Crystal structure of the Fab fragment of anti-TNFa antibody infliximab (Remicade) in a I-centered orthorhombic crystal form, Lot C
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4G3Y | PDB entry 4G3Y |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 289 | 10 mg/mL PF06438179 Fab lot A against 2.16 M sodium malonate, 4% pentaerythritol ethoxylate, crystal tracking ID 267670e4, unique puck ID sar8-9 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.49 | 64.76 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 90.66 | α = 90 |
| b = 93.3 | β = 90 |
| c = 315.66 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 21 21 21 |
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 | RAYONIX MX-300 | 2015-11-19 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.97856 | APS | 21-ID-G |
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 | 2.4 | 50 | 99.9 | 0.126 | 0.137 | 0.996 | 12.66 | 6.19 | 52789 | 31.46 | |||||||||
| 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 | 2.4 | 2.46 | 99.9 | 0.79 | 0.861 | 0.791 | 2.68 | 6.282 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 4G3Y | 2.4 | 50 | 1.36 | 52775 | 2620 | 99.89 | 0.1555 | 0.1527 | 0.15 | 0.2099 | 0.21 | 34.8659 | ||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| f_dihedral_angle_d | 13.406 |
| f_angle_d | 0.848 |
| f_chiral_restr | 0.052 |
| f_bond_d | 0.006 |
| f_plane_restr | 0.004 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6570 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 615 |
| Heterogen Atoms | 28 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XDS | data reduction |
| XSCALE | data scaling |
| PHENIX | refinement |
| PDB_EXTRACT | data extraction |
| PHASER | phasing |














