1RYF

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

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

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