Mattle, D., Singhal, A., Schmid, G., Dawson, R., & Standfuss, J. (2015). Mammalian expression, purification, and crystallization of rhodopsin variants. In B. Jastrzebska (Ed.), Methods in molecular biology: Vol. 1271. Rhodopsin. Methods and protocols (pp. 39-54). https://doi.org/10.1007/978-1-4939-2330-4_3