Article
Active site loop motion in triosephosphate isomerase: T-jump relaxation spectroscopy of thermal activation.
Biochemistry - 18 Mar 2003
Desamero Ruel, Rozovsky Sharon, Zhadin Nick, McDermott Ann, Callender Robert
Abstract excerpt
As for many enzymes, the enzymatic pathway of triosephosphate isomerase (TIM) includes the partially rate determining motion of an active site loop (loop 6, residues 166-176), which must remain closed during chemistry but must open just before product release. The motion of this loop was monitored using laser induced temperature-jump relaxation spectroscopy at nanosecond to millisecond time resolution. Trp168 in...
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