1JFD

STRUCTURE OF INORGANIC PYROPHOSPHATASE

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.31	40

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.4	α = 90
b = 110.4	β = 90
c = 154.8	γ = 120

Symmetry
Space Group	H 3 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		IMAGE PLATE AREA DETECTOR	MARRESEARCH		1991-04-01	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2.2	15	3	153538			0.192	0.266	21.34

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
p_transverse_tor	21.1
p_staggered_tor	20.7
p_planar_tor	8.1
p_scangle_it	3.99
p_scbond_it	2.8
p_mcangle_it	2.31
p_mcbond_it	1.9
p_multtor_nbd	0.248
p_singtor_nbd	0.181
p_xyhbond_nbd	0.17
p_chiral_restr	0.143
p_planar_d	0.038
p_angle_d	0.037
p_bond_d	0.009
p_angle_deg
p_hb_or_metal_coord
p_plane_restr
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2762
Nucleic Acid Atoms
Solvent Atoms	207
Heterogen Atoms	10

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction