Color Scheme and Chain Identity:  
Histone 2A
deep blue
Chains A,E
Histone 2B
light blue
Chains B,F
Histone 3
cyan
Chains C,G
Histone 4
bluegreen 
Chains B,F
 
A bases
purple
T bases
red
G bases
yellow
C bases
green

 
 

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