CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 11.7920 50.9980 81.0360 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > n4XW7phFlQ87rAy6KU-iuw > 2025-07-03 16:14:17 > 0.9.12 > ligand > pdb-bcif > 1xk4 > atom_site > {"label_asym_id":"CA","auth_seq_id":3511} > 11 > 14 > 26 > 326 > 0 > 1 $$$$