ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -12.2810 71.4570 103.7620 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > IMo818nioVHPpzLo9bv66w > 2025-07-16 01:38:02 > 0.9.12 > ligand > pdb-bcif > 4k7d > atom_site > {"label_asym_id":"K","auth_seq_id":508} > 52 > 6 > 12 > 262 > 0 > 1 $$$$