Experiment: 1JG2

Crystal Structure of L-isoaspartyl (D-aspartyl) O-methyltransferase with adenosine

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	298	25% PEG 2000, 15% Glycerol, 0.2 M Ammonium Acetate pH 4.5, VAPOR DIFFUSION, HANGING DROP at 298K

Crystal Properties
Matthews coefficient	Solvent content
1.81	32.07

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 38.201	α = 90
b = 52.522	β = 90
c = 96.129	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	118	CCD	ADSC QUANTUM 4		2000-10-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	1.1000	NSLS	X8C

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	1.5	500	95.3	0.073			30345	30345

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)
	1.5	1.55	95.3		0.458

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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 (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.5	500	30345	30345	1517		0.229	0.229	0.221	0.2204	0.236	0.2378	random

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]
-8.411			3.067		5.344

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	2.605
c_scbond_it	1.821
c_mcangle_it	1.458
c_angle_d	1.4
c_mcbond_it	1.013
c_bond_d	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1698
Nucleic Acid Atoms
Solvent Atoms	130
Heterogen Atoms	20

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing