3QZ2

The structure of cysteine-free human insulin degrading enzyme

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	298	10-13% PEG MME 5000, 100 mM HEPES pH 7.0, 4-14% Tacsimate, 10% dioxane, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.93	68.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 262.073	α = 90
b = 262.073	β = 90
c = 90.838	γ = 120

Symmetry
Space Group	P 65

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	278	IMAGE PLATE	MAR scanner 345 mm plate		2010-10-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9597	APS	19-ID

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	3.2	50	99.8			55731	55620	2	2

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	MOLECULAR REPLACEMENT	THROUGHOUT	3.2	50	55620	2967	99.64	0.17514	0.17166	0.24072	RANDOM	27.31

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]
0.04	0.02		0.04		-0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.165
r_dihedral_angle_3_deg	22.332
r_dihedral_angle_4_deg	21.766
r_dihedral_angle_1_deg	6.885
r_scangle_it	3.586
r_scbond_it	1.996
r_angle_refined_deg	1.852
r_mcangle_it	1.266
r_mcbond_it	0.611
r_chiral_restr	0.117
r_bond_refined_d	0.018
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15570
Nucleic Acid Atoms
Solvent Atoms	176
Heterogen Atoms	2

Software

Software
Software Name	Purpose
HKL-3000	data collection
PHASES	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling