDG9
DK102
DK102
EDG9
EDG9
FDG11
FDG11
GDG11
GDG11
GK101
GK101

site_idAC4
Number of Residues12
DetailsBINDING SITE FOR RESIDUE K G 101
ChainResidue
DK103
DK103
FDG10
FDG10
FDG11
FDG11
GDG10
GDG10
GDG11
GDG11
GK102
GK102

site_idAC5
Number of Residues10
DetailsBINDING SITE FOR RESIDUE K G 102
ChainResidue
FDG9
FDG9
FDG10
FDG10
GDG9
GDG9
GDG10
GDG10
GK101
GK101

Functional Information from PROSITE/UniProt
site_idPS00867
Number of Residues8
DetailsCPSASE_2 Carbamoyl-phosphate synthase subdomain signature 2. LIEANLRL
ChainResidueDetails
ALEU202-LEU209

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues70
DetailsRegion: {"description":"Sigma-70 factor domain-1"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsMotif: {"description":"Interaction with polymerase core subunit RpoC"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues70
DetailsRegion: {"description":"Sigma-70 factor domain-2"}
ChainResidueDetails

243911

PDB entries from 2025-10-29

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