3PQ8

Structure of I274C variant of E. coli KatE[] - Images 37-42

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9	293	17% PEG3350, 1.6 M LiCl, 0.1 M Tris, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93.503	α = 90
b = 133.022	β = 109.4
c = 122.674	γ = 90

Symmetry
Space Group	P 1 21 1

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	Marmosaic	mirrors	2009-08-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CLSI BEAMLINE 08ID-1	0.97934	CLSI	08ID-1

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	1.795	34.251	94.5	0.155	7.5	3.1	247243	247243	2	2

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)
1	1.8	1.9	91		0.412	0.412	1.4	2.9	34670

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 3P9Q	1.8	34.25	247243	247001	12379	93.87	0.1452	0.1428	0.1896	RANDOM	14.4895

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]
-0.23		0.3	-0.34		0.78

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.451
r_dihedral_angle_4_deg	15.069
r_dihedral_angle_3_deg	14.203
r_dihedral_angle_1_deg	6.458
r_scangle_it	4.027
r_scbond_it	2.727
r_angle_refined_deg	2.04
r_mcangle_it	1.697
r_mcbond_it	1.114
r_chiral_restr	0.181
r_bond_refined_d	0.026
r_gen_planes_refined	0.012

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	22936
Nucleic Acid Atoms
Solvent Atoms	3424
Heterogen Atoms	356

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MxDC	data collection
REFMAC	phasing