Table 2. Hydrogen-bond lengths (Å) averaged between both active sites.

	Native	Native + pyruvate
Thr44 OH⋯Tyr133 OH	2.65	2.76
Thr44 OH⋯Tyr107b OH	2.64	2.69
Pyr CO1⋯Thr45 OH		2.75
Pyr CO1⋯Thr45 NH		2.94
Pyr CO2⋯Thr44 NH		2.84