4MXU

Human brain aspartoacylase mutant K213E complex with intermediate analog (N-phosphonomethyl-L-aspartate)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6	277	14% PEG 3350, 0.05M sodium citrate, 0.3M potassium phosphate (dibasic), 3% ethylene glycol, 0.01M DTT , pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.85	68.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 146.072	α = 90
b = 146.072	β = 90
c = 103.424	γ = 90

Symmetry
Space Group	P 42 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	100	CCD	MARMOSAIC 300 mm CCD	Kirkpatrick-Baez mirrors	2013-07-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	0.97934	APS	23-ID-D

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	2.6	50	95	0.106	10.5	3.7		28127	2	2	36.9

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.6	2.69	95		0.206	0.206	3.1	1.5	1058

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB Entry 2o4h	2.6	46.25	2	2	28127	26625	1409	80.07	0.20088	0.1991	0.23429	RANDOM	53.376

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]
1			1		-2.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.057
r_dihedral_angle_4_deg	16.683
r_dihedral_angle_3_deg	16.4
r_long_range_B_refined	6.176
r_long_range_B_other	6.176
r_dihedral_angle_1_deg	5.822
r_mcangle_it	3.973
r_scangle_other	3.973
r_mcangle_other	3.972
r_mcbond_it	2.432
r_mcbond_other	2.431
r_scbond_it	2.288
r_scbond_other	2.285
r_angle_refined_deg	1.134
r_angle_other_deg	0.697
r_chiral_restr	0.059
r_bond_refined_d	0.007
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4842
Nucleic Acid Atoms
Solvent Atoms	67
Heterogen Atoms	28

Software

Software
Software Name	Purpose
Blu-Ice	data collection
CCP4	model building
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CCP4	phasing