3EBI

Structure of the M1 Alanylaminopeptidase from malaria complexed with the phosphinate dipeptide analog

X-RAY DIFFRACTION

---

Crystallization

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

Crystal Properties
Matthews coefficient	Solvent content
2.35	47.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.852	α = 90
b = 108.633	β = 90
c = 118.325	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	MAR CCD 165 mm		2008-03-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	AUSTRALIAN SYNCHROTRON BEAMLINE MX1		Australian Synchrotron	MX1

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	1.65	108.605	83.2	0.064	0.064	8.673	2.8		57395

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	1.65	1.74	74.6		0.369	0.369	1.8	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2	28.61	57395	3078	90.67	0.17729	0.17495	0.22132	RANDOM	14.542

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]
-1.24			-1		2.24

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.702
r_dihedral_angle_4_deg	15.607
r_dihedral_angle_3_deg	13.033
r_dihedral_angle_1_deg	5.904
r_scangle_it	4.412
r_scbond_it	3.14
r_mcangle_it	1.794
r_angle_refined_deg	1.331
r_mcbond_it	1.201
r_nbtor_refined	0.297
r_nbd_refined	0.177
r_symmetry_vdw_refined	0.163
r_symmetry_hbond_refined	0.13
r_xyhbond_nbd_refined	0.118
r_metal_ion_refined	0.093
r_chiral_restr	0.083
r_bond_refined_d	0.009
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_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	7291
Nucleic Acid Atoms
Solvent Atoms	740
Heterogen Atoms	60

Software

Software
Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction