Conformational changes and metastable states induced in proteins by green light Sorin Comorosan, Irinel Popescu, Silviu Polosan, Cristian Pirvu, Elena Ionescu, Liliana Paslaru and Marian Apostol Eur. Phys. J. B, 88 1 (2015) 8 Published online: 08 January 2015 DOI: 10.1140/epjb/e2014-50717-8