1E7L

Endonuclease VII (EndoVII) N62D mutant from phage T4

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5		HANGING DROP VAPOUR DIFFUSION DROP SIZE: 1 + 1 UL PROTEIN SOLUTION: 12 MG/ML ENDOVII, 175 MM NACL, 20 MM MGCL2, 2 MM ZNCL2, 10 MM 2-MERCAPTO-ETHANOL, 10 % GLYCEROL, 10 MM MOPS PH6 WELL: 16-18% PEG5KMME, 200 MM AMMONIUM SULPHATE, 10 MM 2-MERCAPTO-ETHANOL, 100 MM TRIS PH 4.5, ~1 MM SODIUM AZIDE, 20 MM MAGNESIUM ACETATE

Crystal Properties
Matthews coefficient	Solvent content
2.56	51.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.24	α = 90
b = 35.83	β = 103.93
c = 91.93	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	IMAGE PLATE	MAR scanner 345 mm plate		1998-04-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE BW7B		EMBL/DESY, HAMBURG	BW7B

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	1.32	27	96.5	0.06	9.9	2.99		81068			17.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.32	1.37	88.9		0.301	2.3

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	MIRAS	THROUGHOUT	1.32	35	83878	4207	96.5	0.145	0.146	0.186	RANDOM	30

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_hb_or_metal_coord	0.119
p_chiral_restr	0.091
p_planar_d	0.025
p_angle_d	0.019
p_bond_d	0.01
p_plane_restr	0.008
p_angle_deg
p_mcbond_it
p_mcangle_it
p_scbond_it
p_scangle_it
p_singtor_nbd
p_multtor_nbd
p_xhyhbond_nbd
p_xyhbond_nbd
p_planar_tor
p_staggered_tor
p_orthonormal_tor
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2544
Nucleic Acid Atoms
Solvent Atoms	428
Heterogen Atoms	72

Software

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