4QQ6

Crystal Structure of tudor domain of SMN1 in complex with a small organic molecule

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	293	2M ammonium sulfate, 0.2M potassium/sodium tartrate, 0.1M sodium citrate, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.7	27.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 27.789	α = 90
b = 27.789	β = 90
c = 112.817	γ = 120

Symmetry
Space Group	P 65

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	RIGAKU SATURN A200		2014-04-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E	1.5418

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	1.75	37.61	100	0.078	19.8	10.5		5006

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	1.75	1.79	100		0.806	2.9	10.3	283

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 1MHN	1.75	24.07	4942	508	99.64	0.1727	0.1646	0.2417	RANDOM	26.6793

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]
0.67	0.33		0.67		-2.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.261
r_dihedral_angle_4_deg	17.7
r_dihedral_angle_3_deg	13.88
r_dihedral_angle_1_deg	6.883
r_mcangle_it	4.47
r_mcbond_it	3.213
r_mcbond_other	3.207
r_angle_refined_deg	1.653
r_angle_other_deg	0.874
r_chiral_restr	0.114

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.261
r_dihedral_angle_4_deg	17.7
r_dihedral_angle_3_deg	13.88
r_dihedral_angle_1_deg	6.883
r_mcangle_it	4.47
r_mcbond_it	3.213
r_mcbond_other	3.207
r_angle_refined_deg	1.653
r_angle_other_deg	0.874
r_chiral_restr	0.114
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	454
Nucleic Acid Atoms
Solvent Atoms	26
Heterogen Atoms	17

Software

Software
Software Name	Purpose
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.