CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 31.5770 33.2780 44.2530 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > iUmBcc2UjI6TOuSvtX0C6A > 2025-07-05 07:59:47 > 0.9.12 > ligand > pdb-bcif > 1usn > atom_site > {"label_asym_id":"E","auth_seq_id":260} > 61 > 8 > 2 > 286 > 0 > 1 $$$$