CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 2.1860 -13.1560 33.4740 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > SC69C9dqsfq6MCoPN5zpCQ > 2025-04-26 21:39:33 > 0.9.12 > ligand > pdb-bcif > 3rrv > atom_site > {"label_asym_id":"K","auth_seq_id":255} > 50 > 19 > 19 > 296 > 0 > 1 $$$$