Experiment: 3HTK

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.3	293	18% PEG 3350, 40mM CaCl2, pH 7.3, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.94	58.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.465	α = 90
b = 91.574	β = 90
c = 249.215	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315		2006-11-04	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	ADSC QUANTUM 315		2007-05-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.97899	APS	19-ID
2	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.97916	APS	24-ID-C

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	2.3	50	88	0.09		4.9		21519	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)
	2.3	2.4	77.3		0.41	1.6	1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	2.31	50	20105	1038	81.84	0.257	0.256	0.27	RANDOM	59.597

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]
0.69			0.52		-1.21

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	45.089
r_dihedral_angle_4_deg	19.611
r_mcangle_it	17.317
r_dihedral_angle_3_deg	14.142
r_mcbond_it	12.749
r_scangle_it	8.026
r_scbond_it	5.353
r_dihedral_angle_1_deg	3.674
r_angle_refined_deg	1.266
r_nbtor_refined	0.322

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	45.089
r_dihedral_angle_4_deg	19.611
r_mcangle_it	17.317
r_dihedral_angle_3_deg	14.142
r_mcbond_it	12.749
r_scangle_it	8.026
r_scbond_it	5.353
r_dihedral_angle_1_deg	3.674
r_angle_refined_deg	1.266
r_nbtor_refined	0.322
r_nbd_refined	0.289
r_symmetry_vdw_refined	0.281
r_symmetry_hbond_refined	0.156
r_xyhbond_nbd_refined	0.155
r_chiral_restr	0.091
r_bond_refined_d	0.007
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3104
Nucleic Acid Atoms
Solvent Atoms	117
Heterogen Atoms	1

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
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.