Assertion: alkaptonuria | /r/HasProperty | a result of a mutation
Facets:
Source sentences:
text: Alkaptonuria is a result of a mutation that causes a protein/enzyme (homogentisate 1,2-dioxygenase) to become defective.
text: Alkaptonuria is a result of a mutation in the gene, homogentisate 1, 2-dioxygenase (HGD).