2DXX

Crystal structure of Asn142 to Glu mutant of Diphthine synthase

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	MICROBATCH	6.5	295	1.8M AMMONIUM SULFATE, 0.1M MES, 0.01M Co CHLORIDE, pH 6.5, microbatch, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.2	61.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.173	α = 90
b = 105.173	β = 90
c = 137.025	γ = 90

Symmetry
Space Group	P 41 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	IMAGE PLATE	RIGAKU RAXIS V		2006-07-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL26B1	1.0	SPring-8	BL26B1

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	1.75	30	99.9	0.147	0.14	15.7	10.6	77854	77854			25.1

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	1.75	1.81	99.9		0.408	0.391	6.16	10.6	7680

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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	PDB ENTRY 1WNG	1.75	30	77770	77770	3931	99.8	0.2	0.199	0.199	0.212	RANDOM	30.8

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]
-0.67			-0.67		1.33

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.6
c_scangle_it	2.87
c_scbond_it	1.88
c_mcangle_it	1.78
c_angle_deg	1.4
c_mcbond_it	1.16
c_improper_angle_d	0.82
c_bond_d	0.006
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4174
Nucleic Acid Atoms
Solvent Atoms	555
Heterogen Atoms	121

Software

Software
Software Name	Purpose
CNS	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling