3N56 | pdb_00003n56

Crystal Structure of human Insulin-degrading enzyme (IDE) in complex with human B-type natriuretic peptide (BNP)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3CWW	PDB entry 3cww

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	291	13% PEGMME-5000, 10% TACSIMATE, 10% DIOXANE, 100 mM Na-HEPES, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.86	68.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 264.036	α = 90
b = 264.036	β = 90
c = 90.645	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	100	CCD	ADSC QUANTUM 315	MIRRORS	2009-08-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-ID	0.9794	APS	19-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	3.102	50	96.54	0.20299	0.078	10.3	2.5	63372	62152		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	3.102	3.182	98.64		0.295	0.462	1.8	2.5	4642

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3cww	3.102	50	63359	62152	1206	96.54	0.203	0.20221	0.1976	0.243	0.2337	RANDOM	54.03

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]
1.26	0.63		1.26		-1.88

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.363
r_dihedral_angle_3_deg	18.821
r_dihedral_angle_4_deg	18.483
r_dihedral_angle_1_deg	5.375
r_scangle_it	1.356
r_angle_refined_deg	1.166
r_mcangle_it	0.728
r_scbond_it	0.725
r_mcbond_it	0.381
r_chiral_restr	0.083
r_bond_refined_d	0.007
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15572
Nucleic Acid Atoms
Solvent Atoms	54
Heterogen Atoms	14

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data collection
HKL-2000	data reduction
HKL-2000	data scaling