2B8H

A/NWS/whale/Maine/1/84 (H1N9) reassortant influenza virus neuraminidase

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.2	291	10mM HEPES, 50mM ammonium sulfate, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
3.23	61.97

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 107.516	α = 90
b = 107.516	β = 90
c = 338.487	γ = 120

Symmetry
Space Group	P 32 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	ADSC QUANTUM 4		2003-12-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.9	APS	14-BM-C

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	2.2	20	99.7	0.086	16.3			680297

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	2.2	2.28	97.8		0.366	4.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MIR	THROUGHOUT	PDB ENTRY 7NN9	2.2	20	115856	110050	5806	99.72	0.14141	0.13891	0.18869	RANDOM	21.163

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]
0.02	0.01		0.02		-0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.313
r_dihedral_angle_4_deg	17.385
r_dihedral_angle_3_deg	14.206
r_dihedral_angle_1_deg	8.03
r_scangle_it	4.001
r_scbond_it	2.759
r_angle_refined_deg	2.023
r_mcangle_it	1.834
r_mcbond_it	1.439
r_angle_other_deg	1.228
r_mcbond_other	0.312
r_symmetry_hbond_refined	0.271
r_symmetry_vdw_other	0.254
r_symmetry_vdw_refined	0.22
r_nbd_other	0.203
r_nbd_refined	0.189
r_nbtor_refined	0.18
r_xyhbond_nbd_refined	0.179
r_xyhbond_nbd_other	0.154
r_chiral_restr	0.124
r_nbtor_other	0.095
r_bond_refined_d	0.024
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	12228
Nucleic Acid Atoms
Solvent Atoms	1373
Heterogen Atoms	766

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing