7FU5
Crystal Structure of human cyclic GMP-AMP synthase
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SLS BEAMLINE X10SA |
Synchrotron site | SLS |
Beamline | X10SA |
Temperature [K] | 100 |
Detector technology | PIXEL |
Collection date | 2019-02-23 |
Detector | PSI PILATUS 6M |
Wavelength(s) | 1.000030 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 219.993, 45.554, 89.978 |
Unit cell angles | 90.00, 111.38, 90.00 |
Refinement procedure
Resolution | 55.670 - 2.180 |
R-factor | 0.2235 |
Rwork | 0.221 |
R-free | 0.27840 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | inhouse model |
Data reduction software | XDS |
Data scaling software | XSCALE |
Phasing software | PHASER |
Refinement software | PHENIX (1.20.1_4487) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 80.890 | 55.670 | 2.240 |
High resolution limit [Å] | 2.180 | 9.760 | 2.180 |
Rmerge | 0.096 | 0.027 | 3.327 |
Rmeas | 0.114 | 0.033 | 3.952 |
Total number of observations | 146267 | ||
Number of reflections | 43609 | 545 | 3195 |
<I/σ(I)> | 7.52 | 32.53 | 0.43 |
Completeness [%] | 99.5 | 98.2 | 99.6 |
Redundancy | 3.354 | 2.961 | 3.402 |
CC(1/2) | 0.998 | 0.998 | 0.157 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 293 | 10-12 mg/mL protein in 25 mM Tris/HCl pH7.5, 500mM NaCl, 2mM TCEP, supplemented with 10x molar excess of ligand and, if needed, with 10 mM MgCl2 and 5mM ATP, then mixed 1:1 with reservoir of the Procomplex screen. Several conditions resulted in crystals |