7C3G

Crystal structure of human ALK2 kinase domain with R206H mutation in complex with a bicyclic pyrazole inhibitor RK-73134

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3MTF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		293	100 mM HEPES pH 7.6-8.0, 1.5-1.6 M ammonium sulfate

Crystal Properties
Matthews coefficient	Solvent content
2.56	51.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.34	α = 90
b = 140.259	β = 90
c = 59.758	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	100	PIXEL	DECTRIS PILATUS 2M-F		2018-09-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	1.000	SLS	X06DA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	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	1.8	50	99.7	0.107	0.111	1	18.92	13.39		66091			34.77

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.91	99.1		1.562	1.622	0.787	1.6	13.5

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-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	3MTF	1.802	46.098	66085	3302	99.622	0.187	0.1851	0.2266	32.697

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]
1.837			-2.251		0.414

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.798
r_dihedral_angle_4_deg	19.547
r_dihedral_angle_3_deg	14.378
r_lrange_it	7.656
r_lrange_other	7.282
r_dihedral_angle_1_deg	7.242
r_scangle_it	4.204
r_scangle_other	3.893
r_mcangle_it	2.914
r_mcangle_other	2.914
r_scbond_it	2.792
r_scbond_other	2.441
r_mcbond_it	1.924
r_mcbond_other	1.921
r_angle_refined_deg	1.84
r_angle_other_deg	1.436
r_nbd_refined	0.212
r_symmetry_nbd_other	0.186
r_nbd_other	0.181
r_nbtor_refined	0.173
r_symmetry_xyhbond_nbd_refined	0.173
r_xyhbond_nbd_refined	0.163
r_symmetry_nbd_refined	0.116
r_chiral_restr	0.092
r_symmetry_nbtor_other	0.087
r_bond_refined_d	0.014
r_gen_planes_refined	0.011
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4680
Nucleic Acid Atoms
Solvent Atoms	469
Heterogen Atoms	171

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
MOLREP	phasing