4GCC

Room temperature X-ray diffraction study of a 6-fold molar excess of a cisplatin/carboplatin mixture binding to HEWL, Dataset 1

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.7	277	49 mg HEWL (3.2 mM), 3 mg cisplatin (10 mM), 3.7 mg carboplatin (10 mM) in 0.04 M sodium acetate buffer (462.5 uL) + 10% sodium chloride precipitant (462.5 uL) + 1 mM DMSO (75 uL), pH 4.7, BATCH, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.863	α = 90
b = 79.863	β = 90
c = 37.802	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	300	CCD	APEX II CCD		2012-05-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR-H	1.5418

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	56.47	99.9	0.202	6.9	9.8	8276	8270	4	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	2.05	100		0.796	1.42	6.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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	PDB ENTRY 2W1Y	2	56.47	2	4	8276	8270	415	99.97	0.18885	0.18601	0.24842	RANDOM	24.22

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]
0.34			0.34		-0.69

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.918
r_dihedral_angle_4_deg	20.656
r_dihedral_angle_3_deg	15.769
r_dihedral_angle_1_deg	6.805
r_angle_refined_deg	1.85
r_angle_other_deg	1.036
r_chiral_restr	0.112
r_bond_refined_d	0.018
r_gen_planes_refined	0.008
r_bond_other_d	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.918
r_dihedral_angle_4_deg	20.656
r_dihedral_angle_3_deg	15.769
r_dihedral_angle_1_deg	6.805
r_angle_refined_deg	1.85
r_angle_other_deg	1.036
r_chiral_restr	0.112
r_bond_refined_d	0.018
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1001
Nucleic Acid Atoms
Solvent Atoms	44
Heterogen Atoms	23

Software

Software
Software Name	Purpose
APEX	data collection
PHASER	phasing
REFMAC	refinement
APEX	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.