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Figure 7.
Figure 7 Stereoview of the environment behind the metal-binding
site in the N lobe, showing the interactions of Lys210 and
Lys301. Lys210 froms a hydrogen bond to Tyr192 and Tyr82 through
a water molecule which is conserved in lactoferrins. Lys301
interacts with Glu216, Asp297 and the carbonyl O atom of Asp302.
In transferrins, the corresponding Lys209 and Lys301 interact to
form a so-called Lys-Lys trigger.
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