Similarly, the pattern is not applicable to the helix structure, which is built-in and cannot be changed by transitions.

X-ray crystallography studies show that the amorphous form may have a helix structure with eight atoms per turn.

In fact, the double helix structure of DNA was worked out from crystallographic data.

It has a double helix structure instead of the normal straight column.

His name is a play on the double helix structure for DNA.

Many types of helix structures consisting of β-peptides have been reported.

As a graduate student, he and Ramachandran worked on the triple helix structure of the collagen molecule.

This creates the double helix structure of the microfilaments found in the cytoskeleton.

This can be seen best at night, when the bridge is lit up by a series of lights that show the double helix structure.

Gases from the star in the surrounding space appear, from our vantage point, as if we are looking down a helix structure.