MTAN Enzyme Crystal (image) Technical University of Munich (TUM) Share Print E-Mail Caption Helicobacter pylori uses a special enzyme to synthesize vitamin K2, posing a potential point of attack for new medications. Neutron scattering of a crystal of this enzyme revealed a detailed picture of the positions and position changes of the hydrogen atoms in the catalytical process. Credit Andreas Ostermann / TUM 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.