Experiment: 4N3P

Crystal Structure of De Novo designed Serine Hydrolase OSH18, Northeast Structural Genomics Consortium (NESG) Target OR396

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1RF6

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Microbatch Under Oil	4.6	277	Protein solution: 100mM NaCl, 5mM DTT, 0.02% NaN3, 10mM Tris-HCl (pH 7.5). Reservoir solution: NaAcetate - 0.1M, PEG 3350 - 16%, Microbatch Under Oil, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.31	46.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 73.119	α = 90
b = 73.119	β = 90
c = 163.975	γ = 90

Symmetry
Space Group	P 43

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	2013-09-17	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	2.5	20	99.3	0.052	14.6	4.1		58285		-3	44.87

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	1RF6	2.501	19.736	1.44	58192	2905	99.28	0.1911	0.1878	0.1884	0.2534	0.2528	42.868

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	16.315
f_angle_d	1.205
f_chiral_restr	0.077
f_bond_d	0.008
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6339
Nucleic Acid Atoms
Solvent Atoms	66
Heterogen Atoms	26

Software

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