4N4Q

Crystal Structure of N-acetylneuraminate lyase from Mycoplasma synoviae, crystal form II

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	277	50 mM MES, pH 6.0, 50 % MPD, vapor diffusion, sitting drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.68

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 60.225	α = 90
b = 142.441	β = 108.27
c = 80.792	γ = 90

Symmetry
Space Group	P 1 21 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	PIXEL	DECTRIS PILATUS 6M		2013-03-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	0.89997	SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2	76.718	99	0.113	6.7	3.5	85882	85882	-3	-3	27.878

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	2	2.11	97.6		0.499	0.499	1.5	3.3	12324

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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 4N4P	2	30	85788	81494	4294	98.86	0.2413	0.2392	0.283	RANDOM	27.5753

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]
1.52		-0.93	-1.8		-0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.164
r_dihedral_angle_3_deg	15.838
r_dihedral_angle_4_deg	14.017
r_dihedral_angle_1_deg	6.151
r_scangle_it	2.828
r_scbond_it	1.861
r_angle_refined_deg	1.315
r_mcangle_it	1.179
r_mcbond_it	0.659
r_chiral_restr	0.087

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.164
r_dihedral_angle_3_deg	15.838
r_dihedral_angle_4_deg	14.017
r_dihedral_angle_1_deg	6.151
r_scangle_it	2.828
r_scbond_it	1.861
r_angle_refined_deg	1.315
r_mcangle_it	1.179
r_mcbond_it	0.659
r_chiral_restr	0.087
r_bond_refined_d	0.013
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9342
Nucleic Acid Atoms
Solvent Atoms	482
Heterogen Atoms

Software

Software
Software Name	Purpose
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.