2VTX

ACTIVATION OF NUCLEOPLASMIN, AN OLIGOMERIC HISTONE CHAPERONE, CHALLENGES ITS STABILITY

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.6		15 MG/ML PROTEIN, 100MM NAAC, 20MM CACL2, 30% MPD, pH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.75	54.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 67.034	α = 90
b = 94.601	β = 90
c = 176.1	γ = 90

Symmetry
Space Group	P 21 21 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 CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	2.5	40	100	0.07	7.7	6		57758		2

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	2.5	2.64	100		0.31	17.5	6.1

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 1K5J	2.5	40	37569	1984	100	0.187	0.182	0.269	RANDOM	39.25

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]
1.3			0.66		-1.96

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.109
r_dihedral_angle_4_deg	30.05
r_dihedral_angle_3_deg	18.298
r_dihedral_angle_1_deg	8.961
r_scangle_it	4.9
r_scbond_it	3.582
r_mcangle_it	2.644
r_angle_refined_deg	2.483
r_mcbond_it	1.858
r_angle_other_deg	1.252
r_xyhbond_nbd_refined	0.31
r_symmetry_vdw_refined	0.306
r_nbd_refined	0.218
r_nbd_other	0.211
r_symmetry_hbond_refined	0.211
r_nbtor_refined	0.197
r_symmetry_vdw_other	0.166
r_chiral_restr	0.149
r_nbtor_other	0.107
r_bond_refined_d	0.034
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7086
Nucleic Acid Atoms
Solvent Atoms	173
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
EPMR	phasing