1D2N

D2 DOMAIN OF N-ETHYLMALEIMIDE-SENSITIVE FUSION PROTEIN

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8	293	3-8% PEG 3350, 300 MM KCL, 100 MM TRIS-HCL, PH 8.0, 5 MM MGCL2, 5 MM GDCL3, 2 MM DTT, 2 MM AMP-PNP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.57	48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 116.33	α = 90
b = 116.33	β = 90
c = 40.24	γ = 120

Symmetry
Space Group	P 6

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU	GRAPHITE MONOCHROMATOR, 0.3 MM COLLIMATOR	1997-08-19	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.75	50	98.4	0.052	0.052		4.2		31212		-3	20.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.83	91.6		0.26	0.26		1.8

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	SIRAS	THROUGHOUT	1.75	50	29919	2984	94.3	0.199	0.199	0.223	RANDOM	28.7

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]
-2.8	-1.1		-2.8		5.5

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	20
c_scangle_it	3.73
c_scbond_it	2.52
c_mcangle_it	2.18
c_mcbond_it	1.46
c_angle_deg	1.3
c_improper_angle_d	0.75
c_bond_d	0.005
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

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1929
Nucleic Acid Atoms
Solvent Atoms	271
Heterogen Atoms	38

Software

Software
Software Name	Purpose
DM	model building
MLPHARE	phasing
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
DM	phasing