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6CDK

Characterization of the P1+ intermediate state of nitrogenase P-cluster

Replaces:  5IJY
Experimental procedure
Experimental methodSINGLE WAVELENGTH
Source typeSYNCHROTRON
Source detailsSSRL BEAMLINE BL12-2
Synchrotron siteSSRL
BeamlineBL12-2
Temperature [K]100
Detector technologyPIXEL
Collection date2015-02-20
DetectorDECTRIS PILATUS 6M
Wavelength(s)0.97947
Spacegroup nameP 1 21 1
Unit cell lengths107.880, 130.780, 80.789
Unit cell angles90.00, 110.85, 90.00
Refinement procedure
Resolution50.010 - 2.100
R-factor0.233
Rwork0.232
R-free0.26300
Structure solution methodMOLECULAR REPLACEMENT
Starting model (for MR)3u7q
Data reduction softwareHKL-2000
Data scaling softwareSCALEPACK
Phasing softwareREFMAC
Refinement softwareREFMAC (5.8.0135)
Data quality characteristics
 OverallOuter shell
Low resolution limit [Å]50.0002.200
High resolution limit [Å]2.1002.100
Number of reflections70560
<I/σ(I)>41.3
Completeness [%]57.960.8
Redundancy2.1
Crystallization Conditions
crystal IDmethodpHtemperaturedetails
1LIQUID DIFFUSION829830% PEG4000, 100 mM Tris-HCl, pH 8.0, 170-190 mM sodium molybdate, 1 mM dithionite

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