3ZCL

X-ray Structure of c-Met kinase in complex with inhibitor (S)-3-(1-(1H-pyrrolo(2,3-b)pyridin-3-yl)ethyl)-N-isopropyl-(1,2,4)triazolo(4,3- b)pyridazin-6-amine

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	286	C-MET COCRYSTALS WERE OBTAINED AT 13 DEGREES C BY THE HANGING DROP VAPOR DIFFUSION METHOD BY MIXING 1.2 MICROL OF PROTEIN SOLUTION (CONTAINING 7-13 MG/ML C-MET KD (RESIDUES 1051-1348) WITH A 5 FOLD MOLAR EXCESS OF SELECTED C-MET INHIBITOR) WITH 1.2 MICROL OF SOLUTION CONTAINING (0.05 M CITRATE-PHOSPHATE PH 4.6, 0-0.275 M NACL, AND 17-21% POLYETHYLENE GLYCOL MW=3350).

Crystal Properties
Matthews coefficient	Solvent content
2.4	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.997	α = 90
b = 94.509	β = 90
c = 46.834	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	97	CCD	ADSC QUANTUM 315		2007-05-07	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)	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	1.4	50	87.5	0.07	32	3.8		58868			14.9

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	1.4	1.43	53.1		0.34	2	2.5

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 2WGJ	1.4	41.46	58519	55089	2794	82.4	0.194	0.193	0.211	RANDOM	25.4

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]
-3.46			-6.56		10.02

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	19.1
c_scangle_it	2.94
c_scbond_it	2.14
c_mcangle_it	1.81
c_mcbond_it	1.13
c_angle_deg	0.8
c_improper_angle_d	0.63
c_bond_d	0.004
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2310
Nucleic Acid Atoms
Solvent Atoms	336
Heterogen Atoms	24

Software

Software
Software Name	Purpose
CNX	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CNX	phasing