ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 18.7630 -23.3790 54.5050 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > wUpp4wCXBo9-SnIj8qUR4g > 2025-07-07 23:39:16 > 0.9.12 > ligand > pdb-bcif > 5k4p > atom_site > {"label_asym_id":"K","auth_seq_id":610} > 12 > 20 > 3 > 337 > 0 > 1 $$$$