2BRH | pdb_00002brh

Structure-based Design of Novel Chk1 Inhibitors: Insights into Hydrogen Bonding and Protein-Ligand Affinity


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1IA8PDB ENTRY 1IA8

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.5pH 7.50
Crystal Properties
Matthews coefficientSolvent content
2.956.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.986α = 90
b = 65.733β = 94.46
c = 58.494γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID29ESRFID29

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
12.13096.70.0613.64.1199532
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.12.1890.10.313.53.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1IA82.158.7217743163197.10.1830.1760.190.2570.26RANDOM30.95
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]
-0.60.120.330.29
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_1_deg7.641
r_scangle_it4.335
r_scbond_it2.857
r_angle_refined_deg2.073
r_mcangle_it1.999
r_angle_other_deg1.289
r_mcbond_it1.138
r_symmetry_hbond_refined0.433
r_symmetry_vdw_other0.296
r_nbd_other0.248
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2090
Nucleic Acid Atoms
Solvent Atoms300
Heterogen Atoms26

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing