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. Author manuscript; available in PMC: 2014 May 22.
Published in final edited form as: Biochemistry. 2009 Jun 2;48(21):4557–4566. doi: 10.1021/bi9003292

Table 4.

Differences in Substrate and Inhibitor Binding Energies for SHV-1 and Asn276Asp

ΔΔG (kcal/mol)
β-Lactam Substrates
ampicillin −0.18
piperacillin + 0.18
cephalothin + 0.62
Inhibitors
clavulanate + 1.00
achiral cephalothin BATSI −0.09
chiral cephalothin BATSI + 1.02
methylidene penem + 0.34
meropenem + 2.26