HG ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 55.2520 7.8300 105.2210 HG 0 2 0 0 0 0 0 0 0 0 0 0 M END > s7_53OcY3qK6R0gwCMdKHg > 2025-07-03 12:00:18 > 0.9.12 > ligand > pdb-bcif > 4r20 > atom_site > {"label_asym_id":"J","auth_seq_id":603} > 19 > 20 > 30 > 341 > 0 > 1 $$$$