loop_
_nef_covalent_links.chain_code_1
_nef_covalent_links.sequence_code_1
_nef_covalent_links.residue_name_1
_nef_covalent_links.atom_name_1
_nef_covalent_links.chain_code_2
_nef_covalent_links.sequence_code_2
_nef_covalent_links.residue_name_2
_nef_covalent_links.atom_name_2
B 3 CYS SG B 6 CYS SG
B 5 THR OG1 B 9 GLN C