2WC0

crystal structure of human insulin degrading enzyme in complex with iodinated insulin

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2G47	PDB ENTRY 2G47

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		pH 7

Crystal Properties
Matthews coefficient	Solvent content
3.87	67.93

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 263.169	α = 90
b = 263.169	β = 90
c = 90.875	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	287	CCD	ADSC CCD		2007-04-09	M	SINGLE WAVELENGTH

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

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	50	99.6	0.13	19.8	6.5		97980		2

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	2.8	2.91	98.3		0.53	3.6	5.2

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	PDB ENTRY 2G47	2.8	29.85	83937	4422	99.7	0.172	0.17	0.22	RANDOM	40.55

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]
0.02	0.01		0.02		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.55
r_dihedral_angle_4_deg	22.714
r_dihedral_angle_3_deg	21.285
r_dihedral_angle_1_deg	7.871
r_scangle_it	5.857
r_scbond_it	3.688
r_angle_refined_deg	2.515
r_mcangle_it	2.092
r_mcbond_it	1.285
r_nbtor_refined	0.339
r_symmetry_vdw_refined	0.28
r_nbd_refined	0.264
r_symmetry_hbond_refined	0.216
r_xyhbond_nbd_refined	0.203
r_chiral_restr	0.155
r_bond_refined_d	0.03
r_gen_planes_refined	0.01
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16187
Nucleic Acid Atoms
Solvent Atoms	360
Heterogen Atoms	50

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-3000	data reduction
SCALEPACK	data scaling
PHASER	phasing