6TPE

Fragment-based discovery of pyrazolopyridones as JAK1 inhibitors with excellent subtype selectivity

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		277	NULL

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.423	α = 90
b = 169.558	β = 90.54
c = 43.245	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M-F		2017-02-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.99981	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	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	2.87	84.78	96.4	0.046	0.061	0.999	13.7	2.2		13162			77.791

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.89	3.14	96.5		0.437	0.569	0.724	2.08	2.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	NONE	2.87	84.78	12870	572	96.48	0.2488	0.2466	0.2981	RANDOM	91.506

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]
0.09		-3.72	1.9		-1.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.56
r_dihedral_angle_3_deg	12.979
r_dihedral_angle_4_deg	12.88
r_dihedral_angle_1_deg	5.186
r_angle_refined_deg	1.124
r_angle_other_deg	0.94
r_chiral_restr	0.055
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.56
r_dihedral_angle_3_deg	12.979
r_dihedral_angle_4_deg	12.88
r_dihedral_angle_1_deg	5.186
r_angle_refined_deg	1.124
r_angle_other_deg	0.94
r_chiral_restr	0.055
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4606
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	36

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
REFMAC	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.