2.2.1.6 A108V naturally occuring mutation 700782 2.2.1.6 A117D naturally occuring mutation 700782 2.2.1.6 A117E naturally occuring mutation 700782 2.2.1.6 A117F naturally occuring mutation 700782 2.2.1.6 A117H naturally occuring mutation 700782 2.2.1.6 A117I naturally occuring mutation 700782 2.2.1.6 A117K naturally occuring mutation 700782 2.2.1.6 A117L naturally occuring mutation 700782 2.2.1.6 A117M naturally occuring mutation 700782 2.2.1.6 A117N naturally occuring mutation 700782