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. Author manuscript; available in PMC: 2014 Jan 8.
Published in final edited form as: Biochemistry. 2012 Dec 18;52(1):125–131. doi: 10.1021/bi301099k

Table 4.

Comparison of Distances (Å) in the Proposed Hydrogen Bond Network Determined from the Crystal Structures of Variants of HCA II.

WT Y7Fa Y7F-N67Q N67Q
ZnSolvent-W1 2.7 2.7 2.7 2.7
W1-W2 2.7 2.6 2.6 2.9
W2-W3A 2.8 n/a 4.3 2.9
W2-W3B 2.7 2.6 3.1 2.4
W2-H64(Nδ) 3.2/6.3 3.2 2.9 6.7
ZnSolvent-H64(Nδ) 7.2/10.0 7.1 6.7 10.5
H64 in/out In in out
a

These data from (11)