Assertion: chimera | /r/HasProperty | contaminant
Facets:
value: generally
type: MANNER
value: in transcript
type: OTHER
value: usually
type: DEGREE
Source sentences:
text: It is usually considered to be a contaminant in transcript and expressed sequence tag (which results in the moniker of EST chimera) databases.
text: Chimeras are generally considered a contaminant, as a chimera can be interpreted as a novel sequence while it is in fact an artifact.