8RI3

Crystal structure of transplatin/B-DNA adduct obtained upon 7 days of soaking

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	7-14% (v/v) 2-methyl-2,4-pentanediol (MPD), 20 mM MgCl2, 80 mM spermine tetrahydrochloride, and 60 mM sodium cacodylate pH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 25.56	α = 90
b = 40.39	β = 90
c = 65.67	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M		2023-10-04	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ELETTRA BEAMLINE 11.2C	1.00	ELETTRA	11.2C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	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	1.4	34.404	98.9	0.998	13.2	9.7		13972

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.4	1.42	100		0.601	0.9	9.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1.4	34.404	12330	591	88.141	0.218	0.2159	0.2567	15.483

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]
0.058			-0.149		0.091

RMS Deviations
Key	Refinement Restraint Deviation
r_lrange_it	5.531
r_lrange_other	5.412
r_scangle_it	3.712
r_scangle_other	3.708
r_angle_refined_deg	3.046
r_scbond_it	2.405
r_scbond_other	1.977
r_angle_other_deg	0.494
r_nbd_refined	0.249
r_nbtor_refined	0.245
r_symmetry_nbd_other	0.214
r_xyhbond_nbd_refined	0.17
r_nbd_other	0.155
r_chiral_restr	0.149
r_symmetry_xyhbond_nbd_refined	0.115
r_symmetry_nbtor_other	0.096
r_metal_ion_refined	0.095
r_symmetry_nbd_refined	0.049
r_gen_planes_refined	0.03
r_bond_refined_d	0.009
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_ext_dist_refined_b

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms
Nucleic Acid Atoms	486
Solvent Atoms	109
Heterogen Atoms	8

Software

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