3RK3

Truncated SNARE complex with complexin

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	294	13-15% polyethyleneglycol (PEG) 5000MME, 0.2 M ammonium sulfate, 0.01 M EDTA, 0.1 M Tris pH 7.5, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.55	65.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.861	α = 90
b = 52.729	β = 95.21
c = 128.712	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	200	CCD	ADSC QUANTUM 315		2009-10-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 24-ID-C	0.9797	APS	24-ID-C

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	3.5	50	94.8			6465		-3	-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.5	3.63	91.3

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 3RK2	3.5	32.05	6172	314	99.13	0.27176	0.26973	0.31631	RANDOM	99.795

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]
13.58		10.83	-0.24		-11.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.762
r_scangle_it	17.249
r_dihedral_angle_3_deg	16.636
r_dihedral_angle_4_deg	13.633
r_scbond_it	10.921
r_mcangle_it	7.096
r_dihedral_angle_1_deg	5.563
r_mcbond_it	4.741
r_angle_refined_deg	1.28
r_mcbond_other	0.859
r_angle_other_deg	0.773
r_bond_refined_d	0.054
r_chiral_restr	0.038
r_bond_other_d	0.001
r_gen_planes_refined	0.001
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2215
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

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