2QPJ

Human NEP complexed with a bifunctional NEP/DPP IV inhibitor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	7.5	294	25% PEG 3350, 200mM ammonium sulfate, pH 7.5, VAPOR DIFFUSION, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.123	α = 90
b = 107.123	β = 90
c = 112.375	γ = 120

Symmetry
Space Group	P 32 2 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	IMAGE PLATE	MAR scanner 345 mm plate	mirrors	2003-08-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	ENRAF-NONIUS FR591	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.05	20	93.2	0.062	10.7		43955	43955	1	1

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)
1	2.05	2.12	85.6		0.515	0.515	1.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	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	1DTM	2.05	20	1	1	43955	41720	2227	93.27	0.20976	0.20672	0.26766	RANDOM	34.342

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]
0.08	0.04		0.08		-0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	8.684
r_scangle_it	1.659
r_mcangle_it	1.634
r_scbond_it	1.016
r_mcbond_it	0.994
r_angle_refined_deg	0.737
r_angle_other_deg	0.542
r_symmetry_vdw_other	0.478
r_symmetry_hbond_refined	0.476
r_symmetry_vdw_refined	0.474
r_nbd_other	0.286
r_nbd_refined	0.252
r_xyhbond_nbd_refined	0.213
r_metal_ion_refined	0.127
r_nbtor_other	0.094
r_chiral_restr	0.04
r_bond_refined_d	0.005
r_bond_other_d	0.005
r_gen_planes_refined	0.002
r_gen_planes_other	0.001
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5595
Nucleic Acid Atoms
Solvent Atoms	291
Heterogen Atoms	81

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345dtb	data collection
DENZO	data reduction
SCALEPACK	data scaling
MERLOT	phasing