1SKB

Crystallographic snapshots of Aspergillus fumigatus phytase revealing its enzymatic dynamics

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	300	PEG 4000, magnesium chloride hexahydrate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 300K

Crystal Properties
Matthews coefficient	Solvent content
2.37	48.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.131	α = 90
b = 70.131	β = 90
c = 186.237	γ = 90

Symmetry
Space Group	P 43 21 2

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 210		2003-10-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	CHESS BEAMLINE A1		CHESS	A1

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	1.58	30	99.5			64769	64445	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.58	1.61	99.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	1.58	30	1	64769	64445	3261		0.16	0.15619	0.15483	0.1818	RANDOM	21.662

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]
					0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.748
r_scangle_it	3.846
r_scbond_it	2.325
r_angle_refined_deg	1.436
r_mcangle_it	1.394
r_mcbond_it	0.76
r_symmetry_vdw_refined	0.22
r_symmetry_hbond_refined	0.215
r_nbd_refined	0.211
r_xyhbond_nbd_refined	0.163
r_chiral_restr	0.097
r_bond_refined_d	0.012
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_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	3374
Nucleic Acid Atoms
Solvent Atoms	746
Heterogen Atoms	84

Software

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