3QBT

Crystal structure of OCRL1 540-678 in complex with Rab8a:GppNHp

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	293	20% (w/v) PEG 4000, 20% (v/v) glycerol, 0.16 M ammonium sulphate, 0.1 M sodium acetate, pH 4.6, vapor diffusion, hanging drop, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 157.147	α = 90
b = 55.34	β = 91.93
c = 173.836	γ = 90

Symmetry
Space Group	C 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	MARMOSAIC 225 mm CCD		2009-09-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

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	2	47.378	98.3	0.055				99857

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	2	2.1	97		0.334	4.2

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 codes 1r2q 2qv2	2	47.378	99857	4996	98.27	0.2096	0.2079	0.2411	RANDOM	39.609

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]
-2.25		0.78	0.85		1.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.088
r_dihedral_angle_4_deg	20.549
r_dihedral_angle_3_deg	14.499
r_dihedral_angle_1_deg	4.919
r_scangle_it	4.164
r_scbond_it	2.706
r_mcangle_it	1.675
r_angle_refined_deg	1.412
r_mcbond_it	1.147
r_nbtor_refined	0.314
r_symmetry_vdw_refined	0.246
r_nbd_refined	0.22
r_xyhbond_nbd_refined	0.146
r_symmetry_hbond_refined	0.12
r_chiral_restr	0.099
r_metal_ion_refined	0.018
r_bond_refined_d	0.014
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9950
Nucleic Acid Atoms
Solvent Atoms	308
Heterogen Atoms	142

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XSCALE	data scaling