CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -53.6760 1.4240 42.2050 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > 9c72MTKGmqYZnkSJ2Vp5FQ > 2025-07-16 15:16:33 > 0.9.12 > ligand > pdb-bcif > 3rbz > atom_site > {"label_asym_id":"K","auth_seq_id":341} > 14 > 20 > 6 > 247 > 0 > 1 $$$$