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. 2009 Nov 4;97(9):2550–2558. doi: 10.1016/j.bpj.2009.08.031

Table 1.

Dynamical features of the TEM β-lactamase: root mean-square fluctuations and order parameters S2 show less flexible residues in secondary structure elements and flexible residues in loops and turns

MMDwat MMDnowat Extendedwat Extendednowat SPC/Ewat SPC/Enowat
RMSFs in Å

All residues 0.51 ± 0.14 0.53 ± 0.14 0.76 ± 0.33 0.71 ± 0.35 0.50 ± 0.16 0.48 ± 0.14
α-Helices 0.47 ± 0.10 0.48 ± 0.10 0.65 ± 0.18 0.63 ± 0.23 0.44 ± 0.10 0.44 ± 0.09
β-Sheets 0.39 ± 0.06 0.41 ± 0.06 0.54 ± 0.12 0.48 ± 0.09 0.39 ± 0.06 0.39 ± 0.05
Loops 0.59 ± 0.15 0.61 ± 0.14 0.95 ± 0.38 0.86 ± 0.43 0.58 ± 0.18 0.55 ± 0.15
Ω-Loop rigid part 0.43 ± 0.05 0.45 ± 0.05 0.63 ± 0.30 0.56 ± 0.49 0.39 ± 0.12 0.40 ± 0.12
Ω-Loop flexible part 0.69 ± 0.15 0.74 ± 0.16 0.99 ± 0.02 1.28 ± 0.04 0.59 ± 0.02 0.58 ± 0.03

Order parameter S2

α-Helices 0.90 ± 0.02 0.90 ± 0.02 0.90 ± 0.02 0.90 ± 0.02 0.91 ± 0.02 0.90 ± 0.02
β-Sheets 0.90 ± 0.02 0.90 ± 0.02 0.90 ± 0.02 0.90 ± 0.02 0.91 ± 0.02 0.90 ± 0.04
Loops 0.86 ± 0.05 0.86 ± 0.04 0.85 ± 0.05 0.85 ± 0.05 0.88 ± 0.03 0.88 ± 0.04
Ω-Loop rigid part 0.90 ± 0.02 0.90 ± 0.01 0.90 ± 0.02 0.90 ± 0.02 0.90 ± 0.02 0.90 ± 0.02
Ω-Loop flexible part n.d. 0.83 0.72 ± 0.05 n.d. 0.85 ± 0.02 0.84 ± 0.02

MMDwat and MMDnowat values represent the averages over 10 simulations.