2I4T

Crystal structure of Purine Nucleoside Phosphorylase from Trichomonas vaginalis with Imm-A

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5	298	0.2 M Lithium Citrate, 30% PEG 3350, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K, pH 8.50

Crystal Properties
Matthews coefficient	Solvent content
4.61	73.34

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 155.765	α = 90
b = 155.765	β = 90
c = 102.612	γ = 120

Symmetry
Space Group	P 62

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 315		2006-03-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A		NSLS	X29A

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	2.74	30	99.3	0.09	9.9	6.2		37032

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	2.74	2.85	99.9		0.534		6.2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	2.74	7.99	35515	35515	1781	99.1	0.17	0.17	0.225	RANDOM	60.8

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]
-0.07	-0.03		-0.07		0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.87
r_dihedral_angle_4_deg	23.009
r_dihedral_angle_3_deg	20.945
r_dihedral_angle_1_deg	7.596
r_mcangle_it	2.5
r_scangle_it	2.243
r_angle_refined_deg	2.242
r_mcbond_it	1.513
r_scbond_it	1.487
r_nbtor_refined	0.345
r_nbd_refined	0.297
r_symmetry_hbond_refined	0.256
r_symmetry_vdw_refined	0.24
r_xyhbond_nbd_refined	0.224
r_chiral_restr	0.157
r_bond_refined_d	0.021
r_gen_planes_refined	0.007
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_refined
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	5283
Nucleic Acid Atoms
Solvent Atoms	75
Heterogen Atoms	82

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
MOLREP	phasing