3PBE

Crystal structure of the mutant W207F of human secretory glutaminyl cyclase

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	293	1.7M (NH4)2SO4, 4%(v/v) dioxane, 100mM Mes, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3	59.04

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 118.754	α = 90
b = 118.754	β = 90
c = 332.093	γ = 120

Symmetry
Space Group	H 3 2

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 QUANTUM 315r		2008-10-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSRRC BEAMLINE BL13B1	1.0	NSRRC	BL13B1

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	1.95	50	99.7	0.047	40.3	5.3	66061	65863	3	3

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	1.95	2.02	99.8		0.491	3.1	5.4	6529

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	2AFM	1.95	30	62654	62497	3335	99.75	0.14504	0.14264	0.1904	RANDOM	36.352

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]
0.18	0.09		0.18		-0.26

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.94
r_dihedral_angle_4_deg	17.615
r_dihedral_angle_3_deg	13.677
r_scangle_it	7.352
r_dihedral_angle_1_deg	6.382
r_scbond_it	5.051
r_mcangle_it	3.193
r_rigid_bond_restr	2.919
r_mcbond_it	2.095
r_angle_refined_deg	1.903
r_chiral_restr	0.164
r_bond_refined_d	0.029
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
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_mcbond_other
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5214
Nucleic Acid Atoms
Solvent Atoms	507
Heterogen Atoms	12

Software

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