4MRI

Human brain aspartoacylase mutant F295S 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
3.86	68.09

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 146.17	α = 90
b = 146.17	β = 90
c = 103.134	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	2.8	50	95	0.107	10.8	3.6		23349	2	2	34.9

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	2.8	2.9	95		0.251	0.251	2.4	1.6	1104

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	2.8	46.27	2	2	23349	22135	1191	83.03	0.18691	0.18422	0.23683	RANDOM	41.042

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]
0.48			0.48		-0.96

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.396
r_dihedral_angle_3_deg	18.019
r_dihedral_angle_4_deg	17.169
r_dihedral_angle_1_deg	6.676
r_long_range_B_other	5.827
r_long_range_B_refined	5.826
r_scangle_other	3.781
r_mcangle_it	3.57
r_mcangle_other	3.57
r_scbond_it	2.201
r_scbond_other	2.201
r_mcbond_it	2.143
r_mcbond_other	2.142
r_angle_refined_deg	1.39
r_angle_other_deg	0.766
r_chiral_restr	0.076
r_bond_refined_d	0.01
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	4853
Nucleic Acid Atoms
Solvent Atoms	72
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