Experiment: 2AQO

Crystal structure of E. coli Isoaspartyl Dipeptidase Mutant E77Q

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ONW	PDB entry 1onw

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	290	PEG-8000, MgCl2, homopipes, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.9	57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 119.2	α = 90
b = 119.2	β = 90
c = 138.6	γ = 90

Symmetry
Space Group	P 4 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277	AREA DETECTOR	SIEMENS HI-STAR	supper mirrors	2003-08-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.95	30	93.4	0.07	8.2	3.7	68348	68348

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.95	2.04	75.7		0.28	1.7	1.7	6900

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB entry 1onw	1.95	30	68348	68348	6866	93.4	0.18	0.18	0.179	0.1594	0.219	random	29.604

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	5563
Nucleic Acid Atoms
Solvent Atoms	422
Heterogen Atoms	4

Software

Software
Software Name	Purpose
TNT	refinement
PDB_EXTRACT	data extraction
FRAMBO	data collection
XDS	data scaling
TNT	phasing