Experiment: 2NNG

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.7	277	(NH4)2SO4, Tris, pH 7.7, vapor diffusion, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.08	40.78

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 42.289	α = 90
b = 41.44	β = 104.56
c = 71.975	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	CCD	ADSC QUANTUM 315		2005-11-10		SINGLE WAVELENGTH
2	1	x-ray

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 5.0.2	1.1	ALS	5.0.2
2

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	1.2	70	98.8	0.076	12.4	3.3		74655			12.58

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)
1,2	1.2	1.24	95.3		0.27	2.57	2.2	7174

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	AB INITIO	FREE R	1.2	70	73136	1502	96	0.13	0.132		0.165	RANDOM	19.83

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
s_approx_iso_adps	0.092
s_zero_chiral_vol	0.08
s_non_zero_chiral_vol	0.079
s_anti_bump_dis_restr	0.075
s_similar_adp_cmpnt	0.053
s_angle_d	0.03
s_from_restr_planes	0.03
s_bond_d	0.013
s_rigid_bond_adp_cmpnt	0.004
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2060
Nucleic Acid Atoms
Solvent Atoms	273
Heterogen Atoms	20

Software

Software
Software Name	Purpose
SHELXL-97	refinement
SCALEPACK	data scaling
CNS	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
DENZO	data reduction

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 R01GM157729.