Multiple Assemblies exist for SMTL entry 1r64
The 2.2 A crystal structure of Kex2 protease in complex with Ac-Arg-Glu-Lys-boroArg peptidyl boronic acid inhibitor; X-RAY DIFFRACTION 2.20 Å

SMTL ID
1r64.1
Ligands
Ac-Arg-Glu-Lys-boroArg peptide inhibitor; SUGAR (N-ACETYL-D-GLUCOSAMINE); SUGAR (NAG-NAG); CALCIUM ION; POTASSIUM ION
Polypeptides
Kexin
Oligo-state
monomer
SMTL ID
1r64.2
Ligands
Ac-Arg-Glu-Lys-boroArg peptide inhibitor; SUGAR (N-ACETYL-D-GLUCOSAMINE); SUGAR (NAG-NAG); CALCIUM ION; POTASSIUM ION; 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
Polypeptides
Kexin
Oligo-state
monomer