5Y19

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5	298	0.1M Tris pH 8.5, 0.2M Magnesium chloride, 24% PEG 2000

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.52

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.988	α = 90
b = 109.258	β = 90
c = 112.238	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	IMAGE PLATE	RIGAKU RAXIS IV		2016-05-26	M	SINGLE WAVELENGTH

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

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	1.83	24.96	98.9	0.062	0.997	24.4	6.1		80888			27.46

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.83	1.896	99.8		0.064	0.963	5.79	6.9

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	1.83	24.96	76530	4044	98.39	0.168	0.1659	0.2073	RANDOM	29.014

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	36.459
r_dihedral_angle_4_deg	15.991
r_dihedral_angle_3_deg	13.596
r_dihedral_angle_1_deg	6.247
r_angle_refined_deg	1.862
r_angle_other_deg	1.097
r_chiral_restr	0.138
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	36.459
r_dihedral_angle_4_deg	15.991
r_dihedral_angle_3_deg	13.596
r_dihedral_angle_1_deg	6.247
r_angle_refined_deg	1.862
r_angle_other_deg	1.097
r_chiral_restr	0.138
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	399
Heterogen Atoms	32

Software

Software
Software Name	Purpose
DENZO	data collection
SCALEPACK	data scaling
MOLREP	model building
REFMAC	refinement
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 R01GM133198.