Assertion: linked chromatin | /r/HasProperty | sheared by sonication
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The first uses reversibly cross-linked chromatin sheared by sonication called cross-linked ChIP (XChIP).
text: Then the cross-linked chromatin is usually sheared by sonication, providing fragments of 300 - 1000 base pairs (bp) in length.