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. Author manuscript; available in PMC: 2009 Nov 26.
Published in final edited form as: J Am Chem Soc. 2008 Nov 26;130(47):15814–15816. doi: 10.1021/ja804993y

Table 1.

graphic file with name nihms72658f8.jpg
Entry C-terminal AA Time (h) Yield
1 Thr (2) 2 79% (7)
2 Val (3) 6 69% (8)
3 Ile (4) 7 70% (9)
4 D-allo-Ile (5) 6 60% (10)
5 Pro (6) 15 50% (11)

Reagents and conditions: (a) Buffer at pH= 6.3–6.5 (6.0 M Gn·HCl, 188.8 mM Na2HPO4, 7.2 mM p-NO2PhOH), TCEP, RT