1AMU
PHENYLALANINE ACTIVATING DOMAIN OF GRAMICIDIN SYNTHETASE 1 IN A COMPLEX WITH AMP AND PHENYLALANINE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 6.5 | 291 | CRYSTALS WERE GROWN USING THE VAPOR DIFFUSION TECHNIQUE. THE PROTEIN AT 15 MG/ML IN 10 MM TRIS-HCL PH7.8, 50 MM NACL, 15% GLYCEROL, 2 MM ATP, 2 MM L-PHE AND 4 MM MGCL2 WAS EQUILIBRATED WITH AN EQUAL VOLUME OF RESERVOIR SOLUTION CONTAINING 28-32%(W/V) METHOXY POLYETHYLENE GLYCOL 5000, 200 MM AMMONIUM SULFATE, AND 100 MM ADA PH6.5 AT 18C., vapor diffusion, temperature 291K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.5 | 50 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 61.68 | α = 90 |
b = 154.77 | β = 93.91 |
c = 65.3 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 1 21 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 | IMAGE PLATE | MAR scanner 300 mm plate | 1996-09-09 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE BW7B | EMBL/DESY, HAMBURG | BW7B |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.9 | 20 | 96.4 | 0.051 | 7.3 | 2.5 | 91144 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1.9 | 2 | 88.3 | 0.232 | 2.7 | 1.9 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MIR | THROUGHOUT | 1.9 | 20 | 91142 | 3656 | 95.3 | 0.213 | 0.213 | 0.246 | RANDOM | 33 |
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 |
x_dihedral_angle_d | 24.1 |
x_angle_deg | 1.37 |
x_improper_angle_d | 1.1 |
x_bond_d | 0.008 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 7897 |
Nucleic Acid Atoms | |
Solvent Atoms | 569 |
Heterogen Atoms | 54 |
Software
Software | |
---|---|
Software Name | Purpose |
MOSFLM | data reduction |
CCP4 | data reduction |
X-PLOR | model building |
X-PLOR | refinement |
CCP4 | data scaling |
X-PLOR | phasing |