Experiment: 3ETR

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1FIQ	PDB entry 1FIQ

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH	7.2	298	PEG 8000, pH 7.2, BATCH, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.63	53.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 133.19	α = 90
b = 73.491	β = 98.68
c = 146.505	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	MARMOSAIC 325 mm CCD	APS BEAMLINE SGX PHARMACEUTICALS	2007-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 31-ID	0.9793	APS	31-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.2	50	98.7	0.197	5			140747			13.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.257		96.1	1.7

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 1FIQ	2.2	50	140747	7052	98.71	0.201	0.197	0.267	RANDOM	29.464

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]
-2.54		1.16	0.08		2.81

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.121
r_dihedral_angle_4_deg	19.318
r_dihedral_angle_3_deg	18.192
r_dihedral_angle_1_deg	7.967
r_scangle_it	4.007
r_scbond_it	2.664
r_angle_refined_deg	1.96
r_mcangle_it	1.609
r_mcbond_it	1.001
r_metal_ion_refined	0.611

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.121
r_dihedral_angle_4_deg	19.318
r_dihedral_angle_3_deg	18.192
r_dihedral_angle_1_deg	7.967
r_scangle_it	4.007
r_scbond_it	2.664
r_angle_refined_deg	1.96
r_mcangle_it	1.609
r_mcbond_it	1.001
r_metal_ion_refined	0.611
r_nbtor_refined	0.308
r_symmetry_hbond_refined	0.29
r_symmetry_vdw_refined	0.263
r_nbd_refined	0.238
r_xyhbond_nbd_refined	0.205
r_chiral_restr	0.129
r_bond_refined_d	0.02
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	18872
Nucleic Acid Atoms
Solvent Atoms	1232
Heterogen Atoms	203

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection
HKL-2000	data reduction
HKL-2000	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.