2IW4

CRYSTAL STRUCTURE OF BASILLUS SUBTILIS FAMILY II INORGANIC PYROPHOSPHATASE MUTANT, H98Q, IN COMPLEX WITH PNP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1WPM	PDB ENTRY 1WPM

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.5		100MM HEPES/K (PH 7.5) 2.3-2.5M AMMONIUM SULPHATE 3-4% PEG 400

Crystal Properties
Matthews coefficient	Solvent content
3.78	67.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.908	α = 90
b = 115.249	β = 90
c = 148.06	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	IMAGE PLATE	RIGAKU RAXIS IV IMAGE PLATE	MIRRORS	2003-05-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300

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	2.15	30	98.9	0.09	15	3.7		50598		-3

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	2.15	2.19	97.9		0.4	3.3	3.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 1WPM	2.15	30	50598	2554	94.2	0.17	0.169	0.205	RANDOM	33.79

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]
-0.39			0.69		-0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.729
r_dihedral_angle_3_deg	15.922
r_dihedral_angle_4_deg	12.034
r_dihedral_angle_1_deg	5.976
r_scangle_it	3.458
r_scbond_it	2.159
r_angle_refined_deg	1.472
r_mcangle_it	1.161
r_mcbond_it	0.711
r_nbtor_refined	0.311
r_nbd_refined	0.175
r_xyhbond_nbd_refined	0.128
r_symmetry_vdw_refined	0.122
r_symmetry_hbond_refined	0.111
r_chiral_restr	0.096
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4744
Nucleic Acid Atoms
Solvent Atoms	486
Heterogen Atoms	77

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing