4K5P

Phosphonic Arginine Mimetics as Inhibitors of the M1 Aminopeptidases from Plasmodium falciparum

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3EBH

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	22% (v/v) PEG 8000, 10% (v/v) glycerol, 0.1 M Tris, 0.2 M MgCl2, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.794	α = 90
b = 109.048	β = 90
c = 118.84	γ = 90

Symmetry
Space Group	P 21 21 21

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 210r		2010-02-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I03	0.95467	Diamond	I03

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	1.85	80.35	100			1258298	84723

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	3EBH	1.85	80.35	84640	4292	100	0.1748	0.1721	0.2246	3EBH	23.0722

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]
-0.57			-0.43		1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.928
r_dihedral_angle_4_deg	22.906
r_dihedral_angle_3_deg	14.712
r_dihedral_angle_1_deg	6.142
r_scangle_it	5.231
r_scbond_it	3.383
r_mcangle_it	1.978
r_angle_refined_deg	1.855
r_mcbond_it	1.171
r_chiral_restr	0.137

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.928
r_dihedral_angle_4_deg	22.906
r_dihedral_angle_3_deg	14.712
r_dihedral_angle_1_deg	6.142
r_scangle_it	5.231
r_scbond_it	3.383
r_mcangle_it	1.978
r_angle_refined_deg	1.855
r_mcbond_it	1.171
r_chiral_restr	0.137
r_bond_refined_d	0.023
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7276
Nucleic Acid Atoms
Solvent Atoms	978
Heterogen Atoms	30

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
XDS	data reduction
SCALA	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.