Experiment: 3AHX

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	298	0.1M Hepes, 21-23%(w/v) PEG 3350, 0.3-0.45M Li2SO4, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.59	52.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.498	α = 90
b = 128.498	β = 90
c = 264.06	γ = 90

Symmetry
Space Group	P 41 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	ADSC QUANTUM 315	Vertically Collimating Premirror, Toroidal Focusing Mirror	2008-11-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1	1.0000	NSRRC	BL13B1

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	99.2	0.062	27.5	6.7	172709	171402		1	31

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)
	1.9	1.97	98		0.323	3.8	3.8	17061

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1OD0	1.9	28.3	151131	7980	92.04	0.14867	0.14606	0.19832	RANDOM	20.123

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]
1.69			1.69		-3.38

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.031
r_dihedral_angle_4_deg	18.978
r_dihedral_angle_3_deg	12.089
r_sphericity_free	6.292
r_dihedral_angle_1_deg	4.698
r_scangle_it	4.635
r_sphericity_bonded	3.303
r_scbond_it	3.111
r_rigid_bond_restr	2.042
r_mcangle_it	2.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.031
r_dihedral_angle_4_deg	18.978
r_dihedral_angle_3_deg	12.089
r_sphericity_free	6.292
r_dihedral_angle_1_deg	4.698
r_scangle_it	4.635
r_sphericity_bonded	3.303
r_scbond_it	3.111
r_rigid_bond_restr	2.042
r_mcangle_it	2.01
r_angle_refined_deg	1.415
r_mcbond_it	1.259
r_chiral_restr	0.105
r_bond_refined_d	0.006
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	14530
Nucleic Acid Atoms
Solvent Atoms	2147
Heterogen Atoms	42

Software

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