3F05

Crystal Structure of Synaptotagmin I C2A domain with Mn(II)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	2.0M Li2SO4, 100mM Tris, pH 7.5, vapor diffusion, hanging drop, temperature 298.0K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 41.549	α = 90
b = 38.512	β = 98.7
c = 44.058	γ = 90

Symmetry
Space Group	P 1 21 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	SBC-3		2005-12-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM	0.979	APS	19-BM

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	1.4	100	98.3	0.108	18.261	5.4		26922

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)
	1.4	1.45	94.1		0.153		3.2	2558

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		THROUGHOUT	1.4	20.54	26687	1337	97.25	0.194	0.192	0.228	RANDOM	18.726

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.913
r_dihedral_angle_3_deg	8.561
r_dihedral_angle_4_deg	5.478
r_dihedral_angle_1_deg	3.963
r_sphericity_bonded	2.551
r_mcangle_it	2.045
r_scangle_it	1.784
r_sphericity_free	1.75
r_mcbond_it	1.311
r_scbond_it	1.185
r_angle_refined_deg	1.153
r_rigid_bond_restr	1.071
r_nbtor_refined	0.319
r_nbd_refined	0.264
r_symmetry_vdw_refined	0.234
r_xyhbond_nbd_refined	0.182
r_symmetry_hbond_refined	0.124
r_chiral_restr	0.079
r_bond_refined_d	0.012
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1084
Nucleic Acid Atoms
Solvent Atoms	329
Heterogen Atoms	6

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling