7b20_ABCD : 3D-footprint complex

structure name	DTXR-LIKE IRON-DEPENDENT REGULATOR IDER COMPLEXED WITH IRON AND ITS CONSENSUS DNA-BINDING SEQUENCE
reference	Marcos-Torres et al.
experiment	X-ray (resolution=2.18, R-factor=?)
structural superfamily	Iron-dependent repressor protein, dimerization domain;C-terminal domain of transcriptional repressors;"Winged helix" DNA-binding domain;
reference complex	7b24_C
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 7b20_A interface=35,37,38,40,41,45, dlidttemylrtiydleeegvvplrariaerleqSgPTvSQtvaRmerdglltvaedrhleltkagraraisvmrkhrlaerllvdvigleweqvhleacrwehvmseaverklvkllgnpttspygnpipgldelgv > 7b20_B interface=36,38,39,41,42,46, ndlidttemylrtiydleeegvvplrariaerleqSgPTvSQtvaRmerdglltvaedrhleltkagraraisvmrkhrlaerllvdvigleweqvhleacrwehvmseaverklvkllgnpttspygnpipgldelgvsvepvdtdlrrvdevarsgggralvcriaehvqldpdlmselkkvgvvpgneidivavagvnkpiqvqgseggtqlqpgiahavmvrvk > 7b20_C interface=36,38,39,41,42,46, ndlidttemylrtiydleeegvvplrariaerleqSgPTvSQtvaRmerdglltvaedrhleltkagraraisvmrkhrlaerllvdvigleweqvhleacrwehvmseaverklvkllgnpttspygnpipgldelgvsvepvdtdlrrvdevarsgggralvcriaehvqldpdlmselkkvgvvpgneidivavagvnkpiqvqgseggtqlqpgiahavmvrvk > 7b20_D interface=35,37,38,40,41,45, dlidttemylrtiydleeegvvplrariaerleqSgPTvSQtvaRmerdglltvaedrhleltkagraraisvmrkhrlaerllvdvigleweqvhleacrwehvmseaverklvkllgnpttspygnpipgldelgv
interface signature	SPTSQR/SPTSQR/SPTSQR/SPTSQR

Estimated binding specificities ?

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# IC=13.346 IC/col=0.890 n_of_columns=15

specificity:

A |  96   3   0   3  24  81   4   6   3   3  24  86   0   3   0
C |   0   3   0   3  24   6   3  90  86   6  24   3  96  74   0
G |   0  87  96   4  24   3  86   0   4   3  24   4   0   3   0
T |   0   3   0  86  24   6   3   0   3  84  24   3   0  16  96

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updated Tue Jan 6 20:26:53 2026