It is the only known structure of its kind in Central Europe.

Only a few of its 84 known structures have been excavated.

Galaxy clusters are the largest known structures in the universe.

Sometime Phyre2 can't detect any confident matches to known structures.

The Youngs' isolated house is the only known structure on the east side of the canyon from which it can be seen.

Until the discovery, the oldest known structure in North America dated back 6,200 years.

Classification - is the task of generalizing known structure to apply to new data.

There are also a number of lesser known structures in the city.

Although there are several sites that will give predictions on protein structure, C16orf58 does not have a known structure yet.

There is no known 17th-century structure still standing.