5LOW

Structure of the Ca2+-bound Rabphilin 3A C2B domain SNAP25 complex (P21 space group)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	20% PEG3350 0.35 M Ammonium sulfate 0.1 M Tris (pH 8.5) al's oil

Crystal Properties
Matthews coefficient	Solvent content
2.43	49.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.08	α = 90
b = 239.496	β = 114.92
c = 71.487	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	PIXEL	DECTRIS PILATUS 6M		2015-05-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-2	0.8726	ESRF	ID23-2

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	2.8	47.9	98.3	0.173	4.8	2.4		43944

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	2.8	2.95	96.2			2.4

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	5LOB	2.8	45.03	41690	2212	98.07	0.23944	0.23793	0.26857	RANDOM	46.33

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]
6.32		-0.66	0.46		-6.78

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.15
r_dihedral_angle_3_deg	14.223
r_dihedral_angle_4_deg	11.536
r_dihedral_angle_1_deg	5.27
r_long_range_B_refined	2.146
r_long_range_B_other	2.146
r_angle_refined_deg	0.922
r_mcangle_it	0.903
r_mcangle_other	0.903
r_angle_other_deg	0.798
r_scangle_other	0.54
r_mcbond_it	0.498
r_mcbond_other	0.498
r_scbond_it	0.287
r_scbond_other	0.287
r_chiral_restr	0.056
r_bond_refined_d	0.007
r_gen_planes_refined	0.002
r_bond_other_d	0.001
r_gen_planes_other	0.001
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_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11138
Nucleic Acid Atoms
Solvent Atoms	94
Heterogen Atoms	54

Software

Software
Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PHASER	phasing
XDS	data reduction