2R0D

Crystal Structure of Autoinhibited Form of Grp1 Arf GTPase Exchange Factor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.2	277.15	10% PEG 4000, 50 mM Tris, 50 mM LiSO4, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K

Crystal Properties
Matthews coefficient	Solvent content
2.8	56.15

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.906	α = 90
b = 94.705	β = 90
c = 115.436	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	CCD	ADSC QUANTUM 315		2005-02-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	0.9791	NSLS	X29A

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	1.9	20					58263

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.04	20	55392	2964	99.79	0.20962	0.2079	0.24162	RANDOM	40.746

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]
3.11			-1.99		-1.12

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.65
r_dihedral_angle_4_deg	16.299
r_dihedral_angle_3_deg	12.623
r_dihedral_angle_1_deg	5.003
r_scangle_it	2.186
r_scbond_it	1.401
r_angle_refined_deg	1.084
r_mcangle_it	1.012
r_mcbond_it	0.611
r_nbtor_refined	0.298
r_nbd_refined	0.18
r_symmetry_hbond_refined	0.178
r_symmetry_vdw_refined	0.159
r_xyhbond_nbd_refined	0.134
r_chiral_restr	0.071
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5599
Nucleic Acid Atoms
Solvent Atoms	535
Heterogen Atoms	97

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing