1A26
THE CATALYTIC FRAGMENT OF POLY(ADP-RIBOSE) POLYMERASE COMPLEXED WITH CARBA-NAD
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1PAW | PDB ENTRY 1PAW |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 8.5 | PROTEIN WAS CRYSTALLIZED FROM 10% PEG 600; 6% ISOPROPANOL, 100 MM TRIS PH 8.5, 5MM CARBA-NAD |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.3 | 47 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 59.04 | α = 90 |
b = 64.44 | β = 90 |
c = 96.72 | γ = 90 |
Symmetry | |
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Space Group | P 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 | 293 | AREA DETECTOR | SIEMENS | 1996-07-24 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | SIEMENS |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | 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 | 2.25 | 23 | 92.5 | 0.043 | 0.043 | 14.4 | 4.8 | 16703 | 33 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
2.25 | 2.33 | 63.3 | 0.187 | 0.187 | 4 | 2.7 |
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 Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | DIFFERENCE FOURIER | THROUGHOUT, EXCEPT LAST REFINEMENT CYCLE | PDB ENTRY 1PAW | 2.25 | 22.6 | 16703 | 1324 | 92.5 | 0.168 | 0.168 | 0.17 | 0.236 | RANDOM | 37 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
x_scangle_it | 6.7 |
x_scbond_it | 4.3 |
x_mcangle_it | 3.6 |
x_mcbond_it | 2.3 |
x_angle_deg | 1.5 |
x_bond_d | 0.01 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 2769 |
Nucleic Acid Atoms | |
Solvent Atoms | 90 |
Heterogen Atoms | 27 |
Software
Software | |
---|---|
Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
XDS | data reduction |
XSCALE | data scaling |
X-PLOR | phasing |