TABLE 3.

B-Factor (average) for GS structure Glu flap residues and substrates

Structure	Glu flap B(av)	Substrate B(av)
	Å2	Å2
Apo	>100	NAa
Glutamate-bound	85	86.7
Transition state	24.0	20.1
Glutamine-bound	35.9	33.0

^a Not applicable.