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2JJS

Structure of human CD47 in complex with human signal regulatory protein (SIRP) alpha

Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsESRF BEAMLINE ID23-2
Synchrotron siteESRF
BeamlineID23-2
Temperature [K]100
Detector technologyCCD
Collection date2007-04-15
DetectorMARRESEARCH
Spacegroup nameP 1 21 1
Unit cell lengths42.477, 72.410, 89.826
Unit cell angles90.00, 95.01, 90.00
Refinement procedure
Resolution89.440 - 1.850
R-factor0.171
Rwork0.169
R-free0.21300
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)2UV3 FOR CHAINS A AND B PDB ENTRY 2ICC FOR CHAINS C AND D
RMSD bond length0.010
RMSD bond angle1.269
Data reduction softwareHKL-2000
Data scaling softwareHKL-2000
Phasing softwareMOLREP
Refinement softwareREFMAC (5.2.0019)
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]29.8001.920
High resolution limit [Å]1.8501.850
Rmerge0.1400.790
Number of reflections46373
<I/σ(I)>17.62.8
Completeness [%]100.0100
Redundancy10.39.2
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
17.4278100 NL SIRP ALPHA / CD47 COMPLEX (1:1 RATIO, EACH PROTEIN AT APPROX. 0.375 UM) PLUS 100 NL RESERVOIR (0.2 M POTASSIUM IODIDE, 20% W/V PEG 3350) EQUILIBRATED AGAINST 95 UL OF RESERVOIR AT 5 C., pH 7.4
17.4278100 NL SIRP ALPHA / CD47 COMPLEX (1:1 RATIO, EACH PROTEIN AT APPROX. 0.375 UM) PLUS 100 NL RESERVOIR (0.2 M POTASSIUM IODIDE, 20% W/V PEG 3350) EQUILIBRATED AGAINST 95 UL OF RESERVOIR AT 5 C., pH 7.4

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