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. Author manuscript; available in PMC: 2011 Jun 10.
Published in final edited form as: J Med Chem. 2010 Jun 10;53(11):4550–4554. doi: 10.1021/jm1001343

Table 3.

Observed NOE cross peaks and intensities of analogs 1–3 and 8a in DMSO-d6

1 2 3 8
ΔZPhe3 NH… Phe4 NH m - - m
Pro CαH …Phe4 NH mb - - m
Pro CαH…ΔZPhe3 NH sb - S s
Pro CαH… Phe3 NH - s - -
Phe3 CαH…αZPhe4 NH - m - -
Tyr CαH… Pro CδH2 m m m m
a

NOE intensities are classified as weak (1.6–5.0 Å), medium (1.6–3.6 Å) and strong (1.6–2.9 Å).

b

The Pro CαH is partially overlapped with Phe CαH.