7QQ8

Structure of E.coli Class 2 L-asparaginase EcAIII, mutant RDM1-8 (G206Y, R207Q, D210P, S211T)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	20% PEG 4000; 15% PEG 400; 0,2 M MgCl2 in 0.1M Tris-HCl pH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 50.005	α = 90
b = 74.885	β = 90
c = 147.835	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		2020-07-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	agilent	1.5406

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	1.8	19.161	93.6	0.076	0.092	0.996	8	2.6		48975

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	1.8	1.84			0.519	0.631	0.692	1.6

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	1.8	19.161	48924	1001	93.436	0.196	0.1955	0.2365	17.964

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]
0.364			0.11		-0.474

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.215
r_dihedral_angle_4_deg	14.373
r_dihedral_angle_3_deg	13.787
r_dihedral_angle_1_deg	7.031
r_lrange_it	4.294
r_lrange_other	4.272
r_scangle_it	2.171
r_scangle_other	2.17
r_mcangle_it	1.864
r_mcangle_other	1.863
r_angle_refined_deg	1.609
r_angle_other_deg	1.473
r_scbond_it	1.326
r_scbond_other	1.321
r_mcbond_it	1.07
r_mcbond_other	1.069
r_symmetry_nbd_refined	0.297
r_nbd_other	0.272
r_symmetry_xyhbond_nbd_refined	0.233
r_nbd_refined	0.215
r_xyhbond_nbd_refined	0.193
r_symmetry_nbd_other	0.186
r_nbtor_refined	0.162
r_metal_ion_refined	0.158
r_ncsr_local_group_1	0.093
r_symmetry_nbtor_other	0.085
r_chiral_restr	0.072
r_symmetry_xyhbond_nbd_other	0.058
r_ncsr_local_group_2	0.057
r_bond_refined_d	0.011
r_gen_planes_refined	0.008
r_bond_other_d	0.004
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4218
Nucleic Acid Atoms
Solvent Atoms	412
Heterogen Atoms	4

Software

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