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.

 Blood pressure was controlled long term ( with / without diuretics / beta - adrenoreceptor blocking drugs ) in sixteen out of nineteen patients with mild - moderate hypertension .
beta - adrenoreceptor

 In contrast to the p16 - mediated G1 block , G1 arrest mediated by the cdk inhibitors p21Cip1 or p27Kip1 cannot be bypassed either by inactivation of pRb or overexpression of E2F family members .
E2F family members

 Site - directed mutagenesis shows that sites throughout the IRE alter negative control and IRE - BP binding reflecting the fact that the footprint of the IRE - BP is over the entire IRE .

IRE - BP