Table 1 Chemical shifts (ppm) of the main chain atoms for the VPP peptide in the free and Grb2 nSH3-bound states

From: Conformational change of Sos-derived proline-rich peptide upon binding Grb2 N-terminal SH3 domain probed by NMR

 

free state

Grb2 nSH3 bound state

   

Residue

15N

13

1

13C′

15N

13

1

13C′

|Δ Cα|*

V1

122.4

59.7

4.48

174.1

122.7

59.3

4.16

173.4

0.4

P2

141.5

61.5

4.71

174.1

140.6

61.0

3.57

174.0

0.5

P3

136.0

61.3

4.74

174.8

134.7

61.2

4.54

173.3

0.1

P4

134.9

62.8

4.47

176.7

135.0

62.6

4.42

176.7

0.2

V5

121.0

59.7

4.42

174.3

124.3

60.5

4.22

174.4

0.8

P6

141.2

61.5

4.70

174.8

142.6

61.4

4.84

174.3

0.1

P7

134.9

62.8

4.45

176.8

133.7

62.8

4.58

177.5

0

R8

120.6

56.0

4.32

176.2

122.1

55.4

4.15

176.0

0.6

R9

122.7

56.0

4.37

175.2

123.8

56.1

4.24

175.1

0.1

R10

127.1

57.4

4.18

180.9

128.2

57.3

4.07

180.9

0.1

  1. *Absolute value of the 13Cα chemical shift difference between the free and bound states.