1IO4

CRYSTAL STRUCTURE OF RUNX-1/AML1/CBFALPHA RUNT DOMAIN-CBFBETA CORE DOMAIN HETERODIMER AND C/EBPBETA BZIP HOMODIMER BOUND TO A DNA FRAGMENT FROM THE CSF-1R PROMOTER

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	297	0.2 M potassium chloride, 0.01 M magnesium chloride, 0.01 M DTT, 4.5% V/V PEG 8000, 1% V/V glycerol, 1% V/V MPD, 0.05 M MES buffer pH 5.6, pH 5.60, VAPOR DIFFUSION, SITTING DROP, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
4.12	69.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 121.108	α = 90
b = 163.6	β = 90
c = 109.326	γ = 90

Symmetry
Space Group	C 2 2 21

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	RIGAKU RAXIS IV	MIRRORS	2000-04-07	M	THREE WAVELENGTH FROM GOLD DERIVATIVE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL45XU	1.000	SPring-8	BL45XU

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	3	20	97.1	0.062	6.2	15.5	3.173	66989	21113			45.1

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)
	3	3.05	90.8		0.372	37.2	1.7	3.246

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	3	19.95	21111	21111	1038	95.8	0.247	0.299	RANDOM	82.1

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]
29.96			-15.3		-14.66

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	23.66
c_dihedral_angle_d	21.2
c_scbond_it	20.26
c_mcangle_it	18.8
c_mcbond_it	14.09
c_angle_deg	1.3
c_improper_angle_d	1.1
c_bond_d	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3126
Nucleic Acid Atoms	1060
Solvent Atoms	8
Heterogen Atoms	3

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.