5XM7

Crystal structure of Plasmodium falciparum aminopeptidase N in complex with (S)-2-((2S,3R)-3-amino-2-hydroxy-4-phenylbutanamido)-N-hydroxy-4-methylpentanamide

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4X2U

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	0.1M Tris, or trisaminomethane pH8.5, 0.2M magnesium chloride, 24%PEG2000

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.462	α = 90
b = 109.103	β = 90
c = 112.372	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	RIGAKU AFC-5R		2016-05-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007	1.54

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	1.96	25	100	0.082	19.8	6.4		66352

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	1.96	2.03	100		0.348		6.1

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	4X2U	1.96	24.976	62705	3360	99.47	0.171	0.1684	0.2191	RANDOM	31.71

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.485
r_dihedral_angle_4_deg	16.491
r_dihedral_angle_3_deg	13.88
r_dihedral_angle_1_deg	6.646
r_angle_refined_deg	1.83
r_angle_other_deg	1.355
r_chiral_restr	0.119
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_bond_other_d	0.002

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.485
r_dihedral_angle_4_deg	16.491
r_dihedral_angle_3_deg	13.88
r_dihedral_angle_1_deg	6.646
r_angle_refined_deg	1.83
r_angle_other_deg	1.355
r_chiral_restr	0.119
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7308
Nucleic Acid Atoms
Solvent Atoms	380
Heterogen Atoms	100

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data collection
SCALEPACK	data scaling
MOLREP	model building
PDB_EXTRACT	data extraction
DENZO	data reduction

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.