BR ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -71.6320 136.8070 12.8710 BR 0 5 0 0 0 0 0 0 0 0 0 0 M END > g4ifPo2GmwIF771mZ5yCQg > 2025-07-13 12:58:09 > 0.9.12 > ligand > pdb-bcif > 3u6x > atom_site > {"label_asym_id":"KA","auth_seq_id":301} > 53 > 14 > 50 > 339 > 0 > 1 $$$$