Amide bonds between two amino acids (as shown below) are generally in trans-conformation. The atoms are labeled as A1 through A6. The angle measured…

Amide bonds between two amino acids (as shown below) are generally in trans-conformation. The atoms are labeled as A1 through A6. The angle measured for defining the trans-conformation of the amide bond is the angle between:

Select an option to attempt

1. A
   the atoms A2, A3 and A4.
2. B
   the planes formed by A1,A3,A4 and A3,A4,A6.
3. C
   the planes formed by A2,A3,A4 and A6,A4,A5.
4. D
   the planes formed by A2,A3,A4 and A3,A4,A6.