Water blockage/exit in CYP450BM3 (IMAGE) The Hebrew University of Jerusalem Caption Water blockage/exit in CYP450BM3 due to the relative positions of Prop-7 and F87 in the substrate-free (SF) and substrate-bound (SB) states. Credit Kshatresh Dutta Dubey Usage Restrictions none License Original content 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.