CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 123.0300 9.9890 4.7980 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > f6JmH5yNvCY6s3i4yuKyMQ > 2025-07-02 10:36:03 > 0.9.12 > ligand > pdb-bcif > 2e51 > atom_site > {"label_asym_id":"R","auth_seq_id":303} > 37 > 45 > 53 > 1370 > 0 > 1 $$$$