Experiment: 3R2Q

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.6	298	5 microL protein in 50 mM HEPES pH 7.5, 1 mM DTT, 4 microL reservoir (0.1M Na acetate pH 4.6,1M ammonium phosphate monobasic), 1 microL 100mM glutathione pH 7.0, vapor diffusion, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.34	α = 90
b = 111.34	β = 90
c = 111.34	γ = 90

Symmetry
Space Group	P 43 3 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	CCD	MARMOSAIC 225 mm CCD		2007-07-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D		APS	21-ID-D

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	1.05	50	98.1	0.069	16.2	7.8		107437

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	1.05	1.09	99.7		0.465		5.7

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	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R	NONE	1.05	26	107373	5366	93.3	0.1317		0.1528	RANDOM	16.7281

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
24	1584	1876.55

RMS Deviations
Key	Refinement Restraint Deviation
s_anti_bump_dis_restr	0.213
s_non_zero_chiral_vol	0.099
s_approx_iso_adps	0.099
s_zero_chiral_vol	0.08
s_similar_adp_cmpnt	0.053
s_angle_d	0.033
s_from_restr_planes	0.0268
s_bond_d	0.016
s_rigid_bond_adp_cmpnt	0.006
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1587
Nucleic Acid Atoms
Solvent Atoms	281
Heterogen Atoms	33

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
SHELX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
ARP/wARP	model building
SHELXL-97	refinement

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 R01GM157729.