UNX ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 41.5220 21.6470 65.3430 X 0 0 0 0 0 0 0 0 0 0 0 0 M END > xeAWDVkaM9W3TwHQ4aExlQ > 2025-07-02 06:03:35 > 0.9.12 > ligand > pdb-bcif > 2a4k > atom_site > {"label_asym_id":"K","auth_seq_id":272} > 7 > 7 > 4 > 311 > 0 > 1 $$$$