1RYF

Alternative Splicing of Rac1 Generates Rac1b, a Self-activating GTPase

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.64	α = 90
b = 78.69	β = 90
c = 96.79	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					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-2		ESRF	ID14-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	24.922					39688

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1MH1	1.75	24.92	37724	1958	97.91	0.1899	0.1899	0.18827	0.223	RANDOM	20.376

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]
0.24			0.24		-0.48

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.774
r_scangle_it	4.429
r_scbond_it	2.881
r_mcangle_it	1.974
r_angle_refined_deg	1.873
r_mcbond_it	1.164
r_angle_other_deg	0.966
r_symmetry_vdw_other	0.356
r_nbd_other	0.249
r_nbd_refined	0.211
r_symmetry_vdw_refined	0.208
r_symmetry_hbond_refined	0.186
r_xyhbond_nbd_refined	0.173
r_chiral_restr	0.137
r_nbtor_other	0.088
r_metal_ion_refined	0.033
r_bond_refined_d	0.021
r_gen_planes_refined	0.01
r_bond_other_d	0.003
r_gen_planes_other	0.002
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2580
Nucleic Acid Atoms
Solvent Atoms	273
Heterogen Atoms	58

Software

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