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Table 2 Rotamers from computationally-placed hydrogen atoms in the Richardson set of structures.

From: Identification of new, well-populated amino-acid sidechain rotamers involving hydroxyl-hydrogen atoms and sulfhydryl-hydrogen atoms

Type of χ Angle

Rotamer

Population

Ser χ2: 5768 counts

-75 ± 25°

30%

 

81 ± 22°

30%

 

180 ± 26°

40%

Thr χ2: 5932 counts

-70 ± 24°

25%

 

80 ± 20°

37%

 

178 ± 24°

38%

Tyr χ3: 3645 counts

2 ± 27°

41%

 

180 ± 23°

59%

Cys χ2: 660 counts

-66 ± 32°

20%

 

72 ± 27°

38%

 

179 ± 24°

42%