Table 1. Binding site metrics from x-ray structures
RR*
AChBP 1UW6, Nicα4β2 AChR 5KXI, Nic
InitialEquilibratedInitialEquilibrated
dx2.83.82.11.9
dloopC12.912.913.514.6
volume89.2105.182.485.6
Θs2.42.37.57.3
Θa98.080.467.38319.6
3WIP, ACh5KXI, ACh
InitialEquilibratedInitialEquilibrated
dx2.23.2-2.2
dloopC14.313.8-14.9
volume97.8116.7-56.7
Θs2.32.3-7.4
Θa114.387.5-303.1

Distances, Å; volume, Å3; angles, degrees. Nic, nicotine.