Compare A-DNA, B-DNA, and Z-DNA double helix conformations.

Question

Question

Answer 1

Answer #1

ANSWER :

The comparison of double helix conformations of A-DNA, B-DNA, and Z-DNA :-

Characteristic	A-DNA	B-DNA	Z-DNA
Helix diameter	26 Å	20 Å	18 Å
Helical structure	Right handed helix	Right handed helix	Left handed helix
Helix twist per base pair	31 degree	36 degree	9 degree for pyrimidine-purine step & 51 degree for purine-pyrimidine step
Glycosidic bond conformation	Anti form	Anti form	Anti-form for pyrimidine & Syn-form for purine

Answer 2

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