7QSF

Structure of E.coli Class 2 L-asparaginase EcAIII, mutant RDM1-12 (G206C, R207T, D210A, S211A)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	30% PEG 6000, 0.2 M MgCl2 in 0.1M Tris-HCl pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.16	43.17

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 51.623	α = 90
b = 75.052	β = 90
c = 149.137	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	100	PIXEL	RIGAKU HyPix-6000HE		2020-07-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	Agilent SuperNova	1.54056

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	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	1.6	19.05	90.7	0.056	0.07	0.995	9.8	2.3		69731

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63	86.8		0.22	0.293	0.883		1.8

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2ZAL	1.6	19.05	69700	1039	90.157	0.174	0.1737	0.2109	16.778

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]
-0.082			0.022		0.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.119
r_dihedral_angle_4_deg	14.511
r_dihedral_angle_3_deg	12.632
r_lrange_it	7.31
r_lrange_other	7.278
r_dihedral_angle_1_deg	6.82
r_scangle_it	5.7
r_scangle_other	5.699
r_scbond_it	4.46
r_scbond_other	4.459
r_mcangle_it	2.322
r_mcangle_other	2.322
r_mcbond_it	1.871
r_mcbond_other	1.863
r_angle_refined_deg	1.672
r_angle_other_deg	1.65
r_symmetry_nbd_refined	0.245
r_nbd_other	0.217
r_nbd_refined	0.212
r_symmetry_xyhbond_nbd_refined	0.209
r_symmetry_nbd_other	0.182
r_xyhbond_nbd_refined	0.157
r_nbtor_refined	0.153
r_metal_ion_refined	0.121
r_chiral_restr	0.083
r_symmetry_nbtor_other	0.07
r_bond_other_d	0.015
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_gen_planes_other	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4198
Nucleic Acid Atoms
Solvent Atoms	597
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
CrysalisPro	data reduction
Aimless	data scaling
PHASER	phasing