Experiment: 4ESS

Crystal Structure of E6D/L155R variant of de novo designed serine hydrolase OSH55, Northeast Structural Genomics Consortium (NESG) Target OR187

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3V45	PDB ENTRY 3V45

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	microbatch under oil	6.5	293	Protein solution: 100mM NaCl, 5mM DTT, 0.02% NaN3, 10mM Tris-HCl (pH 7.5). Reservoir solution:0.1M MES, 25% PEG8K, microbatch under oil, temperature 293KK

Crystal Properties
Matthews coefficient	Solvent content
2.2	43.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.698	α = 90
b = 46.074	β = 102.84
c = 30.179	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	ADSC QUANTUM 4	mirror	2012-04-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.979	NSLS	X4A

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	1.997	30	100	0.07	6.1	6.5		10472		-3

Refinement

Statistics
Diffraction ID	Structure Solution 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-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3V45	1.9971	29.425	1.34	10464	500	99.16	0.2034	0.2005	0.1975	0.2629	0.2593

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]
8.003		-3.0697	1.0673		-9.0703

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.152
f_angle_d	1.142
f_chiral_restr	0.073
f_bond_d	0.007
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1168
Nucleic Acid Atoms
Solvent Atoms	95
Heterogen Atoms

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
BALBES	phasing