Experiment: 1M7Q

Crystal structure of p38 MAP kinase in complex with a dihydroquinazolinone inhibitor

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1WFC	PDB ENTRY 1WFC

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	Sodium citrate, Ammonium sulfate, hepes, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.95	58.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.516	α = 90
b = 87.163	β = 90
c = 124.939	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	CCD	MARRESEARCH		2000-06-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-ID	1.00	APS	17-ID

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	2.4	35	96.8	0.115	8.4	6.5	20063	19421		-3	41.2

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)
	2.4	2.5	79.8		0.481	1.2	5.9	2621

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-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 1WFC	2.4	25	18392	897	91.4	0.217	0.2064	0.254	0.2513	random	45.8

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]
6.218			5.05		-11.272

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.31
c_scangle_it	2.936
c_mcangle_it	2.444
c_scbond_it	1.906
c_mcbond_it	1.42
c_angle_deg	1.37
c_improper_angle_d	0.904
c_bond_d	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2800
Nucleic Acid Atoms
Solvent Atoms	114
Heterogen Atoms	38

Software

Software
Software Name	Purpose
MAR345	data collection
X-GEN	data reduction
CNS	refinement
X-GEN	data scaling
CNS	phasing