2HWX

Structure of human SMG6 E1282C PIN domain mutant.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.6	291	20% Jeffamine 2000, 0.1M Hepes 7.6, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.36	α = 90
b = 73.34	β = 90
c = 37.309	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	IMAGE PLATE	MAR scanner 345 mm plate		2005-10-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.542

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.9	30	99.9	0.04		6.9		15634		6.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.9	2	99.9		0.11		6.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.9	30	15628	14763	778	99.46	0.19708	0.19918	0.19708	0.23883	RANDOM	12.924

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]
-0.34			0.81		-0.47

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.401
r_dihedral_angle_4_deg	17.744
r_dihedral_angle_3_deg	15.234
r_dihedral_angle_1_deg	6.003
r_scangle_it	3.558
r_scbond_it	2.388
r_mcbond_it	1.525
r_mcangle_it	1.358
r_angle_refined_deg	1.302
r_angle_other_deg	1.015
r_xyhbond_nbd_refined	0.589
r_symmetry_vdw_other	0.334
r_symmetry_vdw_refined	0.279
r_symmetry_hbond_refined	0.265
r_nbd_refined	0.219
r_nbd_other	0.206
r_chiral_restr	0.185
r_nbtor_refined	0.172
r_mcbond_other	0.16
r_symmetry_hbond_other	0.098
r_nbtor_other	0.081
r_xyhbond_nbd_other	0.079
r_bond_refined_d	0.011
r_bond_other_d	0.008
r_gen_planes_refined	0.005
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1329
Nucleic Acid Atoms
Solvent Atoms	178
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
SHARP	phasing