1Q3L

Chromodomain Of HP1 Complexed With Histone H3 Tail Containing monomethyllysine 9.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.1	283	Ammonium Sulfate, MES, pH 6.1, VAPOR DIFFUSION, SITTING DROP, temperature 283K

Crystal Properties
Matthews coefficient	Solvent content
2.38	48.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 33.809	α = 90
b = 76.828	β = 90
c = 75.625	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	CCD	ADSC QUANTUM 315		2002-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X25	0.92080	NSLS	X25

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.64	38.35	0.9057	0.051	52.9	7.37	10752	10752

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.64	1.7	0.988		0.143	20.5		1211

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	1KNA	1.64	38.35	10752	10752	537	90.57	0.22315	0.22315	0.22218	0.24091	RANDOM	22.511

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]
1.46			-1.05		-0.4

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.727
r_scangle_it	4.871
r_scbond_it	3.019
r_mcangle_it	2.124
r_angle_refined_deg	1.898
r_angle_other_deg	1.241
r_mcbond_it	1.206
r_chiral_restr	0.431
r_symmetry_hbond_refined	0.268
r_symmetry_vdw_other	0.264
r_nbd_other	0.26
r_nbd_refined	0.226
r_symmetry_vdw_refined	0.219
r_xyhbond_nbd_refined	0.175
r_nbtor_other	0.113
r_bond_refined_d	0.017
r_gen_planes_refined	0.011
r_gen_planes_other	0.005
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	498
Nucleic Acid Atoms
Solvent Atoms	95
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
MOLREP	phasing