7DFR
CRYSTAL STRUCTURES OF ESCHERICHIA COLI DIHYDROFOLATE REDUCTASE. THE NADP+ HOLOENZYME AND THE FOLATE(DOT)NADP+ TERNARY COMPLEX. SUBSTRATE BINDING AND A MODEL FOR THE TRANSITION STATE
X-RAY DIFFRACTION
Crystallization
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.27 | 62.37 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 62.207 | α = 90 |
b = 62.207 | β = 90 |
c = 105.525 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 1 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||||
X-RAY DIFFRACTION | 2.5 | 0.245 |
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 |
p_staggered_tor | 23.6 |
p_orthonormal_tor | 18.2 |
p_planar_tor | 4.4 |
p_scangle_it | 3.966 |
p_mcangle_it | 3.847 |
p_scbond_it | 2.649 |
p_mcbond_it | 2.595 |
p_xhyhbond_nbd | 0.273 |
p_multtor_nbd | 0.266 |
p_chiral_restr | 0.232 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1229 |
Nucleic Acid Atoms | |
Solvent Atoms | 55 |
Heterogen Atoms | 80 |
Software
Software | |
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Software Name | Purpose |
PROLSQ | refinement |