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Figure 10.
Figure 10. (a) Structure and
(2lF
ol 2 lFc l); ac map for trypsin-CRA-18306, pH 7.2, 1.56 A
š
resolution. The OSer195
g
--
Ophenol hydrogen bond is short (2.35 ^ 05 A
š
) at pH , 7.7 and longer at pH . 7.8 (2.59 ^ 09 A
š
, Table S1). (b) Structure
and
(2lF
o l 2 lFcl); ac map for trypsin-CRA-18607, pH 7.9, 1.55 A
š
resolution. Hydrogen bonds (short and ordinary) cor-
responding to the (Ooxy, OSer195 (conformation 1)
g
, Ophenol) array are cyan, while those for the (OS2, OSer195 (conformation 2)
g
, Ophenol)
array are yellow, (or olive green for NHis57
12
-- OS2).
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