1B6S

STRUCTURE OF N5-CARBOXYAMINOIMIDAZOLE RIBONUCLEOTIDE SYNTHETASE


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.5pH 7.5
Crystal Properties
Matthews coefficientSolvent content
3.362

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 60.6α = 66.1
b = 92.1β = 82.7
c = 102.6γ = 81.8
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray280AREA DETECTORBRUKER AXSGOBEL MIRRORS1998-10-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.53095.70.0720.7212.61.866345
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.52.6189.60.1810.1812.11.3

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1B6R2.5306634595.70.1850.185
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
t_dihedral_angle_d19.273
t_angle_deg2.23
t_bond_d0.013
t_gen_planes0.013
t_nbd0.009
t_trig_c_planes0.006
t_incorr_chiral_ct
t_pseud_angle
t_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms11029
Nucleic Acid Atoms
Solvent Atoms491
Heterogen Atoms112

Software

Software
Software NamePurpose
SAINTdata scaling
XCALIBREdata reduction
AMoREphasing
TNTrefinement
SAINTdata reduction
XCALIBREdata scaling