Experiment: 2ONL

Crystal Structure of the p38a-MAPKAP kinase 2 Heterodimer

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2OKR	PDB ENTRY 2OKR, 1KWP
experimental model	PDB	1KWP	PDB ENTRY 2OKR, 1KWP

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5	298	3.75% Peg 2000, 100mM Hepes, Prior to crystallization, 1-s-nonyl-1-b-D-thioglucoside (1xcmc) and heptanetriol (1.5%) was added to the protein sample, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 7.50

Crystal Properties
Matthews coefficient	Solvent content
3.49	64.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.15	α = 90
b = 103.15	β = 90
c = 231.55	γ = 90

Symmetry
Space Group	P 41

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2		ALS	5.0.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	4	45.32	95.8	0.153	0.153	5.1	2.79		19566		2	72.78

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	4	4.14	95.8		0.368	0.368	2.1	2.66

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2OKR, 1KWP	4	45.34	20550	19566	984	95.6	0.315	0.314	0.339	0.331	0.3472	RANDOM	99.77

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]
-22.06			-22.06		44.12

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10466
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PDB_EXTRACT	data extraction
d*TREK	data reduction
CNX	phasing
BUSTER-TNT	refinement