3I60

Crystal structure of ERK2 bound to (S)-4-(2-(2-chlorophenylamino)-5-methylpyrimidin-4-yl)-N-(2-hydroxy-1-phenylethyl)-1H-pyrrole-2-carboxamide

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		in-house unpublished structure

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	298	Protein: 14 mg/ml, 20 mM Tris-HCl pH 7.0, 5 mM DTT, 200 mM NaCl. Precipitant: 100 mM HEPES pH 7.2, 28-30% PEG MME 2000, 200 mM Ammonium sulfate, 20 mM 2-Mercaptoethanol, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.12	42.03

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.061	α = 90
b = 70.251	β = 90
c = 119.598	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS	Yale mirrors	2001-11-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

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	2.5	55	95.5	0.056	19.3			12882

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	2.5	2.57	92		0.329			1002

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X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	in-house unpublished structure	2.5	55	12498	1014	92.98	0.211	0.207	0.248	RANDOM	23.63

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]
0.12			-0.04		-0.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.633
r_dihedral_angle_4_deg	18.296
r_dihedral_angle_3_deg	14.889
r_dihedral_angle_1_deg	5.172
r_scangle_it	2.19
r_scbond_it	1.277
r_angle_refined_deg	1.053
r_mcangle_it	1.033
r_mcbond_it	0.547
r_chiral_restr	0.074

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.633
r_dihedral_angle_4_deg	18.296
r_dihedral_angle_3_deg	14.889
r_dihedral_angle_1_deg	5.172
r_scangle_it	2.19
r_scbond_it	1.277
r_angle_refined_deg	1.053
r_mcangle_it	1.033
r_mcbond_it	0.547
r_chiral_restr	0.074
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2732
Nucleic Acid Atoms
Solvent Atoms	131
Heterogen Atoms	47

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
CNS	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 R01GM157729.