CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 64.3490 5.9270 8.8040 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > b-qq3VJGup_ONR56Zox-vw > 2025-07-03 13:06:10 > 0.9.12 > ligand > pdb-bcif > 2k61 > atom_site > {"label_asym_id":"B","auth_seq_id":501} > 6 > 6 > 4 > 306 > 0 > 1 $$$$