7F6K
Crystal structure of metal-citrate-binding protein (MctA) of ABC transporter endogenously bound to citrate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7F6E |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | MICROBATCH | 6.5 | 293 | 0.2 M ammonium sulphate, 0.1 M MES mohohydrate pH 6.5, 30% (w/v) PEG monoethyl ether 5000 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.29 | 46.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 45.55 | α = 90 |
b = 145.11 | β = 100.44 |
c = 79.24 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 | IMAGE PLATE | RIGAKU RAXIS IV | VariMax HF | 2017-11-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 2.1 | 77.93 | 100 | 0.104 | 0.122 | 0.063 | 0.994 | 9.2 | 3.6 | 58898 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 2.1 | 2.16 | 99.7 | 0.439 | 0.522 | 0.278 | 0.833 | 3.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | 7F6E | 2.1 | 72.66 | 55970 | 2893 | 99.97 | 0.1715 | 0.1693 | 0.2129 | RANDOM | 41.639 |
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] | |
0.18 | 0.96 | 0.15 | -0.64 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.939 |
r_dihedral_angle_4_deg | 18.122 |
r_dihedral_angle_3_deg | 15.259 |
r_dihedral_angle_1_deg | 6.713 |
r_angle_refined_deg | 1.68 |
r_angle_other_deg | 1.408 |
r_chiral_restr | 0.078 |
r_bond_refined_d | 0.013 |
r_gen_planes_refined | 0.009 |
r_bond_other_d | 0.001 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7902 |
Nucleic Acid Atoms | |
Solvent Atoms | 480 |
Heterogen Atoms | 102 |
Software
Software | |
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Software Name | Purpose |
HKL-3000 | data collection |
MOSFLM | data reduction |
Aimless | data scaling |
PHASER | phasing |
Coot | model building |
REFMAC | refinement |
PDB_EXTRACT | data extraction |