4G61

Crystal structure of IMPase/NADP phosphatase complexed with Mg2+ and phosphate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	0.2M MgCl2 6H2O, 0.1M HEPES pH 8.0, 18% (w/v) PEG 3350, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.709	α = 90
b = 63.054	β = 90
c = 141.617	γ = 90

Symmetry
Space Group	P 21 2 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	IMAGE PLATE	RIGAKU RAXIS IV++		2012-02-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.3	70.809	98.3	0.093	20.9	7.1	24511	24511

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.42	100		0.408	0.408	0.44	0.164	1.9	7.1	3589

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.3	19.67	24474	1235	98.25	0.18	0.176	0.2553	RANDOM	21.499

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]
1.01			-0.07		-0.94

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.646
r_dihedral_angle_4_deg	26.101
r_dihedral_angle_3_deg	18.878
r_dihedral_angle_1_deg	7.481
r_scangle_it	4.162
r_scbond_it	2.686
r_angle_refined_deg	1.833
r_mcangle_it	1.473
r_mcbond_it	0.825
r_chiral_restr	0.12
r_bond_refined_d	0.019
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4184
Nucleic Acid Atoms
Solvent Atoms	251
Heterogen Atoms	85

Software

Software
Software Name	Purpose
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
StructureStudio	data collection
XSCALE	data scaling