[protein]-peptidylproline (omega=0) => [protein]-peptidylproline (omega=180)
[protein]-peptidylproline (omega=0) => [protein]-peptidylproline (omega=180)
[protein]-peptidylproline (omega=0) => [protein]-peptidylproline (omega=180)
[protein]-peptidylproline (omega=0) => [protein]-peptidylproline (omega=180)