3K1P

Crystal Structure of full-length BenM E226K mutant

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	295	Precipitant:20% v/v Jeffamine M-600, 0.1 M HEPES pH 7.5. Protein: 30 mM Tris base (pH 9.0), 0.5 M NaCl, 10% glycerol, 250 mM imidazole, 10 mM BME Reservior contains 60% protein buffer, 40% Crystal Screen II31, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.28	62.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.6	α = 90
b = 70.7	β = 90
c = 187.277	γ = 90

Symmetry
Space Group	P 2 2 21

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	MAR CCD 165 mm		2008-07-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.99999	APS	22-ID

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	3	50	90.3	0.087	0.087	18.9	4.3	17861	17861			38.097

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)
	3	3.11	70.2		0.296	0.296	4.7	3.5	1349

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 2F97	3	48.27	17744	17744	922	90.67	0.199	0.199	0.197	0.226	RANDOM	38.097

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]
-0.8			11.79		-10.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.033
r_dihedral_angle_3_deg	18.58
r_dihedral_angle_4_deg	14.742
r_dihedral_angle_1_deg	5.636
r_scangle_it	3.193
r_mcangle_it	2.28
r_scbond_it	1.982
r_mcbond_it	1.3
r_angle_refined_deg	1.125
r_chiral_restr	0.071
r_bond_refined_d	0.008
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4838
Nucleic Acid Atoms
Solvent Atoms	373
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data collection
PHASER	phasing