Experiment: 2HT6

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	292	20% PEG 8000, 0.1 M HEPES, 0.1 M sodium chloride, 0.5 mM magnesium chloride, 1 mM DTT, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
2.57	52.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 39.843	α = 90
b = 81.433	β = 90
c = 124.095	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	110	CCD	ADSC QUANTUM 210		2004-12-16	M	SAD - inverse beam

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9788	ESRF	ID14-4

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	2.4	50	99.8	0.073	21.8			16469	1	1

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)
	2.4	2.49	100		0.282	9.2

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	SAD	THROUGHOUT	2.4	50	16384	16384	830	99.6	0.229	0.229	0.226	0.287	RANDOM	42.618

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]
-0.1			0.34		-0.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.783
r_dihedral_angle_4_deg	18.445
r_dihedral_angle_3_deg	17.723
r_dihedral_angle_1_deg	7.456
r_scangle_it	2.665
r_mcangle_it	1.652
r_scbond_it	1.602
r_angle_refined_deg	1.407
r_mcbond_it	0.952
r_symmetry_hbond_refined	0.397

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.783
r_dihedral_angle_4_deg	18.445
r_dihedral_angle_3_deg	17.723
r_dihedral_angle_1_deg	7.456
r_scangle_it	2.665
r_mcangle_it	1.652
r_scbond_it	1.602
r_angle_refined_deg	1.407
r_mcbond_it	0.952
r_symmetry_hbond_refined	0.397
r_nbtor_refined	0.302
r_symmetry_vdw_refined	0.295
r_nbd_refined	0.212
r_xyhbond_nbd_refined	0.197
r_chiral_restr	0.111
r_bond_refined_d	0.011
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2622
Nucleic Acid Atoms
Solvent Atoms	85
Heterogen Atoms	58

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling
SHARP	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.