def find_native_contacts(native_file, thresh, min_seq_separation, mode='binary'):
    '\n    finds all native contacts from native PDB file\n    '
    (native_coords, resis) = read_PDB(native_file, atom='CA')
    native_contacts = compute_contacts_matrix(native_coords, thresh=thresh, min_seq_separation=min_seq_separation, mode=mode)
    return native_contacts
finds all native contacts from native PDB file
def find_native_contacts(native_file, thresh, min_seq_separation, mode='binary'):
    '\n    \n    '
    (native_coords, resis) = read_PDB(native_file, atom='CA')
    native_contacts = compute_contacts_matrix(native_coords, thresh=thresh, min_seq_separation=min_seq_separation, mode=mode)
    return native_contacts