2BV3

Crystal structure of a mutant elongation factor G trapped with a GTP analogue

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2BM0	PDB ENTRY 2BM0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.3		17 % PEG8000, 10 MM MGCL2, 100 MM GDPNP, 46 MM TRIS, 100 MM HEPES, pH 7.30

Crystal Properties
Matthews coefficient	Solvent content
3	58.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.99	α = 90
b = 103.34	β = 90
c = 118.91	γ = 90

Symmetry
Space Group	P 21 21 21

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	MARRESEARCH	MIRROR	2004-04-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	MAX II BEAMLINE I711		MAX II	I711

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.5	26.9	96.5	0.07	11.5	7.6		30656		2.5

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.6	94.6		0.44	2.7	6.5

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	PDB ENTRY 2BM0	2.5	17.43	29084	1572	94.8	0.205	0.202	0.27	RANDOM	53.29

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]
0.66			-1.08		0.42

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.244
r_dihedral_angle_3_deg	19.264
r_dihedral_angle_4_deg	18.923
r_scangle_it	8.374
r_mcangle_it	6.833
r_dihedral_angle_1_deg	6.13
r_scbond_it	5.913
r_mcbond_it	5.089
r_angle_refined_deg	1.367
r_nbtor_refined	0.307
r_nbd_refined	0.22
r_symmetry_hbond_refined	0.21
r_symmetry_vdw_refined	0.198
r_xyhbond_nbd_refined	0.164
r_chiral_restr	0.094
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4848
Nucleic Acid Atoms
Solvent Atoms	157
Heterogen Atoms	33

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
MOLREP	phasing