UNX ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 42.4520 16.8610 20.5610 X 0 0 0 0 0 0 0 0 0 0 0 0 M END > sK2fhWv9048xl0xpP8yDnA > 2025-07-09 06:06:54 > 0.9.12 > ligand > pdb-bcif > 2a4k > atom_site > {"label_asym_id":"CA","auth_seq_id":275} > 6 > 11 > 19 > 348 > 0 > 1 $$$$