Table 3 Loop-substituted aPP analogs (19−21) synthesized on solid support

From: Stabilization of a miniprotein fold by an unpuckered proline surrogate

Peptide

Sequence

Calculated m/z

Observed m/z

Yield %

 

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19

GPSQPTYPGDDAXVEDLIRFYDNLQQYLNVVTRHRY

1412.0295 [M + 3H]3+

1412.3671 [M + 3H]3+

6

20

GPSQPTYPGDDAAVEDLIRFYDNLQQYLNVVTRHRY

2105.5407 [M + 2H]2+

2105.5416 [M + 2H]2+

6

21

GPSXPXYPGDDAXVEDLIRFYDNLQQYLNVVTRHRY

1400.6860 [M + 3H]3+

1400.6922 [M + 3H]3+

5