Experiment: 2REU

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	8% iso-propanol, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.68	54.05

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.789	α = 90
b = 122.009	β = 90
c = 34.736	γ = 90

Symmetry
Space Group	P 21 21 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	MARRESEARCH		2007-07-07	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BSRF BEAMLINE 3W1A	0.9789, 0.97945, 0.9	BSRF	3W1A

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	1.9	30	96.4	0.071	10			25678

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	1.9	1.97	77.1		0.433			2015

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	MAD	THROUGHOUT	1.9	28.35	25634	1276	96.4	0.201	0.199	0.236	RANDOM	30.739

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]
-1.15			1.61		-0.46

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.606
r_dihedral_angle_3_deg	13.929
r_dihedral_angle_4_deg	12.459
r_dihedral_angle_1_deg	4.883
r_mcangle_it	1.304
r_angle_refined_deg	1.031
r_scangle_it	1.026
r_mcbond_it	0.824
r_scbond_it	0.712
r_nbtor_refined	0.321

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.606
r_dihedral_angle_3_deg	13.929
r_dihedral_angle_4_deg	12.459
r_dihedral_angle_1_deg	4.883
r_mcangle_it	1.304
r_angle_refined_deg	1.031
r_scangle_it	1.026
r_mcbond_it	0.824
r_scbond_it	0.712
r_nbtor_refined	0.321
r_symmetry_hbond_refined	0.256
r_xyhbond_nbd_refined	0.231
r_nbd_refined	0.225
r_symmetry_vdw_refined	0.156
r_chiral_restr	0.08
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1961
Nucleic Acid Atoms
Solvent Atoms	225
Heterogen Atoms	1

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection

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.