Readers should cite both the Bio-protocol preprint and the original research article where this protocol was used:

Saunders, K(2023). Sortase A conjugation of HIV-1 envelope trimers to ferritin nanoparticles. Bio-protocol Preprint. bio-protocol.org/prep2338.
Saunders, K. O., Wiehe, K., Tian, M., Acharya, P., Bradley, T., Alam, S. M., Go, E. P., Scearce, R., Sutherland, L., Henderson, R., Hsu, A. L., Borgnia, M. J., Chen, H., Lu, X., Wu, N. R., Watts, B., Jiang, C., Easterhoff, D., Cheng, H., McGovern, K., Waddicor, P., Chapdelaine-Williams, A., Eaton, A., Zhang, J., Rountree, W., Verkoczy, L., Tomai, M., Lewis, M. G., Desaire, H. R., Edwards, R. J., Cain, D. W., Bonsignori, M., Montefiori, D., Alt, F. W., Haynes, B. F., Sutherl, L. and Eaton, A.(2019). Targeted selection of HIV-specific antibody mutations by engineering B cell maturation . Science 366(6470). DOI: 10.1126/science.aay7199