Example #1
0
 def setUp(self):
     self.a2c = FullAtomModel.Angles2Coords()
     self.c2tc = FullAtomModel.Coords2TypedCoords()
     self.c2cc = FullAtomModel.CoordsTransform.Coords2CenteredCoords(
         rotate=True, translate=True)
     self.error = 0.0
     self.N = 0
 def __init__(self, device='cpu', num_sequences=32, seq_length=350):
     self.module = FullAtomModel.Angles2Coords()
     self.sequences = [
         gen_rand_seq(seq_length) for i in range(num_sequences)
     ]
     # print(self.sequences)
     self.angles = torch.randn(len(self.sequences),
                               7,
                               len(self.sequences[-1]),
                               dtype=torch.double,
                               device='cpu',
                               requires_grad=True)
Example #3
0
import torch
from TorchProteinLibrary import FullAtomModel
import numpy as np
import matplotlib.pylab as plt
import mpl_toolkits.mplot3d.axes3d as p3

if __name__ == '__main__':
    a2c = FullAtomModel.Angles2Coords()
    sequences = ['GGMLGWAHFGY']

    #Setting conformation to alpha-helix
    angles = torch.zeros(len(sequences),
                         7,
                         len(sequences[-1]),
                         dtype=torch.double,
                         device='cpu')
    angles.data[:, 0, :] = -1.047
    angles.data[:, 1, :] = -0.698
    angles.data[:, 2:, :] = 110.4 * np.pi / 180.0

    #Converting angles to coordinates
    coords, res_names, atom_names, num_atoms = a2c(angles, sequences)

    #Making a mask on CA, C, N atoms
    is0C = torch.eq(atom_names[:, :, 0], 67).squeeze()
    is1A = torch.eq(atom_names[:, :, 1], 65).squeeze()
    is20 = torch.eq(atom_names[:, :, 2], 0).squeeze()
    is0N = torch.eq(atom_names[:, :, 0], 78).squeeze()
    is10 = torch.eq(atom_names[:, :, 1], 0).squeeze()
    isCA = is0C * is1A * is20
    isC = is0C * is10
	def setUp(self):
		self.a2c = FullAtomModel.Angles2Coords()
		self.c2tc = FullAtomModel.Coords2TypedCoords()
 def setUp(self):
     self.a2c = FullAtomModel.Angles2Coords()