Experiment: 6C78

Substrate Binding Induces Conformational Changes In A Class A Beta Lactamase That Primes It For Catalysis

NEUTRON DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	BATCH MODE	6.1	293	300 MICROLITERS OF A 10 MG/ML PROTEIN CONCENTRATION IN A SOLUTION CONTAINING 2.0 M AMMONIUM SULFATE AND 0.1 M PREPARED IN D2O, PH 6.1, BATCH MODE, TEMPERATURE 293K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.4	α = 90
b = 73.4	β = 90
c = 99.39	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	293	CMOS	Hamamatsu C10158DK		2016-01-03	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SPALLATION SOURCE	ORNL Spallation Neutron Source BEAMLINE MANDI	2-4	ORNL Spallation Neutron Source	MANDI

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	14.76	85.5	0.153	12.2	4.89		27135

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	65.4		0.229	3.3

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-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
NEUTRON DIFFRACTION		FREE R-VALUE	1.75	14.76	27135		85.5

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1952
Nucleic Acid Atoms
Solvent Atoms	101
Heterogen Atoms

Software

Software
Software Name	Purpose
Mantid	data reduction
LaueView	data scaling
PHENIX	refinement