6SS5

Structure of the arginase-2-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	7.5	291	100 mM HEPES pH 7.5 70% MPD

Crystal Properties
Matthews coefficient	Solvent content
3.19	61.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.32	α = 90
b = 103.37	β = 90
c = 164.38	γ = 90

Symmetry
Space Group	C 2 2 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	DECTRIS PILATUS 6M-F		2018-12-02	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	1.78	49.355	99.7	0.16	1	8.1	10.4		58306

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	1.78	1.82	99.1		4.11	0.31	0.5	8.5

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	6SRV	1.78	49.354	58262	2923	99.598	0.18	0.1781	0.2165	33.211

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]
-2.39			3.811		-1.421

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.662
r_dihedral_angle_4_deg	23.295
r_dihedral_angle_1_deg	21.151
r_dihedral_angle_3_deg	14.262
r_lrange_it	7.997
r_lrange_other	7.996
r_scangle_it	6.351
r_scangle_other	6.336
r_scbond_it	4.296
r_scbond_other	4.283
r_mcangle_it	3.967
r_mcangle_other	3.967
r_mcbond_it	2.902
r_mcbond_other	2.899
r_angle_refined_deg	1.781
r_dihedral_angle_other_3_deg	1.578
r_angle_other_deg	1.451
r_xyhbond_nbd_refined	0.296
r_nbd_other	0.252
r_symmetry_xyhbond_nbd_refined	0.204
r_nbd_refined	0.194
r_symmetry_nbd_other	0.19
r_nbtor_refined	0.167
r_symmetry_nbd_refined	0.158
r_symmetry_nbtor_other	0.087
r_chiral_restr	0.082
r_symmetry_xyhbond_nbd_other	0.031
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3278
Nucleic Acid Atoms
Solvent Atoms	318
Heterogen Atoms	64

Software

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