1trr_JK : 3D-footprint complex

structure name	TANDEM BINDING IN CRYSTALS OF A TRP REPRESSOR/OPERATOR HALF-SITE COMPLEX
reference	Lawson et al.
source	ESCHERICHIA COLI
experiment	X-ray (resolution=2.40, R-factor=?)
structural superfamily	TrpR-like;
reference complex	1co0_A
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 1trr_J interface=1,67,68,78,79,80,82,83, AqqspysaamaeqrheewlrfvdllknayqndlhlpllnlmltpderealgtrvriveellrgemsQRelknelgagIATiTRgsnslkaapvelrqwleevll > 1trr_K interface=79,80, aqqspysaamaeqrheewlrfvdllknayqndlhlpllnlmltpderealgtrvriveellrgemsqrelknelgagiATitrgsnslkaapvelrqwleevll
interface signature	AQRIATTR/AT

Estimated binding specificities ?

readout + contact

# IC=5.674 IC/col=0.405 n_of_columns=14

specificity:

A |   0   0   5  24   6  24  24  24  24  24  11  11  24   5
C |  96   0   5  24  90  24  24  24  24  24  67  16  24   7
G |   0  96   5  24   0  24  24  24  24  24   5  39  24  11
T |   0   0  81  24   0  24  24  24  24  24  13  30  24  73

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updated Wed Jun 24 11:44:42 2026