Serine 363 of the δ-opioid receptor is crucial for adopting distinct pathways to activate ERK1/2 in response to stimulation with different ligands.

2010 Chi Xu, Minhua Hong, Le-Sha Zhang, Yuanyuan Hou, Yuhua Wang, Feifei Wang, Yuejun Chen*, Xuejun Xu, Jie Chen, Xin Xie, Lan Ma, Zhiqiang Chi, Jinggen Liu*.