3QT9
Analysis of a new family of widely distributed metal-independent alpha mannosidases provides unique insight into the processing of N-linked glycans, Clostridium perfringens CPE0426 complexed with alpha-1,6-linked 1-thio-alpha-mannobiose
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 0.1 M MES, 12% polyethylene glycol (PEG) 20,000, pH 6.5, VAPOR DIFFUSION, HANGING DROP |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.64 | 53.36 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 49.87 | α = 90 |
b = 96.59 | β = 90 |
c = 109.15 | γ = 90 |
Symmetry | |
---|---|
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 | 117 | CCD | MARMOSAIC 300 mm CCD | 2010-01-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | CLSI BEAMLINE 08ID-1 | CLSI | 08ID-1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.05 | 109.15 | 99 | 30118 | 28513 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.05 | 2.16 | 99 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.05 | 40 | 30118 | 28513 | 1532 | 88.55 | 0.15999 | 0.15999 | 0.15754 | 0.20405 | RANDOM | 21.877 |
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] | |
0.03 | 1.37 | -1.41 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.682 |
r_dihedral_angle_4_deg | 17.162 |
r_dihedral_angle_3_deg | 14.142 |
r_dihedral_angle_1_deg | 6.178 |
r_scangle_it | 3.868 |
r_scbond_it | 2.377 |
r_mcangle_it | 1.419 |
r_angle_refined_deg | 1.391 |
r_mcbond_it | 0.767 |
r_chiral_restr | 0.093 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3492 |
Nucleic Acid Atoms | |
Solvent Atoms | 403 |
Heterogen Atoms | 47 |
Software
Software | |
---|---|
Software Name | Purpose |
MOSFLM | data reduction |
MOLREP | phasing |
REFMAC | refinement |
SCALA | data scaling |