trajin ../5md.crd

vector v1 :160@CA ired :160@CB
vector v2 :200@CA ired :200@CB
vector v3 :140@CB ired :140@CG
vector v4 :198@CB ired :198@CG
vector v5 :25@CB ired :25@CG

matrix ired name matired order 2 

analyze matrix matired order vecs 5 out ired_sidechain.vec