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structure nameESCHERICHIA COLI RNA POLYMERASE PROMOTER UNWINDING INTERMEDIATE (TRPI2) WITH TRAR AND RPST P2 PROMOTER
sourceESCHERICHIA COLI
experimentNMR
structural superfamilyInsert subdomain of RNA polymerase alpha subunit;C-terminal domain of RNA polymerase alpha subunit;RBP11-like subunits of RNA polymerase;
reference complex3iyd_A 6psq_M 7c97_K 8y6u_I
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signature//WRQRHRERRQ/R

Estimated binding specificities ?

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# IC=10.018 IC/col=0.345 n_of_columns=29 specificity:   
A |  96  24  24   0  54   6   0   0  96   0  24  24  24  24  24  24  24  24  24  24  24  24  24  61  24  24  24  24   0
C |   0  24  24  82  13   9   0   0   0  96  24  24  24  24  24  24  24  24  24  24  24  24  24   6  24  24  24  24  96
G |   0  24  24   8  13   6   0  96   0   0  24  24  24  24  24  24  24  24  24  24  24  24  24  13  24  24  24  24   0
T |   0  24  24   6  16  75  96   0   0   0  24  24  24  24  24  24  24  24  24  24  24  24  24  16  24  24  24  24   0
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updated Thu Jun 25 21:37:59 2026