6SS6

Structure of arginase-2 in complex with the inhibitory human antigen-binding fragment Fab C0020187

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		291	2 M (NH4)2SO4

Crystal Properties
Matthews coefficient	Solvent content
2.96	58.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 138.126	α = 90
b = 138.126	β = 90
c = 551.307	γ = 120

Symmetry
Space Group	P 65 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	PIXEL	DECTRIS PILATUS 6M-F		2017-09-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.91587	Diamond	I04-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	3.25	48.78	100	0.78	0.99	4.2	10.4		50453

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	3.25	3.36	100		8.48	0.5	0.4	9.9

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	4HZE,6SS5	3.25	48.755	50320	2549	99.901	0.303	0.3003	0.3606	99.097

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]
-4.897	-2.448		-4.897		15.886

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.811
r_dihedral_angle_3_deg	22.106
r_dihedral_angle_4_deg	18.707
r_lrange_it	15.185
r_lrange_other	15.185
r_mcangle_it	7.82
r_mcangle_other	7.82
r_dihedral_angle_1_deg	6.723
r_scangle_other	6.519
r_scangle_it	6.507
r_mcbond_it	4.602
r_mcbond_other	4.601
r_scbond_it	3.675
r_scbond_other	3.673
r_angle_refined_deg	1.463
r_angle_other_deg	1.17
r_symmetry_xyhbond_nbd_refined	0.318
r_nbd_other	0.315
r_symmetry_nbd_refined	0.312
r_ncsr_local_group_9	0.226
r_ncsr_local_group_8	0.225
r_nbd_refined	0.223
r_symmetry_nbd_other	0.219
r_xyhbond_nbd_refined	0.204
r_ncsr_local_group_5	0.193
r_ncsr_local_group_6	0.189
r_ncsr_local_group_2	0.186
r_ncsr_local_group_3	0.181
r_ncsr_local_group_4	0.173
r_ncsr_local_group_1	0.166
r_nbtor_refined	0.163
r_ncsr_local_group_7	0.146
r_symmetry_xyhbond_nbd_other	0.137
r_symmetry_nbtor_other	0.08
r_chiral_restr	0.06
r_gen_planes_refined	0.006
r_bond_refined_d	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16814
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	141

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing
Coot	model building