CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -29.2130 -18.4980 -106.8360 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > YH1rt7iy3KbyYIylB4lpFQ > 2025-07-07 23:34:17 > 0.9.12 > ligand > pdb-bcif > 4p99 > atom_site > {"label_asym_id":"SD","auth_seq_id":502} > 24 > 11 > 13 > 256 > 0 > 1 $$$$