Experiment: 2ZIH

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	293	8% PEG 3350, 5% ethylene glycol, 50mM MES, 50mM NaCl, 50mM CaCl2, 10mM EGTA, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.82	56.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 102.688	α = 90
b = 102.688	β = 90
c = 292.323	γ = 120

Symmetry
Space Group	P 31 2 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	MARMOSAIC 300 mm CCD		2007-04-09	M	MAD
2	1	x-ray	100	CCD	MARMOSAIC 300 mm CCD		2007-04-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97926, 0.97942, 0.94927	APS	23-ID-D
2	SYNCHROTRON	APS BEAMLINE 23-ID-D	1.0360	APS	23-ID-D

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	2.8	50	97.4	0.093	11.3	5.2		43558			58.3

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)
	2.8	2.9	83.8		0.342		2.8	3658

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	2.8	37.99	43510	2198	96.57	0.237	0.233	0.302	RANDOM	45.287

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]
1.94	0.97		1.94		-2.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.039
r_dihedral_angle_3_deg	21.366
r_dihedral_angle_4_deg	21.033
r_dihedral_angle_1_deg	7.317
r_scangle_it	2.646
r_angle_refined_deg	1.64
r_scbond_it	1.579
r_mcangle_it	1.137
r_mcbond_it	0.617
r_nbtor_refined	0.318

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.039
r_dihedral_angle_3_deg	21.366
r_dihedral_angle_4_deg	21.033
r_dihedral_angle_1_deg	7.317
r_scangle_it	2.646
r_angle_refined_deg	1.64
r_scbond_it	1.579
r_mcangle_it	1.137
r_mcbond_it	0.617
r_nbtor_refined	0.318
r_nbd_refined	0.244
r_symmetry_vdw_refined	0.186
r_xyhbond_nbd_refined	0.17
r_symmetry_hbond_refined	0.166
r_chiral_restr	0.126
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8536
Nucleic Acid Atoms
Solvent Atoms	5
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXD	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.