3CFV

Structural basis of the interaction of RbAp46/RbAp48 with histone H4

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	Other		our Rabp46/h4 SAD data phasing model

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.3	277	13% PEG 2000, 0.2M Ca acetate, 0.1M Na Cacodylate, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 108.661	α = 90
b = 44.79	β = 90.71
c = 109.592	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	MARMOSAIC 225 mm CCD	mirror	2007-07-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.873	ESRF	ID23-2

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	2.6	25	99.9	0.143	0.143	18.5	3.7		33119	2.8	3.3

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)
	2.6	2.74	100		0.731	0.731	3.3	3.7

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	our Rabp46/h4 SAD data phasing model	2.6	25	31416	31416	1577	99.64	0.20178	0.19895	0.25675	RANDOM	51.119

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]
-0.97		1.39	-1.55		2.55

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.235
r_dihedral_angle_3_deg	15.201
r_dihedral_angle_4_deg	12.462
r_scangle_it	5.454
r_mcangle_it	5.422
r_dihedral_angle_1_deg	4.997
r_scbond_it	3.943
r_mcbond_it	3.462
r_angle_refined_deg	0.865
r_nbtor_refined	0.319
r_nbd_refined	0.228
r_symmetry_vdw_refined	0.203
r_xyhbond_nbd_refined	0.191
r_symmetry_hbond_refined	0.164
r_chiral_restr	0.058
r_bond_refined_d	0.005
r_gen_planes_refined	0.002
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	6505
Nucleic Acid Atoms
Solvent Atoms	275
Heterogen Atoms	2

Software

Software
Software Name	Purpose
REFMAC	refinement
ADSC	data collection
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing