from __future__ import absolute_import, division, print_function
standard_cif_links = [
  ['link_ACE_C-N', 'Taken from Monomer Library or GeoStd'],
  ['link_AHT-ALA', 'Taken from Monomer Library or GeoStd'],
  ['link_ALPHA1-2', 'Taken from Monomer Library or GeoStd'],
  ['link_ALPHA1-3', 'Taken from Monomer Library or GeoStd'],
  ['link_ALPHA1-4', 'Taken from Monomer Library or GeoStd'],
  ['link_ALPHA1-6', 'Taken from Monomer Library or GeoStd'],
  ['link_ALPHA2-3', 'Taken from Monomer Library or GeoStd'],
  ['link_ALPHA2-6', 'Taken from Monomer Library or GeoStd'],
  ['link_BETA1-2', 'Taken from Monomer Library or GeoStd'],
  ['link_BETA1-3', 'Taken from Monomer Library or GeoStd'],
  ['link_BETA1-4', 'Taken from Monomer Library or GeoStd'],
  ['link_BETA1-6', 'Taken from Monomer Library or GeoStd'],
  ['link_BETA2-3', 'Taken from Monomer Library or GeoStd'],
  ['link_BOC_C-N', 'Taken from Monomer Library or GeoStd'],
  ['link_BR-C5', 'Taken from Monomer Library or GeoStd'],
  ['link_CH2-N2', 'Taken from Monomer Library or GeoStd'],
  ['link_CH3-N1', 'Taken from Monomer Library or GeoStd'],
  ['link_CH3-O2*', 'Taken from Monomer Library or GeoStd'],
  ['link_CIS', 'Taken from Monomer Library or GeoStd'],
  ['link_CYS-MPR', 'Taken from Monomer Library or GeoStd'],
  ['link_DFO-NME', 'Taken from Monomer Library or GeoStd'],
  ['link_DFO_C-N', 'Taken from Monomer Library or GeoStd'],
  ['link_DFO_DFO', 'Taken from Monomer Library or GeoStd'],
  ['link_DFO_N-C', 'Taken from Monomer Library or GeoStd'],
  ['link_DFO_STA', 'Taken from Monomer Library or GeoStd'],
  ['link_DM1-CH2', 'Taken from Monomer Library or GeoStd'],
  ['link_FE-CYS', 'Taken from Monomer Library or GeoStd'],
  ['link_FOR-LYZ', 'Taken from Monomer Library or GeoStd'],
  ['link_FOR_C-C', 'Taken from Monomer Library or GeoStd'],
  ['link_FOR_C-N', 'Taken from Monomer Library or GeoStd'],
  ['link_ILG_CD-N', 'Taken from Monomer Library or GeoStd'],
  ['link_ILG_CD-p', 'Taken from Monomer Library or GeoStd'],
  ['link_IVA_C-N', 'Taken from Monomer Library or GeoStd'],
  ['link_LINK_C-N', 'Taken from Monomer Library or GeoStd'],
  ['link_LINK_CNp', 'Taken from Monomer Library or GeoStd'],
  ['link_LINK_CpN', 'Taken from Monomer Library or GeoStd'],
  ['link_MAN-ASN', 'Taken from Monomer Library or GeoStd'],
  ['link_MAN-SER', 'Taken from Monomer Library or GeoStd'],
  ['link_MAN-THR', 'Taken from Monomer Library or GeoStd'],
  ['link_MG-O1P', 'Taken from Monomer Library or GeoStd'],
  ['link_MG-O2P', 'Taken from Monomer Library or GeoStd'],
  ['link_MPR-CYS', 'Taken from Monomer Library or GeoStd'],
  ['link_NAG-ASN', 'Taken from Monomer Library or GeoStd'],
  ['link_NAG-SER', 'Taken from Monomer Library or GeoStd'],
  ['link_NAG-THR', 'Taken from Monomer Library or GeoStd'],
  ['link_NH2_CTERM', 'Taken from Monomer Library or GeoStd'],
  ['link_NMCIS', 'Taken from Monomer Library or GeoStd'],
  ['link_NME_N-C', 'Taken from Monomer Library or GeoStd'],
  ['link_NMTRANS', 'Taken from Monomer Library or GeoStd'],
  ['link_PCIS', 'Taken from Monomer Library or GeoStd'],
  ['link_PEPTIDE-PLANE', 'Taken from Monomer Library or GeoStd'],
  ['link_PTRANS', 'Taken from Monomer Library or GeoStd'],
  ['link_SFN-TYR', 'Taken from Monomer Library or GeoStd'],
  ['link_SS', 'Taken from Monomer Library or GeoStd'],
  ['link_STA-NME', 'Taken from Monomer Library or GeoStd'],
  ['link_STA_C-N', 'Taken from Monomer Library or GeoStd'],
  ['link_STA_DFO', 'Taken from Monomer Library or GeoStd'],
  ['link_STA_N-C', 'Taken from Monomer Library or GeoStd'],
  ['link_STA_STA', 'Taken from Monomer Library or GeoStd'],
  ['link_TRANS', 'Taken from Monomer Library or GeoStd'],
  ['link_XYS-ASN', 'Taken from Monomer Library or GeoStd'],
  ['link_XYS-SER', 'Taken from Monomer Library or GeoStd'],
  ['link_XYS-THR', 'Taken from Monomer Library or GeoStd'],
  ['link_ZN-CYS', 'Taken from Monomer Library or GeoStd'],
  ['link_gap', 'Taken from Monomer Library or GeoStd'],
  ['link_p', 'Taken from Monomer Library or GeoStd'],
  ['link_symmetry', 'Taken from Monomer Library or GeoStd'],
  # for MTN radical
  ['link_MTN-CYS', 'Taken from Monomer Library or GeoStd'],
]