2J05

Crystal structure of the RasGAP SH3 domain at 1.5 Angstrom resolution

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9		100 MM KNO3, 100 MM TAPS, PH 9 AND 40% PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
1.92	36.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.8	α = 90
b = 32.8	β = 90
c = 183.33	γ = 120

Symmetry
Space Group	P 61

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 CCD		2006-05-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

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	1.5	45	98.4	0.1	20.2	6.3		35348			17.5

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	1.5	1.58	89.2		0.35	7.3	3.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	SAD	THROUGHOUT	1.5	28.41	34709	1750	98.5	0.177	0.177	0.199	RANDOM	19.2

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]
0.48	0.82		0.48		-0.95

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.6
c_scangle_it	4.63
c_scbond_it	3
c_mcangle_it	2.69
c_mcbond_it	1.77
c_angle_deg	1.5
c_improper_angle_d	0.86
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1023
Nucleic Acid Atoms
Solvent Atoms	117
Heterogen Atoms

Software

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