4NW3

Crystal structure of MLL CXXC domain in complex with a CpG DNA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION		291	20% PEG3350, 0.05 M sodium tartrate, VAPOR DIFFUSION, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.67	53.89

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.327	α = 90
b = 40.225	β = 93.51
c = 60.959	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	ADSC QUANTUM 315		2011-04-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	1.28231	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	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	2.82	40	99.8	0.066	0.066	12.2	3.7	4229	4229

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	2.82	2.92	100		0.951		3.6	809

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 ENTRIES 3QMB AND 3QMG	2.82	30	4190	191	98.84	0.2206	0.2185	0.2664	RANDOM	101.494

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]
-1.55		3.9	-4.59		5.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	44.517
r_dihedral_angle_3_deg	16.383
r_dihedral_angle_4_deg	10.471
r_dihedral_angle_1_deg	4.435
r_mcangle_it	3.323
r_angle_other_deg	2.431
r_mcbond_it	2.115
r_mcbond_other	2.115
r_angle_refined_deg	1.326
r_chiral_restr	0.113
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.005
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	355
Nucleic Acid Atoms	486
Solvent Atoms
Heterogen Atoms	2

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction