8PP3
Binary crystal structure of positively supercharged ferritin variant Ftn(pos) and crystal contact tuned negatively supercharged ferritin variant Ftn(neg)-m1 (Mg formate condition)
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2) |
Synchrotron site | PETRA III, EMBL c/o DESY |
Beamline | P14 (MX2) |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2020-12-07 |
Detector | DECTRIS EIGER2 X CdTe 16M |
Wavelength(s) | 0.97625 |
Spacegroup name | P 4 |
Unit cell lengths | 127.007, 127.007, 175.193 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 59.774 - 1.550 |
Rwork | 0.218 |
R-free | 0.24130 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.009 |
RMSD bond angle | 1.471 |
Data reduction software | xia2 |
Data scaling software | XDS |
Phasing software | PHASER |
Refinement software | REFMAC (5.8.0267) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 72.100 | 1.580 |
High resolution limit [Å] | 1.550 | 1.550 |
Rmerge | 0.161 | |
Rpim | 0.046 | |
Number of reflections | 391240 | 16153 |
<I/σ(I)> | 8.3 | |
Completeness [%] | 97.7 | |
Redundancy | 12.1 | 5.7 |
CC(1/2) | 0.997 | 0.135 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 293.15 | reservoir: 0.19M Magnesium FormateFtn(pos): 4 mg/mL in 50mM Tris pH 7.5 1 M NaClFtn(Wildtype): 4mg/mL in 50mM Tris pH 7.5 0.3 M NaCl2 uL reservoir + 1uL Ftn(pos) + 1uL Ftn(Wildtype) added to coverslide in this order. |