1ZW6

Crystal Structure of the GTP-bound form of RasQ61G

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	22% PEG4000, 200mM Ca Acetate, 100 mM Tris-HCl, 10 mM MgCl2, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.61	54.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.776	α = 90
b = 88.776	β = 90
c = 134.392	γ = 120

Symmetry
Space Group	H 3 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 4	Monochromator	2004-12-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X26C	1.0	NSLS	X26C

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	1.5	30.8	99.4	0.086	24.1	7.1	30980	30980		2	24

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)
	1.5	1.54	99.8		0.465	3.8	6	32638

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	1.5	30.79	30980	30980	1653	99.44	0.146	0.146	0.14419	0.17403	RANDOM	16.236

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]
-0.07	-0.03		-0.07		0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.017
r_dihedral_angle_4_deg	15.537
r_dihedral_angle_3_deg	14.75
r_dihedral_angle_1_deg	9.712
r_sphericity_free	6.503
r_scangle_it	4.064
r_scbond_it	2.913
r_sphericity_bonded	2.487
r_angle_other_deg	2.348
r_mcangle_it	2.119
r_mcbond_it	1.573
r_rigid_bond_restr	1.529
r_angle_refined_deg	1.489
r_mcbond_other	0.495
r_symmetry_vdw_refined	0.397
r_symmetry_metal_ion_refined	0.334
r_symmetry_vdw_other	0.266
r_symmetry_hbond_refined	0.261
r_nbd_refined	0.208
r_nbd_other	0.197
r_xyhbond_nbd_refined	0.188
r_nbtor_refined	0.18
r_metal_ion_refined	0.128
r_nbtor_other	0.091
r_chiral_restr	0.083
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1355
Nucleic Acid Atoms
Solvent Atoms	167
Heterogen Atoms	37

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHELX	phasing