2CM8

Structural Basis for Inhibition of Protein Tyrosine Phosphatase 1B by Isothiazolidinone Heterocyclic Phosphonate Mimetics

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.6		100 MM HEPES PH 6.6, 14-16% PEG 8000, 200 MM MAGNESIUM ACETATE

Crystal Properties
Matthews coefficient	Solvent content
3.14	60.79

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.29	α = 90
b = 88.29	β = 90
c = 104.17	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	93	IMAGE PLATE	RIGAKU-MSC RAXIS-IV	BLUE CONFOCAL MAX-FLUX MIRRORS		M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2	31.6	99.6	0.04	32.5	10.6		31292

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.14	98.9		0.2	9.4	10.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	OTHER	THROUGHOUT	2.1	8	2	27151	2734		0.2095	0.2532	RANDOM

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]
-0.003	-0.235		-0.003		0.006

RMS Deviations
Key	Refinement Restraint Deviation
c_angle_deg	1.51133
c_bond_d	0.010166
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2427
Nucleic Acid Atoms
Solvent Atoms	228
Heterogen Atoms	16

Software

Software
Software Name	Purpose
CNX	refinement
CrystalClear	data reduction
CrystalClear	data scaling
CNX	phasing