CA ModelServer 0.9.12 1 0 0 0 0 0 0 0 0 0 0 45.1520 25.8440 36.8040 CA 0 2 0 0 0 0 0 0 0 0 0 0 M END > MHCM5lR7ARqrNiG6ovC0AA > 2025-07-03 10:36:55 > 0.9.12 > ligand > pdb-bcif > 1aei > atom_site > {"label_asym_id":"K","auth_seq_id":317} > 13 > 13 > 29 > 308 > 0 > 1 $$$$