CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -1.5680 101.9580 -12.0830 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > 2nxes6f4RgVLOUeJFcb7FQ > 2025-07-13 19:25:18 > 0.9.12 > ligand > pdb-bcif > 4bq5 > atom_site > {"label_asym_id":"S","auth_seq_id":1806} > 17 > 21 > 53 > 381 > 0 > 1 $$$$