3OA6

Human MSL3 Chromodomain bound to DNA and H4K20me1 peptide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	277	0.04M Barium acetate, 0.05M sodium cacodylate, 18% 2-methyl-2,4-pentanediol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.63

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.976	α = 81.35
b = 44.094	β = 89.84
c = 67.5	γ = 90.04

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.99999	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.35	40	97.2	0.049		2		17458		-3

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)
	2.35	2.44	97.6		0.42		2	1742

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.35	9.93	16389	880	97.19	0.229	0.2265	0.2773	RANDOM	77.65

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]
-0.31	-0.21	-0.18	0.2	0.02	0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.585
r_dihedral_angle_4_deg	22.872
r_dihedral_angle_3_deg	22.198
r_dihedral_angle_1_deg	7.53
r_mcangle_it	2.557
r_scangle_it	2.073
r_angle_refined_deg	1.94
r_angle_other_deg	1.641
r_mcbond_it	1.473
r_scbond_it	1.273
r_mcbond_other	0.245
r_chiral_restr	0.104
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_bond_other_d	0.004
r_gen_planes_other	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1435
Nucleic Acid Atoms	1300
Solvent Atoms	108
Heterogen Atoms	5

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction