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test_model_runall.py
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test_model_runall.py
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import os
import numpy as np
import torch as pt
from tqdm import tqdm
import src as sp
import runtime as rt
def scoring(p, y, conf):
# compute confidence probability
c = pt.from_numpy(conf(p.numpy()))
# get sequence
seq_ref = rt.max_pred_to_seq(y)
seq = rt.max_pred_to_seq(c)
# assess predictions
return {
"size": p.shape[0],
"recovery_rate": rt.recovery_rate(y, c).numpy().item(),
"sequence_similarity": rt.sequence_similarity(seq_ref, seq),
"maximum_recovery_rate": rt.maximum_recovery_rate(y, p).numpy().item(),
"average_multiplicity": rt.average_multiplicity(p).numpy().item(),
"average_maximum_confidence": rt.average_maximum_confidence(p).numpy().item(),
"average_maximum_score": rt.average_maximum_confidence(c).numpy().item(),
}
def main():
# parameters
device = pt.device("cuda")
# results parameters
output_dir = "results/data"
# model parameters
# r6
save_path = "model/save/s_v6_4_2022-09-16_11-51" # virtual Cb & partial
#save_path = "model/save/s_v6_5_2022-09-16_11-52" # virtual Cb, partial & noise
# r7
#save_path = "model/save/s_v7_0_2023-04-25" # partial chain
#save_path = "model/save/s_v7_1_2023-04-25" # partial secondary structure
#save_path = "model/save/s_v7_2_2023-04-25" # partial chain high coverage
# create models
model = rt.SequenceModel(save_path, "model.pt", device=device)
# create confidence mapping
#conf = rt.ConfidenceMap("results/{}_cdf.csv".format(os.path.basename(save_path)))
# parameters
sids_selection_filepath = "datasets/subunits_validation_set_cath_subset.txt"
sids_train_filepath = "datasets/subunits_train_set.txt"
# load selected sids
sids_sel = np.genfromtxt(sids_selection_filepath, dtype=np.dtype('U'))
sids_sel = np.unique(np.array([s.split('_')[0] for s in sids_sel]))
# mask partial in training set
m_tr = np.isin(sids_sel, [s.split('_') for s in np.genfromtxt(sids_train_filepath, dtype=np.dtype('U'))])
sids_sel = sids_sel[~m_tr]
# find validation structure ids
pdbids_sel = np.array([sid.split('_')[0].lower() for sid in sids_sel])
# get filepaths
pdb_filepaths = ['data/all_biounits/{}/{}.pdb1.gz'.format(pdbid[1:3], pdbid) for pdbid in pdbids_sel]
pdb_filepaths = [fp for fp in pdb_filepaths if os.path.exists(fp)]
pdb_filepaths = [fp for fp in pdb_filepaths if os.path.getsize(fp) < 1e6]
# set up dataset
dataset = rt.StructuresDataset(pdb_filepaths)
# parameters
N = len(dataset)
# sample predictions
for i in tqdm(np.random.choice(len(dataset), N, replace=False)):
try:
# output file
pdb_filepath = dataset.pdb_filepaths[i]
out_filepath = os.path.join(output_dir, os.path.basename(pdb_filepath).split('.')[0]+".pt")
if os.path.exists(out_filepath):
continue
# load structure
_, structure = dataset[i]
structure['chain_name'] = np.array([str(cid) for cid in structure['cid']])
# molecule type and discard unclassified
subunits = sp.split_by_chain(structure)
sub_types = rt.subunits_type(subunits)
subunits = {cid:subunits[cid] for cid in [st[1] for st in sub_types if st[0] == 'protein']}
if len(subunits) == 0:
continue
structure = sp.concatenate_chains(subunits)
# max size
if structure['xyz'].shape[0] > model.module.config_data['max_size']:
continue
# min size
if len(np.unique(structure['resid'])) < model.module.config_data['min_num_res']:
continue
# apply model on full structure
structure, p, y = model(structure)
# find Cbeta distances
xyz_cb = pt.from_numpy(structure['xyz'][structure['name'] == "CB"]).to(device)
# check shape
if xyz_cb.shape[0] == p.shape[0]:
# distances
D = sp.extract_geometry(xyz_cb)[0]
dcb = pt.topk(D, 32+1, dim=1, largest=False)[0][:,1:].cpu()
# store results
pt.save({'p': p, 'y': y, 'dcb': dcb}, out_filepath)
except Exception as e:
print("ERROR", i, e)
if __name__ == '__main__':
main()