Crystal Structure of human Legumain in complex with (2S)-N-[(3S)-5-amino-5-oxopent-1-yn-3-yl]-1-[1-[4-(cyclopropylmethoxy)phenyl]cyclopropanecarbonyl]pyrrolidine-2-carboxamide
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 293 | 26mg/mL deglycosylated protein in 25mM HEPES/NaOH pH7, 300 mM NaCl, 200mM Trehalose incubated with 10-fold excess of ligand, then mixed 50-70% with 50-30% reservoir consisting of 22.5% PEG smear low, 0.1M MES/NaOH, 10% v/v 2-Propanol, total volume 200nL |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.4 | 11.98 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 117.798 | α = 90 |
| b = 117.798 | β = 90 |
| c = 102.812 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 3 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | 2020-12-21 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SLS BEAMLINE X10SA | 1.00005 | SLS | X10SA |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||
| 1 | 2.18 | 51.41 | 100 | 0.244 | 0.257 | 0.997 | 7.7 | 10.302 | 43660 | 51.649 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 2.18 | 2.23 | 100 | 4.495 | 4.725 | 0.219 | 0.52 | 10.565 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | inhouse model | 2.18 | 51.46 | 27034 | 1396 | 65.09 | 0.2258 | 0.2234 | 0.22 | 0.2724 | 0.27 | RANDOM | 38.796 | ||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| 0.25 | 0.13 | 0.25 | -0.83 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.437 |
| r_dihedral_angle_4_deg | 18.667 |
| r_dihedral_angle_3_deg | 15.005 |
| r_dihedral_angle_1_deg | 7.011 |
| r_mcangle_it | 1.529 |
| r_angle_refined_deg | 1.377 |
| r_angle_other_deg | 1.202 |
| r_mcbond_it | 0.835 |
| r_mcbond_other | 0.835 |
| r_chiral_restr | 0.058 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6279 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 88 |
| Heterogen Atoms | 2963 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XSCALE | data scaling |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| XDS | data reduction |
| XSCALE | data scaling |
| PHASER | phasing |














