3MQM

Crystal Structure of the Bromodomain of human ASH1L

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2NXB	PDB ENTRIES 2NXB, 2OO1, 2OSS, 2OUO, 2RFJ, 3DAI, 3D7C, 3DWY
experimental model	PDB	2OO1	PDB ENTRIES 2NXB, 2OO1, 2OSS, 2OUO, 2RFJ, 3DAI, 3D7C, 3DWY
experimental model	PDB	2OSS	PDB ENTRIES 2NXB, 2OO1, 2OSS, 2OUO, 2RFJ, 3DAI, 3D7C, 3DWY
experimental model	PDB	2OUO	PDB ENTRIES 2NXB, 2OO1, 2OSS, 2OUO, 2RFJ, 3DAI, 3D7C, 3DWY
experimental model	PDB	2RFJ	PDB ENTRIES 2NXB, 2OO1, 2OSS, 2OUO, 2RFJ, 3DAI, 3D7C, 3DWY
experimental model	PDB	3DAI	PDB ENTRIES 2NXB, 2OO1, 2OSS, 2OUO, 2RFJ, 3DAI, 3D7C, 3DWY
experimental model	PDB	3D7C	PDB ENTRIES 2NXB, 2OO1, 2OSS, 2OUO, 2RFJ, 3DAI, 3D7C, 3DWY
experimental model	PDB	3DWY	PDB ENTRIES 2NXB, 2OO1, 2OSS, 2OUO, 2RFJ, 3DAI, 3D7C, 3DWY

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	0.15M NaNO3 20% PEG3350 10% EtGly, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.63	66.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.59	α = 90
b = 69.59	β = 90
c = 151.34	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	ADSC QUANTUM 315		2010-03-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	0.9762	Diamond	I04

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	2.54	47.14	99.9	0.09	0.09	10.8	5.5	13731	13718			66.4

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	2.54	2.68	100		0.76	0.76	2.1	5.4	2022

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRIES 2NXB, 2OO1, 2OSS, 2OUO, 2RFJ, 3DAI, 3D7C, 3DWY	2.54	47.14	13711	13682	845	99.79	0.207	0.207	0.204	0.259	RANDOM	66.426

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]
29.52			29.52		-59.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.719
r_dihedral_angle_3_deg	16.874
r_dihedral_angle_4_deg	15.333
r_dihedral_angle_1_deg	5.398
r_angle_refined_deg	1.375
r_angle_other_deg	0.929
r_chiral_restr	0.078
r_bond_refined_d	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1918
Nucleic Acid Atoms
Solvent Atoms	15
Heterogen Atoms

Software

Software
Software Name	Purpose
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
GDA	data collection
MOSFLM	data reduction