1Q1M

A Highly Efficient Approach to a Selective and Cell Active PTP1B inhibitors


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1TYR1TYR and other refined complexes. RESIDUE CYS215, LISTED IN REMARK 500, CORRESPONDS TO THE ACTIVE SITE CYS WHICH IS KNOWN TO BE IN A STRAINED CONFORMATION IN THIS CLASS OF ENZYMES.

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.1277Precipitation buffer: 100 mM HEPES, 0.2 M Magnesium Acetate, 14% PEG8000, pH 7.10, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.1460.84

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 88.294α = 90
b = 88.294β = 90
c = 104.378γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHmirrors2002-01-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU3001.5418

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
12.620940.0820.08211.97.61491614064128.3
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)
2.62.6975.10.4980.4981.72.11464

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1TYR and other refined complexes. RESIDUE CYS215, LISTED IN REMARK 500, CORRESPONDS TO THE ACTIVE SITE CYS WHICH IS KNOWN TO BE IN A STRAINED CONFORMATION IN THIS CLASS OF ENZYMES.2.618.821492211613118678.10.2080.1870.223RANDOM24.2
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]
-0.695.81-0.691.39
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.8
c_scangle_it3.29
c_mcangle_it2.35
c_scbond_it2.22
c_mcbond_it1.55
c_angle_deg1.3
c_improper_angle_d0.76
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2435
Nucleic Acid Atoms
Solvent Atoms124
Heterogen Atoms30

Software

Software
Software NamePurpose
CNXrefinement
MAR345data collection
HKL-2000data scaling
CNXphasing