3KI8

Crystal structure of hyperthermophilic nitrilase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	292	33% PEG 550MME, 0.2M Mg(CH3COOH)2 and 0.2 TrisHCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Properties
Matthews coefficient	Solvent content
1.95	36.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.408	α = 90
b = 67.151	β = 90.82
c = 59.15	γ = 90

Symmetry
Space Group	P 1 21 1

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	MARMOSAIC 225 mm CCD		2007-12-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X12	0.92918	EMBL/DESY, HAMBURG	X12

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.6	20	100	0.079	0.079	20	5.8	60039	60039			13.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63			0.372	0.372	4	4.9	2971

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	3IVZ	1.6	19.71	56975	3033	99.75	0.14854	0.14658	0.18587	RANDOM	14.602

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
r_dihedral_angle_2_deg	35.141
r_dihedral_angle_4_deg	14.924
r_dihedral_angle_3_deg	12.587
r_dihedral_angle_1_deg	6.577
r_scangle_it	4.592
r_scbond_it	2.805
r_angle_refined_deg	1.69
r_mcangle_it	1.655
r_mcbond_it	0.951
r_chiral_restr	0.117
r_bond_refined_d	0.017
r_gen_planes_refined	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4180
Nucleic Acid Atoms
Solvent Atoms	388
Heterogen Atoms	18

Software

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