4i2o_B : 3D-footprint complex

structure name	THE STRUCTURE OF FIXK2 FROM BRADYRHIZOBIUM JAPONICUM (FixK2 protein)
reference	Gruetter et al. J.Biol.Chem. 288 14238 2013
source	Bradyrhizobium japonicum
experiment	X-ray (resolution=1.77, R-factor=0.185)
structural superfamily	cAMP-binding domain-like;"Winged helix" DNA-binding domain;
sequence family	Cyclic nucleotidebinding domain; Bacterial regulatory proteins, crp famil;
multimeric complexes	4i2o_AB
links to other resources	NAKB PDIdb DNAproDB
protein sequence	> 4i2o_B interface=157,158,159,160,162,163, lvatefsyrkdeeiygedepaeyvyqvvtgavrsykllsdgrrqigafhlpgdvfglesgpshrlaaeaiidtsvrlvkrsslekaagidvqvarklwamtagelrhaedhmlllgrktamervatfllemdrrlavagmmalpmsrrdigdylglTLETvSRalsqlhtqgilgfsgarqivlrnrqrlhnldaaaa
interface signature	TLETSR

Estimated binding specificities ?

readout + contact

# IC=3.571 IC/col=0.893 n_of_columns=4

specificity:

A |  16   0   1  88
C |  16   0   2   2
G |  19   0  92   2
T |  45  96   1   4

scan!

Dendrogram of similar interfaces ?

matrix format

  
  --HT--STAT--STRG--------------   L       +-------------------------5lej_A    
                                         +-3 
  TT----KATT--QTTG--LTRTKA--FTYT   L     ! !                   +-----2p7c_B    
                                         ! +-------------------2 
  --------------RC--YG----KT----       +-4                     +-----2acj_B    
                                       ! ! 
  ----RT----VG--RT--------------       ! !                           +8h40_X    
                                     --5 +---------------------------1 
  --ITRGECSC--SGKG--------------   L   !                             +5i2d_R    
                                       ! 
  ------DCKT----RGSTRGYA--------   L   +-----------------------------4bnc_A

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updated Sat Jan 10 07:08:23 2026