4FV6

Crystal Structure of the ERK2 complexed with E57

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.5	298	100 mM MES buffer, pH 6.5, 26-28% PEG-MME 2000, 200 mM ammonium sulfate and 20 mM 2-mercaptoethanol, vapor diffusion, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.27	45.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.141	α = 90
b = 70.828	β = 90
c = 120.524	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 IIC			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	50	99.7				13672

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.5	37.46	13672	679	99.93	0.222	0.2206	0.249	RANDOM	32.8835

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]
-5.649			-4.9413		10.5903

RMS Deviations
Key	Refinement Restraint Deviation
t_other_torsion	2.78
t_omega_torsion	1.97
t_angle_deg	0.87
t_bond_d	0.008
t_dihedral_angle_d
t_trig_c_planes
t_gen_planes
t_it
t_nbd
t_improper_torsion
t_pseud_angle
t_chiral_improper_torsion
t_sum_occupancies
t_utility_distance
t_utility_angle
t_utility_torsion
t_ideal_dist_contact

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2667
Nucleic Acid Atoms
Solvent Atoms	77
Heterogen Atoms	50

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
BUSTER-TNT	refinement
PDB_EXTRACT	data extraction
BUSTER	refinement