Fig. 5 | Nature Communications

Fig. 5

From: Capturing an initial intermediate during the P450nor enzymatic reaction using time-resolved XFEL crystallography and caged-substrate

Fig. 5

Structure of the NADH channel entrance in the a A and b B chains of resting P450nor at ambient temperature. The 2F o−F c maps are shown in gray and contoured at 1.0σ. The F o−F c positive maps are shown in turquoise and contoured at 2.3σ. The structure factor F c was calculated from the open form (blue Cα trace) of the NADH channel. The refined structure of the closed form is shown in orange (40% occupancy). The structures using the “Dark2” data of MC-2 are presented

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