Experiment: 2R31

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5	278	30% PEG4000, 50 MM MGCL2, 100 MM TRIS VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 278K, pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.553	α = 90
b = 55.749	β = 90
c = 96.616	γ = 90

Symmetry
Space Group	P 21 21 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	MARRESEARCH		2007-07-07	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	50	99.8	0.062	25.41	14.49	127208	127208

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	1.06	99.9		0.745	3.97	14.34

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	FREE R	2P4X	1	50	127208	6370	99.8	0.1187	0.118	0.1425	RANDOM	16.3

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
58	1806	2340.1

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	0.154
s_approx_iso_adps	0.108
s_zero_chiral_vol	0.089
s_similar_adp_cmpnt	0.033
s_angle_d	0.032
s_from_restr_planes	0.0262
s_bond_d	0.014
s_rigid_bond_adp_cmpnt	0.005
s_similar_dist
s_anti_bump_dis_restr

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1833
Nucleic Acid Atoms
Solvent Atoms	512
Heterogen Atoms	8

Software

Software
Software Name	Purpose
MOLREP	phasing
SHELXL-97	refinement
XDS	data reduction
XDS	data scaling

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.