4EPQ

canonical poly(ADP-ribose) glycohydrolase RBPI inhibitor complex from Tetrahymena thermophila

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4EPP	PDB ENTRY 4EPP

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.6	52.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.68	α = 90
b = 80.68	β = 90
c = 89.42	γ = 90

Symmetry
Space Group	P 41

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray						M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04	1.0	Diamond	I04

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	2.399	36.771					22497

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 4EPP	2.399	36.771	2	22497	1151	99.88	0.1683	0.165	0.2307

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]
-0.203			-0.203		0.406

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.647
f_angle_d	1.151
f_chiral_restr	0.075
f_bond_d	0.008
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3617
Nucleic Acid Atoms
Solvent Atoms	69
Heterogen Atoms	32

Software

Software
Software Name	Purpose
PHENIX	refinement