5XXK

Structure-activity studies of Mdm2/Mdm4-binding stapled peptides comprising non-natural amino acids

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.4	289	0.04M Citric acid, 0.06M Bis-Tris propane pH 6.4, 20% (v/v) PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 65.52	α = 90
b = 106.41	β = 90
c = 39.3	γ = 90

Symmetry
Space Group	P 21 21 2

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	RAYONIX MX300-HS		2015-10-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13C1	0.975	NSRRC	BL13C1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	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	1.66	25.16	99.4	0.047	0.022	16.6	6.4		33120			25.256

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.66	1.7	99		0.685	0.323	2.3	6.3

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	4UMN	1.66	25.16	31426	1646	99.29	0.18856	0.18749	0.2088	RANDOM	32.326

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]
-3.11			0.6		2.5

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	44.182
r_dihedral_angle_4_deg	18.719
r_dihedral_angle_3_deg	13.636
r_dihedral_angle_1_deg	5.79
r_long_range_B_refined	5.702
r_long_range_B_other	5.622
r_scangle_other	4.152
r_mcangle_it	2.889
r_mcangle_other	2.877
r_scbond_it	2.487
r_scbond_other	2.486
r_mcbond_it	1.841
r_mcbond_other	1.833
r_angle_refined_deg	1.452
r_angle_other_deg	0.945
r_chiral_restr	0.08
r_bond_refined_d	0.009
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1753
Nucleic Acid Atoms
Solvent Atoms	124
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
PHASER	phasing