4N4S

A Double Mutant Rat Erk2 in Complex With a Pyrazolo[3,4-d]pyrimidine Inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9.5	295	100 mM CHES, pH 9.5, 30% PEG3000, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 46.09	α = 86.57
b = 57.63	β = 88.98
c = 68	γ = 81.05

Symmetry
Space Group	P 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		2012-07-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL12-2	0.97950	SSRL	BL12-2

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	2.2	67.88	79.8	0.109	4.2	1.8	27949	27949

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	2.32	82.1		0.286	1.5	1.8	4179

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	PDB ENTRY 3QYW	2.2	56.9	27934	1400	79.81	0.2225	0.2208	0.2534	RANDOM	45.2142

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]
-1.82	-0.25	0.79	2.45	0.72	-0.73

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.041
r_dihedral_angle_3_deg	12.906
r_dihedral_angle_4_deg	12.886
r_dihedral_angle_1_deg	4.901
r_angle_refined_deg	1.031
r_angle_other_deg	0.806
r_mcangle_it	0.805
r_mcbond_it	0.474
r_mcbond_other	0.474
r_chiral_restr	0.062
r_bond_refined_d	0.006
r_gen_planes_refined	0.004
r_bond_other_d	0.003
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5509
Nucleic Acid Atoms
Solvent Atoms	83
Heterogen Atoms	64

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection