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8GQQ

The three-dimensional structure of Cystatin A2, a cysteine protease inhibitor from Dictyostelium discoideum

Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsPAL/PLS BEAMLINE 7A (6B, 6C1)
Synchrotron sitePAL/PLS
Beamline7A (6B, 6C1)
Temperature [K]100
Detector technologyCCD
Collection date2022-02-21
DetectorADSC QUANTUM 270
Wavelength(s)0.97934
Spacegroup nameP 21 21 2
Unit cell lengths59.273, 63.274, 24.911
Unit cell angles90.00, 90.00, 90.00
Refinement procedure
Resolution24.911 - 1.069
R-factor0.1793
Rwork0.179
R-free0.18990
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)3kfq
Data reduction softwareHKL-2000
Data scaling softwareHKL-2000
Refinement softwarePHENIX (1.13_2998)
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]24.9111.107
High resolution limit [Å]1.0691.069
Rmerge0.1280.390
Number of reflections420184113
<I/σ(I)>10.8
Completeness [%]99.0
Redundancy13.5
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1VAPOR DIFFUSION, HANGING DROP291.1522% (w/v) PEG 2K, 100 mM MES pH 6.5, 60 mM sodium acetate, 10 mM TCEP

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