1XOK
crystal structure of alfalfa mosaic virus RNA 3'UTR in complex with coat protein N terminal peptide
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 295 | 2.45M ammonium sulfate, 0.01M magnesium acetate, 0.01M mes, 0.001M samarium chloride, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 295K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.3 | 46 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 50.1 | α = 90 |
b = 123 | β = 90 |
c = 53.6 | γ = 90 |
Symmetry | |
---|---|
Space Group | C 2 2 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 | CUSTOM-MADE | 2003-08-10 | M | MAD | ||||||
2 | 1 | x-ray | 100 | CCD | CUSTOM-MADE | 2003-08-10 | M | SINGLE WAVELENGTH | ||||||
1,2 | 1 |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.91942, 0.91997, 0.92181 | APS | 19-ID |
2 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.91942 | APS | 19-ID |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 3 | 99 | 99.4 | 0.085 | 25 | 11.9 | 3508 | 3487 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1,2 | 3 | 3.19 | 98.1 | 0.405 | 4.4 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | 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 | MAD | THROUGHOUT | 3 | 20 | 0.001 | 3237 | 3236 | 326 | 99.97 | 0.251 | 0.251 | 0.249 | 0.25 | 0.26888 | 0.26 | RANDOM | 45.218 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
-3.42 | 6.93 | -3.51 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_scangle_it | 2.229 |
r_angle_refined_deg | 2.118 |
r_mcangle_it | 1.761 |
r_scbond_it | 1.392 |
r_mcbond_it | 0.849 |
r_symmetry_vdw_refined | 0.313 |
r_symmetry_hbond_refined | 0.307 |
r_nbd_refined | 0.237 |
r_xyhbond_nbd_refined | 0.202 |
r_chiral_restr | 0.091 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 244 |
Nucleic Acid Atoms | 765 |
Solvent Atoms | 7 |
Heterogen Atoms | 1 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |
SHARP | phasing |