@staticmethod
def _get_atomsection(mol2_lst):
    """Returns atom section from mol2 provided as list of strings"""
    started = False
    for idx, s in enumerate(mol2_lst):
        if s.startswith('@<TRIPOS>ATOM'):
            first_idx = idx + 1
            started = True
        elif started and s.startswith('@<TRIPOS>'):
            last_idx_plus1 = idx
            break
    return mol2_lst[first_idx:last_idx_plus1]
