4PPO

First Crystal Structure for an Oxaliplatin-Protein Complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.4	293	Crystals of HEWL in the presence of Oxaliplatin (protein to metal drug ratio 1:10, incubation time=24 h) have been grown by hanging drop vapour diffusion method using a reservoir solution of 0.6 M NaNO3, 0.1 M sodium acetate pH 4.4 and 20 % ethylene glycol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
1.93	36.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.049	α = 90
b = 77.049	β = 90
c = 37.287	γ = 90

Symmetry
Space Group	P 43 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	RIGAKU SATURN 944+	mirrors	2013-12-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54

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	1.729	54.48	97.8	0.088		3.7	12001	12001

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB code 4J1A	1.73	54.48	11406	570	97.89	0.182	0.18109	0.18	0.235	RANDOM	26.551

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]
-1.18			-1.18		2.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.717
r_dihedral_angle_4_deg	21.301
r_dihedral_angle_3_deg	12.409
r_dihedral_angle_1_deg	6.528
r_long_range_B_refined	6.392
r_long_range_B_other	6.311
r_scangle_other	5.066
r_scbond_it	3.563
r_scbond_other	3.479
r_mcangle_other	2.881
r_mcangle_it	2.879
r_mcbond_it	2.201
r_mcbond_other	2.187
r_angle_refined_deg	1.852
r_angle_other_deg	0.986
r_chiral_restr	0.13
r_bond_refined_d	0.02
r_gen_planes_refined	0.01
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1001
Nucleic Acid Atoms
Solvent Atoms	97
Heterogen Atoms	45

Software

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