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.

 Two coxsackievirus B3 ( CVB3 ) variants ( H3 and H310A1 ) differ by a single amino acid mutation in the VP2 capsid protein .
VP2 capsid protein

 We have previously reported that BMP - 2 inhibited the growth of HS - 72 mouse hybridoma cells by inducing p21 ( CIP1 / WAF1 ) expression .
BMP - 2

 Here it is shown that ZEBRA also behaves as a sequence - specific transcriptional activator in Saccharomyces cerevisiae .

transcriptional activator