Experiment: 3OT3

X-ray crystal structure of compound 22k bound to human Chk1 kinase domain

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2BRM	PDB ENTRY 2BRM

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	296	0.1M Tris-Cl pH 7.5, 25% v/v Glycerol, 2.5% v/v DMSO, 1% v/v 1-butanol, 4 to 10% v/v PEG 3.25K, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.83	α = 90
b = 65.78	β = 94.41
c = 57.72	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	200	CCD	MAR CCD 165 mm		2006-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-BM	1.0	APS	17-BM

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	1.44	57.5	90.5	0.054	0.053	19.5	2.9	59517	53853			18.8

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)
	1.44	1.48	90.1		0.433	0.367	2.4	2.8	2652

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 (All)	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	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 2BRM	1.44	57	59517	53853	2692		0.185	0.185	0.185	0.1874	0.202	0.2021	EXTENDED from 2BRM, RANDOM

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]

RMS Deviations
Key	Refinement Restraint Deviation
t_dihedral_angle_d	17.115
t_improper_torsion	4.367
t_it	1.43
t_angle_deg	0.91
t_nbd	0.016
t_gen_planes	0.014
t_bond_d	0.01
t_trig_c_planes	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2103
Nucleic Acid Atoms
Solvent Atoms	277
Heterogen Atoms	24

Software

Software
Software Name	Purpose
MAR345dtb	data collection
BUSTER	refinement
DENZO	data reduction
SCALEPACK	data scaling
BUSTER	phasing