6TPF

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
2.48	50.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.728	α = 90
b = 171.198	β = 91.84
c = 44.33	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		2017-08-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.91587	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	2.31	85.6	95.2	0.056	0.074	0.998	10.73	2.2		26488			53.766

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	2.31	2.56	95.9		0.435	0.567	0.705	2.26	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	2.31	85.6	25312	1176	95.25	0.2661	0.2633	0.3268	RANDOM	65.906

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]
0.6		-1.19	2.73		-3.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.825
r_dihedral_angle_3_deg	14.484
r_dihedral_angle_4_deg	13.099
r_dihedral_angle_1_deg	6.912
r_angle_refined_deg	1.707
r_angle_other_deg	1.299
r_chiral_restr	0.09
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_bond_other_d	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.825
r_dihedral_angle_3_deg	14.484
r_dihedral_angle_4_deg	13.099
r_dihedral_angle_1_deg	6.912
r_angle_refined_deg	1.707
r_angle_other_deg	1.299
r_chiral_restr	0.09
r_bond_refined_d	0.014
r_gen_planes_refined	0.007
r_bond_other_d	0.003
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4600
Nucleic Acid Atoms
Solvent Atoms	71
Heterogen Atoms	50

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 U.S. National Science Foundation (DBI-2321666), 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.