2J0V

The crystal structure of Arabidopsis thaliana RAC7-ROP9: the first RAS superfamily GTPase from the plant kingdom

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1MH1	PDB ENTRY 1MH1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		50 MM BISTRIS PH 6.5, 10 MM MGCL2, 5 MM DTT, 200 MM KCL, 10% (W/V) PEG 2000, 10% (W/V) PEG 3350

Crystal Properties
Matthews coefficient	Solvent content
1.9	37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 76.76	α = 90
b = 30.2	β = 100.06
c = 139.36	γ = 90

Symmetry
Space Group	P 1 2 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	MARRESEARCH		2005-11-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1		BESSY	14.1

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	1.78	38.18	100	0.08	12.3	4.1		61628			16.88

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	1.78	1.88	100		0.44	3.2	4.1

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 1MH1	1.78	37.8	58521	3106	100	0.189	0.187	0.227	RANDOM	19.73

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]
-0.45		-0.29	-0.42		0.77

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.157
r_dihedral_angle_4_deg	17.1
r_dihedral_angle_3_deg	14.723
r_dihedral_angle_1_deg	6.276
r_scangle_it	3.825
r_scbond_it	2.543
r_mcangle_it	1.789
r_angle_refined_deg	1.633
r_mcbond_it	1.16
r_nbtor_refined	0.306
r_symmetry_vdw_refined	0.252
r_symmetry_hbond_refined	0.217
r_nbd_refined	0.214
r_xyhbond_nbd_refined	0.16
r_chiral_restr	0.119
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
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	5375
Nucleic Acid Atoms
Solvent Atoms	296
Heterogen Atoms	116

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing