CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 16.6750 59.2410 75.4000 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > BwnZGZX64aX2c4SrPdl3bg > 2025-07-01 05:37:59 > 0.9.12 > ligand > pdb-bcif > 1xk4 > atom_site > {"label_asym_id":"DA","auth_seq_id":3512} > 21 > 13 > 17 > 458 > 0 > 1 $$$$