2PQF

Human Poly(ADP-Ribose) Polymerase 12, Catalytic fragment in complex with an inhibitor 3-Aminobenzoic acid

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.3	298	9% PEG 6000, 100mM Na Citrate, 2% DMSO, pH 4.3, VAPOR DIFFUSION, SITTING DROP, temperature 298K, pH 4.30

Crystal Properties
Matthews coefficient	Solvent content
3.3	62.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 206.59	α = 90
b = 206.59	β = 90
c = 84.73	γ = 90

Symmetry
Space Group	I 4

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	MARMOSAIC 225 mm CCD	MIRRORS	2007-03-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1		BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.2	20	1	0.071	0.083	12.8	3.8		90498

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.2	2.3	99.1		0.432	0.335	3.5	3.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	SAD	THROUGHOUT	2.2	19.6	88683	88683	1810	100	0.19922	0.19831	0.2444	RANDOM	46.866

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.839
r_dihedral_angle_4_deg	24.309
r_dihedral_angle_3_deg	15.792
r_dihedral_angle_1_deg	6.909
r_scangle_it	2.604
r_scbond_it	1.822
r_angle_refined_deg	1.585
r_mcangle_it	1.253
r_angle_other_deg	0.99
r_mcbond_it	0.969
r_symmetry_vdw_refined	0.541
r_nbd_refined	0.303
r_mcbond_other	0.236
r_symmetry_hbond_refined	0.229
r_xyhbond_nbd_refined	0.212
r_symmetry_vdw_other	0.208
r_nbtor_refined	0.197
r_nbd_other	0.178
r_chiral_restr	0.134
r_nbtor_other	0.093
r_xyhbond_nbd_other	0.033
r_bond_refined_d	0.017
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8995
Nucleic Acid Atoms
Solvent Atoms	318
Heterogen Atoms	138

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling
SOLVE	phasing