Table 2.

Mean inter-ring distances between main and side chain atoms of helix D in the absence of ATP (entries 1–5 of table 1) or presence of ATP (or ATP mimic ADP.BeFx) (entries 6, 8–10 of table 1).

	mean distance (Å)
Gly88(N)–Gly88(N)
entry # 1–5	63.17 ± 0.36
entry # 8–10	66.74 ± 0.31
differential distance	3.57
Ala106(Cα)–Ala106(Cα)
entry # 1–5	8.89 ± 0.16
entry # 8–10	12.47 ± 0.14
differential distance	3.58
Lys105(ɛN)–Ala109(O)
entry # 1–5	4.74 ± 0.49
entry # 8–10	8.31 ± 0.54
differential distance	3.57