5DND

Crystal structure of the Asn-bound guinea pig L-asparaginase 1 catalytic domain active site mutant T116A

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4R8L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	0.1 M HEPES pH 7.0, 12-15% PEG 4000

Crystal Properties
Matthews coefficient	Solvent content
1.49	17.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 123.86	α = 90
b = 154.78	β = 90
c = 157.28	γ = 90

Symmetry
Space Group	I 2 2 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		2015-04-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97857	APS	21-ID-G

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	2.29	30	98.5	0.12	13.38	5.2		66847

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.29	2.43	95.2			5.1

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4r8l	2.29	30	62995	3316	97.73	0.20968	0.208	0.24229	RANDOM	37.695

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]
0.23			-0.21		-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.134
r_dihedral_angle_4_deg	18.439
r_dihedral_angle_3_deg	14.075
r_long_range_B_refined	6.927
r_long_range_B_other	6.927
r_dihedral_angle_1_deg	5.566
r_scangle_other	4.729
r_mcangle_it	4.011
r_mcangle_other	4.01
r_scbond_it	2.842
r_scbond_other	2.842
r_mcbond_it	2.418
r_mcbond_other	2.418
r_angle_refined_deg	1.32
r_angle_other_deg	0.94
r_chiral_restr	0.066
r_bond_refined_d	0.01
r_gen_planes_refined	0.007
r_bond_other_d	0.005
r_gen_planes_other	0.004
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	10851
Nucleic Acid Atoms
Solvent Atoms	399
Heterogen Atoms	52

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Coot	model building