structure nameSTRUCTURE OF THE PURR MUTANT, L54M, BOUND TO HYPOXANTHINE AND PURF OPERATOR DNA
(PURINE REPRESSOR)
referenceArvidson et al. Nat.Struct.Biol. 5 436 1998
sourceEscherichia coli
experimentX-ray (resolution=2.70, R-factor=?)
structural superfamilyPeriplasmic binding protein-like I;lambda repressor-like DNA-binding domains;
sequence familyPeriplasmic binding proteins and sugar b; Bacterial regulatory proteins, lacI fami;
reference complex1jft_A
links to other resourcesNAKB PDBSum PDIdb DNAproDB
protein sequence
interface signatureSTRMK

Estimated binding specificities ?

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# IC=6.130 IC/col=0.766 n_of_columns=8 specificity:   
A |   0   0   7  45  24  96   4   7
C |  96   0  74  16  24   0  84   7
G |   0  96   7  19  24   0   4  74
T |   0   0   8  16  24   0   4   8
scan!

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updated Sat Aug 2 02:02:37 2025