instruction:
In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
question:
 Muscle and liver biopsies demonstrated the same anomalies , again without branching enzyme deficiency in the liver .
answer:
branching enzyme


question:
 In agreement with this model , elimination of the ADAM13 cytoplasmic domain increased developmental alterations attributable to ADAM13 proteolytic activity .
answer:
ADAM13 cytoplasmic domain


question:
 Mutations that extend the specificity of the endonuclease activity of lambda terminase .
answer:

lambda terminase