3C4H

Human poly(ADP-ribose) polymerase 3, catalytic fragment in complex with an inhibitor DR2313

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2PA9	PDB entry 2PA9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	1.9 M DL-Malic acid, 0.1 M Bis-Tris propane, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.29

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.91	α = 90
b = 57.33	β = 112.36
c = 56.26	γ = 90

Symmetry
Space Group	P 1 21 1

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 315	Mirrors	2007-09-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	1.0000	ESRF	ID29

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	2.1	20	99.6	0.105	15.22	7.4	18978	18978			24.9

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	2.1	2.2	100		0.45	4.64	7.5	2442

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 2PA9	2.1	19.98	18027	18027	949	100	0.17758	0.17758	0.17421	0.24197	RANDOM	25.402

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]
0.29		0.15	-0.19		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.989
r_dihedral_angle_4_deg	17.77
r_dihedral_angle_3_deg	12.782
r_dihedral_angle_1_deg	5.781
r_scangle_it	2.201
r_scbond_it	1.397
r_angle_refined_deg	1.13
r_mcangle_it	0.941
r_mcbond_it	0.568
r_nbtor_refined	0.297
r_nbd_refined	0.187
r_symmetry_vdw_refined	0.187
r_xyhbond_nbd_refined	0.132
r_symmetry_hbond_refined	0.126
r_chiral_restr	0.071
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2769
Nucleic Acid Atoms
Solvent Atoms	153
Heterogen Atoms	16

Software

Software
Software Name	Purpose
REFMAC	refinement
MxCuBE	data collection
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing