Experiment: 1XT5

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	295	1.2-1.4 M ammonium sulfate, 0.1 M NaCl, 0.1 M tris-HCl (or HEPES), 12% glycerol, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.708	54.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.191	α = 90
b = 59.191	β = 90
c = 79.263	γ = 120

Symmetry
Space Group	P 31 2 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	ADSC QUANTUM 210	Oxford Danfysik toroidal focusing mirror, Si(111) channel cut monochromator	2004-06-13	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	0.9796, 0.97908, 0.95007	NSLS	X6A

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	1.15	30	99.8	0.049	59.3	14	57420	57420

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)
	1.15	1.16	99.7		0.37	6		1898

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	MAD	FREE R	1.15	20	51693	51693	5835	89.8	0.1277	0.1277	0.1269	0.1434	RANDOM

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
5	904.7	1214.85

RMS Deviations
Key	Refinement Restraint Deviation
s_non_zero_chiral_vol	0.115
s_zero_chiral_vol	0.1
s_approx_iso_adps	0.083
s_angle_d	0.032
s_from_restr_planes	0.0318
s_anti_bump_dis_restr	0.031
s_similar_adp_cmpnt	0.023
s_bond_d	0.016
s_rigid_bond_adp_cmpnt	0.005
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1057
Nucleic Acid Atoms
Solvent Atoms	223
Heterogen Atoms	5

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELX	model building
SHELXL-97	refinement
SOLVE	phasing

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 R01GM133198.