ZN ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 12.1570 83.5400 63.6310 ZN 0 2 0 0 0 0 0 0 0 0 0 0 M END > 5pxIz6TveFqsWS3MyBi8HA > 2025-07-02 12:10:44 > 0.9.12 > ligand > pdb-bcif > 4z3u > atom_site > {"label_asym_id":"K","auth_seq_id":301} > 20 > 18 > 8 > 326 > 0 > 1 $$$$