Experiment: 2VHB

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	6.4		PRECIPITANT: AMMONIUM SULFATE 1.2 M. BUFFER: PYROPHOSPHATE 0.2 M PH 6.4. ADDITIVES: ETHYLENE GLYCOL 3% V/V. PROTEIN CONCENTRATION 25 MG/ML. VAPOR DIFFUSION TECHNIQUES. AZIDE SOAKING CONDITIONS: 0.03 M N3-, 1 HOUR, PH 7.0, vapor diffusion

Crystal Properties
Matthews coefficient	Solvent content
2.3	52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.72	α = 90
b = 40.19	β = 106.55
c = 62.94	γ = 90

Symmetry
Space Group	P 1 21 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	IMAGE PLATE AREA DETECTOR	MAR RESEARCH 180MM IMAGE PLATE		1996-10-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.76	15	94	0.049	0.049	22	2.5		29076		1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.76	1.83	94.1		0.275	0.049	2	2.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	DIFFERENCE FOURIER	1.76	15	29629		92	0.197

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]

RMS Deviations
Key	Refinement Restraint Deviation
t_dihedral_angle_d	14.254
t_it	4.932
t_angle_deg	1.987
t_nbd	0.054
t_gen_planes	0.02
t_trig_c_planes	0.019
t_bond_d	0.013
t_incorr_chiral_ct
t_pseud_angle

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2077
Nucleic Acid Atoms
Solvent Atoms	184
Heterogen Atoms	92

Software

Software
Software Name	Purpose
TNT	refinement
DENZO	data reduction
SCALEPACK	data scaling
TNT	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.