6PAC

E. coli L-asparaginase II in complex with L-Asp at pH 5.6

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	298	Crystals were grown in 0.17 M NH4-citrate, pH 5.6, 17-18% PEG3350, then soaked for 1 min in solution with 5 mM L-Asp

Crystal Properties
Matthews coefficient	Solvent content
2.06	40.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 151.178	α = 90
b = 62.395	β = 117.55
c = 140.665	γ = 90

Symmetry
Space Group	C 1 2 1

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	DECTRIS EIGER R 4M	Multilayer X-ray mirrors VariMax HF	2018-06-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	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	40	88	0.019	0.024	0.013	21	2.5		135099

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63	54.9		0.269	0.365	0.243	0.71		1.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MOLECULAR REPLACEMENT	THROUGHOUT	1.6	40	131536	3432	88.05	0.1318	0.1308	0.1719	RANDOM	20.616

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]
0.08		0.02	-0.11		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	42.362
r_dihedral_angle_4_deg	15.485
r_dihedral_angle_3_deg	13.147
r_dihedral_angle_1_deg	6.209
r_angle_refined_deg	1.939
r_angle_other_deg	1.075
r_chiral_restr	0.125
r_bond_refined_d	0.02
r_gen_planes_refined	0.011
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9670
Nucleic Acid Atoms
Solvent Atoms	1725
Heterogen Atoms	46

Software

Software
Software Name	Purpose
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction