3MQI

Human early B-cell factor 1 (EBF1) IPT/TIG domain

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	9	277	0.1M Tris, 23% PEG MME, 0.3M trimethylamine n-oxide, pH 9, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.7	54.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.291	α = 90
b = 57.073	β = 93.17
c = 69.14	γ = 90

Symmetry
Space Group	C 1 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		mirrors	2009-06-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	1.00764	BESSY	14.1

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	2.3	28.53	13.46	0.095	0.095	16.78	7.6		14710	1	1	41.76

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)
	2.3	2.36	13.24		0.726	0.726	2.72	7.8	1056

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	SAD	THROUGHOUT	2.3	28.53	13970	741	97.61	0.23532	0.23335	0.27275	RANDOM	23.745

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]
0.96		0.19	-1.77		0.83

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.202
r_dihedral_angle_4_deg	22.447
r_dihedral_angle_3_deg	15.788
r_dihedral_angle_1_deg	5.617
r_angle_other_deg	4.227
r_scangle_it	2.673
r_scbond_it	1.541
r_angle_refined_deg	1.151
r_mcangle_it	1.129
r_mcbond_it	0.559
r_chiral_restr	0.074
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_gen_planes_other	0.004
r_bond_other_d
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2055
Nucleic Acid Atoms
Solvent Atoms	76
Heterogen Atoms	23

Software

Software
Software Name	Purpose
APEX	data collection
SOLVE	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling