Protein Origami (image) Heidelberg Institute for Theoretical Studies (HITS) Share Print E-Mail Caption Nature has come up with numerous forms of protein folding. Most of these forms emerged after the biological Big Bang, which took place approximately 1.5 billion years ago. According to the study, folding speed belongs to the important factors of this diversification. Credit Image: Cedric Debes / HITS Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.