4EHI
An X-ray Crystal Structure of a putative Bifunctional Phosphoribosylaminoimidazolecarboxamide Formyltransferase/IMP Cyclohydrolase
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 298 | 20%PEG 3350, 0.2M Na Sulfate, 0.1M Bis-Tris, 5.8mg/mL protein, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.27 | 45.76 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 93.881 | α = 90 |
b = 101.234 | β = 90 |
c = 114.294 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MARMOSAIC 300 mm CCD | Be Lenes | 2010-02-12 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-G | 0.9786 | APS | 21-ID-G |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.28 | 29.48 | 100 | 0.095 | 36.75 | 10.4 | 48301 | 48301 | -3 | -3 | 42.72 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.28 | 2.3 | 100 | 0.549 | 5.4 | 10.4 |
Refinement
Statistics | |||||||||||||||||||
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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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2.28 | 29.48 | 48301 | 48301 | 1989 | 96 | 0.174 | 0.173 | 0.212 | RANDOM | 47.17 |
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] | |
7.5136 | -2.8514 | -4.6621 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_omega_torsion | 3.19 |
t_other_torsion | 2.85 |
t_angle_deg | 1.06 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_incorr_chiral_ct | |
t_pseud_angle | |
t_trig_c_planes | |
t_gen_planes | |
t_it |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7678 |
Nucleic Acid Atoms | |
Solvent Atoms | 554 |
Heterogen Atoms | 59 |
Software
Software | |
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Software Name | Purpose |
BLU-MAX | data collection |
PHENIX | model building |
BUSTER | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
PHENIX | phasing |