6SRX

Structure of the arginase-2-inhibitory human antigen-binding fragment Fab C0021158

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	291	100 mM NaAcO pH 5.0 20% PEG6000 200 mM LiCl

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.732	α = 90
b = 122.67	β = 114.891
c = 63.985	γ = 90

Symmetry
Space Group	P 1 21 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 PILATUS 6M-F		2018-11-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	0.97242	ESRF	ID23-1

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	1.9	48.96	98.3	0.11	1	6.4	3.4		67778

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	1.9	1.94	98.5		1.45	0.53	0.7	3.5

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	1.9	48.955	67745	3129	98.195	0.235	0.2337	0.2609	40.864

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]
1.237		1.324	-0.705		-1.231

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.935
r_dihedral_angle_4_deg	20.591
r_dihedral_angle_3_deg	15.22
r_dihedral_angle_1_deg	7.643
r_lrange_it	3.974
r_lrange_other	3.973
r_mcangle_other	2.009
r_mcangle_it	2.008
r_scangle_it	1.629
r_scangle_other	1.629
r_angle_refined_deg	1.341
r_angle_other_deg	1.176
r_mcbond_it	1.147
r_mcbond_other	1.143
r_scbond_it	0.943
r_scbond_other	0.943
r_symmetry_xyhbond_nbd_refined	0.26
r_symmetry_xyhbond_nbd_other	0.179
r_nbd_refined	0.176
r_symmetry_nbd_other	0.171
r_nbtor_refined	0.152
r_nbd_other	0.151
r_xyhbond_nbd_refined	0.146
r_symmetry_nbd_refined	0.104
r_ncsr_local_group_2	0.082
r_symmetry_nbtor_other	0.071
r_ncsr_local_group_1	0.07
r_chiral_restr	0.047
r_bond_refined_d	0.005
r_gen_planes_refined	0.005
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6449
Nucleic Acid Atoms
Solvent Atoms	282
Heterogen Atoms	18

Software

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