7SQ4
Designed trefoil knot protein, variant 2
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ALS BEAMLINE 5.0.1 |
Synchrotron site | ALS |
Beamline | 5.0.1 |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2020-02-20 |
Detector | DECTRIS PILATUS3 6M |
Wavelength(s) | 0.9774 |
Spacegroup name | P 21 3 |
Unit cell lengths | 55.810, 55.810, 55.810 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 39.464 - 1.493 |
R-factor | 0.2311 |
Rwork | 0.227 |
R-free | 0.26560 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | Computational design |
Data scaling software | HKL-2000 (720) |
Phasing software | PHASER (2.7.16) |
Refinement software | PHENIX (1.13) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 50.000 | 50.000 | 1.520 |
High resolution limit [Å] | 1.490 | 4.040 | 1.490 |
Rmerge | 0.040 | 0.033 | 0.295 |
Rmeas | 0.041 | 0.033 | 0.303 |
Rpim | 0.007 | 0.006 | 0.065 |
Total number of observations | 347039 | ||
Number of reflections | 9688 | 542 | 408 |
<I/σ(I)> | 12.8 | ||
Completeness [%] | 99.2 | 100 | 84 |
Redundancy | 35.8 | 35.8 | 20.2 |
CC(1/2) | 1.000 | 0.983 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 293 | 0.1 M Sodium acetate pH 4.5 + 35% MPD |