2MYE
HIGH RESOLUTION X-RAY STRUCTURES OF MYOGLOBIN-AND HEMOGLOBIN-ALKYL ISOCYANIDE COMPLEXES
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | THE PH IN THIS CRYSTAL IS WEAKLY BUFFERED (10 MM PHOSPHATE) AND THE STRUCTURE INDICATES THAT THE PH MAY HAVE FALLEN TO PH 6 OR BELOW. THE RESIDUE HIS 64 MAY BE DOUBLY PROTONATED. COMPARE THIS STRUCTURE WITH THE WELL-BUFFERED (100 MM PHOSPHATE) PH 7.0 MYOGLOBIN-ETHYL ISOCYANIDE STRUCTURE (PROTEIN DATA BANK ENTRY 2MYB). |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.95 | 36.88 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 64.64 | α = 90 |
b = 30.95 | β = 106.08 |
c = 34.95 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 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 | 1.68 | 5 | 0.172 | 0.172 |
Temperature Factor Modeling | ||||||
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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 | |
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Key | Refinement Restraint Deviation |
x_angle_deg | 1.751 |
x_bond_d | 0.02 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na | |
x_angle_deg_prot | |
x_dihedral_angle_d |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1217 |
Nucleic Acid Atoms | |
Solvent Atoms | 185 |
Heterogen Atoms | 52 |
Software
Software | |
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Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
X-PLOR | phasing |