CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -68.1830 22.3630 -48.5490 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > PoASSSNWnfOlpXzM7Bd6Cw > 2025-07-11 05:29:20 > 0.9.12 > ligand > pdb-bcif > 6k54 > atom_site > {"label_asym_id":"P","auth_seq_id":501} > 16 > 24 > 28 > 326 > 0 > 1 $$$$