MG ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -3.7020 -47.2830 24.0730 MG 0 2 0 0 0 0 0 0 0 0 0 0 M END > YwSuU8P0fXuJ5L4yK8WOMg > 2025-07-12 12:00:21 > 0.9.12 > ligand > pdb-bcif > 7r3b > atom_site > {"label_asym_id":"HA","auth_seq_id":503} > 120 > 18 > 29 > 336 > 0 > 1 $$$$