Hepatitis B virus core gene products can adopt different conformations to perform their functional roles. In this issue of Structure, DiMattia and colleagues show the crystal structure of immuno-modulating HBeAg and thereby reveal the similarities and differences between it and HBcAg, the variant found in virions. © 2013 Elsevier Ltd.
Zlotnick, A., Tan, Z., & Selzer, L. (2013, January 8). One protein, at least three structures, and many functions. Structure. Cell Press. https://doi.org/10.1016/j.str.2012.12.003