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Ammonia transfer from the glutamine site to the fructose-6P site of bacterial glucosamine-6-phosphate synthase was studied by molecular dynamics simulations. The studies suggest a key role for Trp74, in the sealing of the hydrophobic channel connecting the two binding sites, as well as for the two Ala602 and Val605 residues, which form a narrow passage whose opening/closing constitutes an essential...
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