Experiment: 5VNQ

Neutron crystallographic structure of perdeuterated T4 lysozyme cysteine-free pseudo-wild type at cryogenic temperature

NEUTRON DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1LW9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.2	293	~2.0 M Na/K phosphate, pH 6-7, 250 mM NaCl, 40mM 2-hydroxyethyl disulfide

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.5	α = 90
b = 61.5	β = 90
c = 95.9	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	neutron	80	IMAGE PLATE	FUJI		2016-10-04	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	NUCLEAR REACTOR	ORNL High Flux Isotope Reactor BEAMLINE CG4D	2.8 - 4.6	ORNL High Flux Isotope Reactor	CG4D

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	16.7	72.7	0.162	6.5	3.9		7965

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	2.32			0.214

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
NEUTRON DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	1LW9	2.2	16.7	1.43	7964	190	70.23	0.2431	0.2421	0.2802

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
f_dihedral_angle_d	19.306
f_angle_d	0.658
f_chiral_restr	0.035
f_bond_d	0.004
f_plane_restr	0.002

Software

Software
Software Name	Purpose
PHENIX	refinement