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.

[Q]: The delta Mo + SV tumor DNAs from B - lineage tumors were typically rearranged at the immunoglobulin gene loci and contained germ line configurations of the T - cell receptor beta gene .
[A]: immunoglobulin gene loci

[Q]: Recombinant caspases are typically produced in Escherichia coli expression systems with the attendant problems of solubilization , re - folding and activation of the protease .
[A]: Recombinant caspases

[Q]: Following replicate control measurements , test ramps were repeated in the presence of sodium nitroprusside ( 1 microM ) and phentolamine ( 1 microM ) to eliminate potential smooth muscle and alpha 1 - adrenoceptor effects , respectively .
[A]:
alpha 1