CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 74.1370 65.1290 47.2170 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > bi7Ayu1XsiqU9rOrpjGqnw > 2025-07-01 14:21:40 > 0.9.12 > ligand > pdb-bcif > 4iu2 > atom_site > {"label_asym_id":"C","auth_seq_id":301} > 36 > 9 > 6 > 272 > 0 > 1 $$$$