CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 33.0510 14.2750 194.5540 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > k_k5IvbNIiCWcmukJzTnRQ > 2025-07-10 01:02:51 > 0.9.12 > ligand > pdb-bcif > 4u91 > atom_site > {"label_asym_id":"F","auth_seq_id":803} > 56 > 10 > 4 > 338 > 0 > 1 $$$$