ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 54.2300 82.5480 -0.2730 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > 9KqFjxHUf3xV40V4hFK-PA > 2025-06-14 05:09:49 > 0.9.12 > ligand > pdb-bcif > 4rr2 > atom_site > {"label_asym_id":"F","auth_seq_id":900} > 58 > 8 > 26 > 318 > 0 > 1 $$$$