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. Author manuscript; available in PMC: 2013 Jul 18.
Published in final edited form as: Science. 2013 Jan 18;339(6117):318–321. doi: 10.1126/science.1228705

Figure 2.

Figure 2

Interactions between the SL RNA and SLBP RBD and 3′hExo. (A). Specific recognition of G7 in the second base pair of the stem (orange) by hydrogen bonding (dashed lines in red) with the side chain of Arg181 (cyan) of SLBP. Simulated annealing omit Fo–Fc electron density for G7 and Arg181 is also shown, contoured at 5σ. (B). Interactions between the loop of the SL RNA (orange) with the SLBP RBD (cyan) and the 3′hExo SAP domain (yellow). (C). Schematic drawing summarizing the interactions between SL and SLBP RBD (cyan) and 3′hExo.