#  some aliases that may be useful for building proteins
#
# Starting from an atom on the current residue
#	C CA N C defines the phi torsion
#	N CA C N defines the psi torsion
#
alphaHelix = {
{ C CA N C -57.0 }
{ N CA C N -47.0 }
}
threeTenHelix = {
{ C CA N C -49.0 }
{ N CA C N -26.0 }
}
antiParallelBetaSheet = {
{ C CA N C -139.0 }
{ N CA C N  135.0 }
}
parallelBetaSheet = {
{ C CA N C -119.0 }
{ N CA C N  113.0 }
}

