CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -1.4250 -17.6840 -116.2840 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > F3xWepK37l2r8HYqjGtcag > 2025-07-13 01:39:53 > 0.9.12 > ligand > pdb-bcif > 4p99 > atom_site > {"label_asym_id":"I","auth_seq_id":505} > 142 > 12 > 21 > 246 > 0 > 1 $$$$