loop_
_chem_link_bond.link_id
_chem_link_bond.value_dist
_chem_link_bond.value_dist_esd
_chem_link_bond.atom_id_1
_chem_link_bond.atom_1_comp_id
_chem_link_bond.atom_id_2
_chem_link_bond.atom_2_comp_id
PEPTIDE 1.458 0.019 N 1 CA 1
PEPTIDE 1.525 0.021 CA 1 C 1
PEPTIDE 1.329 0.014 C 1 N 2
PEPTIDE 1.231 0.020 C 1 O 1