1OIX

X-ray structure of the small G protein Rab11a in complex with GDP and Pi

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1OIW	PDB ENTRY 1OIW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		1.4 M NACL, 0.15 M NAH2PO4, 0.15 M KH2PO4,0.1 M NAMES PH6.5, pH 6.50

Crystal Properties
Matthews coefficient	Solvent content
1.99	38.19

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.077	α = 90
b = 74.077	β = 90
c = 124.905	γ = 90

Symmetry
Space Group	I 4 2 2

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		2002-11-09	M	SINGLE WAVELENGTH

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

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	1.7	30	99.2	0.046	13.2	12.6		19517			17.1

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	1.7	1.76	97.1		0.279

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 1OIW	1.7	30	19373	1620	99.1	0.201	0.201	0.229	RANDOM	24.1

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]
0.37			0.37		-0.73

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	25.7
c_improper_angle_d	3.97
c_angle_deg	2.1
c_bond_d	0.02
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
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1330
Nucleic Acid Atoms
Solvent Atoms	163
Heterogen Atoms	35

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing