Fig. 7: CRM M stabilizes the roof of the active site on CrmG.

a Comparison of the structures of CrmG in complex with CRM M (purple) and CrmG in complex with l-Glu (green). b Comparison of the structures of CrmG in complex with CRM M (purple) and CrmG in complex with l-Gln (cyan). c Comparison of the structures of CrmG in complex with CRM M (purple) and CrmG in complex with l-Ala (light blue). Pi interactions are indicated with green dash line.