3K3A

Crystal Structure of B/Perth Neuraminidase D197E mutant in complex with Oseltamivir

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3K38	PDB ENTRY 3K38

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	281.15	12-17% w/v PEG 3350, 0.2-0.3M Na2 SO4, 5mM YCl3, VAPOR DIFFUSION, HANGING DROP, temperature 281.15K, PH7

Crystal Properties
Matthews coefficient	Solvent content
2.45	49.73

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 111.802	α = 90.04
b = 123.836	β = 90.17
c = 123.967	γ = 90.1

Symmetry
Space Group	P 1

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 270	BEAMLINE OPTICS	2008-06-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-17A	1.00000	Photon Factory	BL-17A

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	2.25	50	91.8	0.142	7	2	289650	289650	-1	-1	29.746

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)
	2.25	2.37	63.7		0.688	1	2	29350

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	PDB ENTRY 3K38	2.59	49.69	189381	9843	96.29	0.20796	0.20689	0.22859	RANDOM	39.491

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]
73.42	4.97	-7.75	-49.93	30.06	-23.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.804
r_dihedral_angle_3_deg	18.695
r_dihedral_angle_4_deg	15.944
r_dihedral_angle_1_deg	6.985
r_scangle_it	2.12
r_angle_refined_deg	1.61
r_scbond_it	1.39
r_mcangle_it	0.681
r_mcbond_it	0.39
r_chiral_restr	0.104
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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	47984
Nucleic Acid Atoms
Solvent Atoms	635
Heterogen Atoms	564

Software

Software
Software Name	Purpose
ADSC	data collection
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling