def angle_triple
import bend-prot@0.1.0.0/bonded.bend as Bondedimport Base
import bend-prot@0.1.0.0/protein.bend as P
114def angle_triple(+xs: List<&2, P.Atom>, sa: U32, sb: U32, sc: U32, +k: F32, +eq: F32) -> F32:
115 angle_e2(pos_of_serial(xs, sa), pos_of_serial(xs, sb), pos_of_serial(xs, sc), k, eq)