Experiment: 4E88

CRYSTAL STRUCTURE OF DE NOVO DESIGNED CYSTEINE ESTERASE ECH13, Northeast Structural Genomics Consortium Target OR51

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3U13	pdb entry 3U13

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	Protein solution: 100mM NaCl, 5mM DTT, 0.02% NaN3, 10mM Tris-HCl (pH 7.5) . Reservoir solution:100MM NACL, 5MM DTT, 0.02% NAN3, 10MM TRIS-HCL (PH 7.5) . RESERVOIR SOLUTION: 0.2M REMARK 280 NH4F, 20% PEG3350, REMARK 280 0.02% NAN3, 10MM TRIS-HCL (PH 7.5) . RESERVOIR SOLUTION: 0.2M , VAPOR DIFFUSION, SITTING DROP, temperature 277KK

Crystal Properties
Matthews coefficient	Solvent content
2.59	52.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.994	α = 90
b = 61.745	β = 128.95
c = 59.384	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		2011-05-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5418

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	30	97.3	0.046	30.9	3.8		16356		-3	28.24

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-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	THROUGHOUT	pdb entry 3U13	2	23.091	1.38	16344	828	97.27	0.18	0.178	0.1694	0.215	0.2036	random	33.286

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]
0.61		1.933	6.468		-7.078

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	12.511
f_angle_d	1.073
f_chiral_restr	0.077
f_bond_d	0.007
f_plane_restr	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1586
Nucleic Acid Atoms
Solvent Atoms	183
Heterogen Atoms	6

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
DENZO	data reduction
SCALEPACK	data scaling
BALBES	phasing