6G8D
Crystal Structure of the Amyloid-like LNIYQY segment from the R1 repeat of the E. coli Biofilm-associated CsgA Curli protein
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 | 2016-05-02 |
Detector | DECTRIS PILATUS 6M-F |
Wavelength(s) | 0.9763 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 42.180, 4.820, 26.690 |
Unit cell angles | 90.00, 126.01, 90.00 |
Refinement procedure
Resolution | 13.320 - 1.850 |
R-factor | 0.178 |
Rwork | 0.176 |
R-free | 0.19100 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | Ideal beta-strand |
RMSD bond length | 0.023 |
RMSD bond angle | 1.506 |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | PHASER |
Refinement software | REFMAC |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 13.320 | 13.320 | 2.070 |
High resolution limit [Å] | 1.850 | 4.140 | 1.850 |
Rmerge | 0.189 | 0.101 | 0.463 |
Rmeas | 0.225 | 0.134 | 0.529 |
Number of reflections | 462 | 49 | 127 |
<I/σ(I)> | 3.46 | 4.3 | 2.31 |
Completeness [%] | 96.0 | 89.1 | 98.4 |
Redundancy | 3.506 | 1.98 | 4.181 |
CC(1/2) | 0.975 | 0.972 | 0.891 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 293 | Reservoir contained 0.1 M HEPES pH 7.5, 20% v/v Jeffamine M-600, 10 mM of the TAIVVQ peptide |