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. Author manuscript; available in PMC: 2013 Oct 10.
Published in final edited form as: J Am Chem Soc. 2012 Oct 2;134(40):16701–16716. doi: 10.1021/ja306438n

Table 8.

Comparison of L- and S-N47S and L- and S-F114N bond distances, covalencies, and IEs.

L-N47S S-N47S L-F114N S-F114N L-N47S S-N47S L-F114N S-F114N 3JTB (1.8 Å)

oxidized reduced
Cu-S(Cys) 2.207 2.217 2.199 2.214 2.301 2.308 2.281 2.297 2.20
Cu-S(Met) 3.317 3.317 3.317 3.317 3.317 3.317 3.317 3.317 3.19
Cu-N(His)l 2.019 2.002 2.026 2.017 2.098 2.113 2.113 2.132 2.26
Cu-N(His)r 2.057 2.047 2.063 2.038 2.156 2.150 2.158 2.115 2.09
S(Cys)-Xla 3.548 3.439 3.529 3.439 3.493 3.439 3.498 3.439 3.49
S(Cys)-Xr 3.533 3.569 3.580 3.569 3.423 3.569 3.480 3.569 3.56
S(Cys)-O(H)(CO(1)) -- -- 3.574 3.430 -- -- 3.465 3.407 4.13
Cu-O(CO(2)) 2.578 2.597 2.549 2.597 2.558 2.597 2.549 2.597 2.82
Cu-C(CO(3)) -- -- 4.586 4.672 -- -- 4.586 4.650 4.88

Cudb 40.0 44.6 38.4 41.2 4.58 4.47 4.35 4.18 IE (eV)
Spb 29.5 25.6 32.4 30.3 0.27 0.32 0.04 0.03 ΔIE (eV)
Cudc 46.1 49.9 43.8 45.8 −3.0 −3.1 −0.1 1.6 ΔSpb
Spc 35.7 30.2 39.0 35.6 −3.5 −3.8 −0.2 1.6 ΔSpc
a

X = N for large models and F for small models.

b

CSPA population analysis.

c

Mulliken population analysis.