CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 34.0100 -131.9840 62.5260 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > 0sX1wD1QEcyWGDnhXB-3Yw > 2025-07-07 18:53:47 > 0.9.12 > ligand > pdb-bcif > 5j3x > atom_site > {"label_asym_id":"R","auth_seq_id":503} > 33 > 11 > 27 > 239 > 0 > 1 $$$$