2YA8

Crystal structure of Streptococcus pneumoniae NanA (TIGR4) in complex with Oseltamivir carboxylate

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				20% PEG 3350, 200 MM KFORMATE, 20 MM TRIS PH 7.5 .

Crystal Properties
Matthews coefficient	Solvent content
2.2	44.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 165.754	α = 90
b = 48.492	β = 104.04
c = 125.183	γ = 90

Symmetry
Space Group	C 1 2 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	MARMOSAIC 225 mm CCD	TOROIDAL MIRROR	2007-01-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	1.75	50	99.9	0.06	21.1	4.2		97972		-3	22.7

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	1.75	1.81	100		0.44	3	4.2

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	1.75	24.95	93060	4897	99.91	0.18327	0.18105	0.225	RANDOM	25.738

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	35.033
r_dihedral_angle_4_deg	14.744
r_dihedral_angle_3_deg	12.683
r_dihedral_angle_1_deg	6.863
r_scangle_it	2.944
r_scbond_it	1.88
r_angle_refined_deg	1.291
r_mcangle_it	1.289
r_mcbond_it	0.769
r_nbtor_refined	0.307
r_nbd_refined	0.192
r_xyhbond_nbd_refined	0.141
r_symmetry_vdw_refined	0.121
r_symmetry_hbond_refined	0.118
r_chiral_restr	0.091
r_bond_refined_d	0.01
r_gen_planes_refined	0.005
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_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7440
Nucleic Acid Atoms
Solvent Atoms	954
Heterogen Atoms	66

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing