CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 -13.9480 -12.9250 -50.0040 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > RpXpRA43YGFmkcgyQMRgEA > 2025-03-27 21:33:14 > 0.9.12 > ligand > pdb-bcif > 4kpn > atom_site > {"label_asym_id":"J","auth_seq_id":400} > 43 > 13 > 18 > 324 > 0 > 1 $$$$