Experiment: 3MUJ

Early B-cell factor 3 (EBF3) IPT/TIG and dimerization helices

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3MQI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.9	277	0.1M BTP, 0.2M Naformate, 21% PEG3350, pH 6.9, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.53	65.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 134.68	α = 90
b = 134.68	β = 90
c = 41.15	γ = 120

Symmetry
Space Group	P 65

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	RAYONIX MX-225	DOUBLE CRYSTAL MONOCHROMATOR WITH 2 SETS OF MIRRORS	2009-11-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.2		BESSY	14.2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.92	44.1	94	0.057	0.057	30.82	9.1		32303			31.99

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.92	1.96	17.3		0.473	0.473	4.64	13.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	3MQI	1.92	44.1	2	32297	2004	97.1	0.171	0.17	0.1662	0.193	0.1894

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]
-1.9334			-1.9334		3.8667

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.086
f_angle_d	1.476
f_chiral_restr	0.106
f_bond_d	0.015
f_plane_restr	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2061
Nucleic Acid Atoms
Solvent Atoms	340
Heterogen Atoms	14

Software

Software
Software Name	Purpose
APEX	data collection
PHASER	phasing
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling