Experiment: 2IEQ

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ZV8	PDB ENTRY 1ZV8

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.2	298	PEG 400, sodium acetate, Imidazole, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.9	35.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.02	α = 90
b = 51.688	β = 107.56
c = 54.08	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	MAR scanner 345 mm plate		2006-04-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4C	0.9795	NSLS	X4C

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	1.747	51.57	95.6	0.068	10.7	3.2	25668	25668			20.2

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	1.747	1.81	98.1		0.363	3.7	3.1	2573

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1ZV8	1.747	51.57	25668	25668	1292	95.6	0.1986	0.19866	0.19643	0.23977	RANDOM	23.486

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]
0.43		0.97	0.03		0.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.82
r_dihedral_angle_3_deg	14.962
r_scangle_it	5.963
r_dihedral_angle_1_deg	4.538
r_scbond_it	3.48
r_mcangle_it	2.051
r_angle_refined_deg	1.502
r_mcbond_it	1.145
r_nbtor_refined	0.299
r_symmetry_vdw_refined	0.223

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.82
r_dihedral_angle_3_deg	14.962
r_scangle_it	5.963
r_dihedral_angle_1_deg	4.538
r_scbond_it	3.48
r_mcangle_it	2.051
r_angle_refined_deg	1.502
r_mcbond_it	1.145
r_nbtor_refined	0.299
r_symmetry_vdw_refined	0.223
r_nbd_refined	0.218
r_symmetry_hbond_refined	0.174
r_xyhbond_nbd_refined	0.165
r_chiral_restr	0.121
r_bond_refined_d	0.02
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2009
Nucleic Acid Atoms
Solvent Atoms	228
Heterogen Atoms	7

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
MAR345	data collection
DENZO	data reduction
SCALEPACK	data scaling

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.