5WRZ

Structure of human PARP1 catalytic domain bound to a phthalazinone inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	2.5M AMMONIUM SULFATE, 100mM TRIS

Crystal Properties
Matthews coefficient	Solvent content
2.33	47.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.77	α = 90
b = 92.35	β = 90
c = 163.2	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	CCD	ADSC QUANTUM 315r		2015-06-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.987	SSRF	BL17U

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.2	81.6	99.8	13.2	6.9		38297

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	2.2	81.6	36375	1855	99.75	0.23284	0.23042	0.27962	RANDOM	22.801

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]
0.36			0.64		-1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.308
r_dihedral_angle_4_deg	17.858
r_dihedral_angle_3_deg	16.659
r_dihedral_angle_1_deg	7.357
r_long_range_B_refined	6.853
r_long_range_B_other	6.853
r_mcangle_it	4.431
r_mcangle_other	4.43
r_scangle_other	4.127
r_mcbond_it	2.608
r_mcbond_other	2.604
r_scbond_it	2.416
r_scbond_other	2.416
r_angle_refined_deg	1.807
r_angle_other_deg	1.134
r_chiral_restr	0.108
r_bond_refined_d	0.016
r_gen_planes_refined	0.008
r_bond_other_d	0.003
r_gen_planes_other	0.002
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	5526
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	38

Software

Software
Software Name	Purpose
REFMAC	refinement
iMOSFLM	data reduction
SCALEPACK	data scaling
PHASER	phasing