2BOV

Molecular recognition of an ADP-ribosylating Clostridium botulinum C3 exoenzyme by RalA GTPase

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1G24	PDB ENTRY 1G24 AND 1UAD
experimental model	PDB	1UAD	PDB ENTRY 1G24 AND 1UAD

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.3		0.1M HEPES PH 7.3 12-15% ETHYLENE GLYCOL 14-18% PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
2.7	54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.629	α = 90
b = 90.836	β = 90
c = 100.4	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 CCD		2004-02-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6		SRS	PX9.6

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	2.66	50	99.8	0.11	14.6	15.6		15556		2	27.2

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	2.66	2.76	99.9		0.26	5.8

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 1G24 AND 1UAD	2.66	50	15430	915	99.8	0.206	0.206	0.274	RANDOM	22.5

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]
-0.98			-1.44		2.43

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.4
c_angle_deg	1.1
c_improper_angle_d	0.69
c_bond_d	0.006
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	3024
Nucleic Acid Atoms
Solvent Atoms	261
Heterogen Atoms	29

Software

Software
Software Name	Purpose
CNS	refinement
HKL-2000	data scaling
MOLREP	phasing