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DNA Double Helix — B-Form
Pitch: 3.4 nm
Base pairs/turn: 10
Diameter: 2.0 nm
Rise/bp: 0.34 nm
Base Pair Colors
Adenine (A) -- 2 H-bonds
Thymine (T) -- 2 H-bonds
Guanine (G) -- 3 H-bonds
Cytosine (C) -- 3 H-bonds
RNA Polymerase