4. Identify the basic residues that contact DNA. Measure the distance between these residues and corresponding DNA bases (potential H-bond partner).  

(A) List these residues, corresponding bases and distance in a table.
 
residues
DNA bases
distance
Chain B : Lys 120 : Nz
Chain F : G 8 : O6
2.38A
Chain A : Gln 165 : NE2
Chain E : C15 : O1P
2.88A
Chain B : Ser 241 : OG
Chain E : G13 : O2P
2.96A
Chain B : Arg 273 : NH2
Chain E : T12 : O1P
2.54A
Chain B : Arg 280 : NH1
Chain E : G13 : O6
2.82A
Chain C : Ser 241 : OG
Chain E : T1 : O3'
2.98A
 
(B) Please label these residue in a picture.
 
method 1
 
 
blue : DNA
yellow : the residues that contact DNA
white : the residues that withou tcontact DNA
 
method 2
 
 
yellow : DNA
color by atoms : the residues that withou tcontact DNA
 
method 3
 
 
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