2QQS

JMJD2A tandem tudor domains in complex with a trimethylated histone H4-K20 peptide

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1			293	293K

Crystal Properties
Matthews coefficient	Solvent content
2.12	41.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.97	α = 90
b = 27.689	β = 90.77
c = 82.424	γ = 90

Symmetry
Space Group	P 1 21 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		2007-02-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.97918	APS	19-BM

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	2.82	50	88.8	0.107	16.2	3.7		5184

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)
	2.82	2.92			0.396	1.2	3.7

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 ENTRY 2QQR	2.82	25.97	5184	237	85.59	0.23811	0.23612	0.28292	RANDOM	23.236

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]
1.92		0.24	-0.66		-1.25

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.23
r_dihedral_angle_3_deg	21.071
r_dihedral_angle_4_deg	18.942
r_dihedral_angle_1_deg	9.835
r_scangle_it	2.031
r_angle_refined_deg	1.559
r_scbond_it	1.456
r_mcangle_it	0.858
r_mcbond_it	0.494
r_nbtor_refined	0.321
r_nbd_refined	0.264
r_symmetry_hbond_refined	0.243
r_symmetry_vdw_refined	0.221
r_xyhbond_nbd_refined	0.214
r_chiral_restr	0.116
r_bond_refined_d	0.014
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
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	1866
Nucleic Acid Atoms
Solvent Atoms	63
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling