4LT2

HEWL co-crystallized with Carboplatin in non-NaCl conditions: crystal 2 processed using the EVAL software package

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4	294	2 uL protein/carboplatin/DMSO solution [20 mg (0.6 mM) HEWL + 1.4 mg (1.8 mM) carboplatin in 1 mL distilled water + 75 uL DMSO] + 2 uL reservoir solution [65% MPD, 0.1 M citric acid, pH 4.0] against 1 mL of reservoir solution, crystals grew after ~4 weeks, data collected 5 weeks after crystal growth, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
1.91	35.56

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.294	α = 90
b = 77.294	β = 90
c = 36.628	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	127	CCD	APEX II CCD		2013-05-08	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	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	25.15	94.9	0.193	14.2	21.6	7901	7501	4	1.1

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	2.04	93.7		1.41	1.1	5.2

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	25.15	1.1	4	7901	7501	369	99.22	0.21041	0.20771	0.26507	RANDOM	22.839

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]
-0.79			-0.79		1.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.972
r_dihedral_angle_4_deg	25.101
r_dihedral_angle_3_deg	16.398
r_dihedral_angle_1_deg	7.141
r_long_range_B_refined	6.171
r_long_range_B_other	6.17
r_scangle_other	3.805
r_scbond_it	2.948
r_scbond_other	2.945
r_mcangle_other	2.406
r_mcangle_it	2.404
r_angle_refined_deg	1.815
r_mcbond_it	1.572
r_mcbond_other	1.552
r_angle_other_deg	0.95
r_chiral_restr	0.106
r_bond_refined_d	0.016
r_gen_planes_refined	0.009
r_bond_other_d	0.001
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	1001
Nucleic Acid Atoms
Solvent Atoms	70
Heterogen Atoms	35

Software

Software
Software Name	Purpose
APEX	data collection
PHASER	phasing
REFMAC	refinement
EVAL15	data reduction
EVAL15	data scaling