7B1O

Crystal structure of the indoleamine 2,3-dioxygenase 1 (IDO1) in complex with compound 22

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	0.1 mM Tris pH 8.0, 18% (w/v) PEG6000, 0.2 M NaCl

Crystal Properties
Matthews coefficient	Solvent content
2.86	56.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 84.56	α = 90
b = 91.526	β = 90
c = 130.279	γ = 90

Symmetry
Space Group	P 21 21 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 EIGER X 16M		2016-12-07	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	0.999999701977	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.58	74.89	98.7	5.1	5.41	5		32082

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.58	10	95.8		0.42		4.9

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	NONE	2.58	74.89	31225	857	98.66	0.2172	0.2165	0.2428	RANDOM	68.596

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]
-1.33			0.34		0.99

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.145
r_dihedral_angle_4_deg	13.512
r_dihedral_angle_3_deg	13.011
r_dihedral_angle_1_deg	5.406
r_angle_refined_deg	1.184
r_angle_other_deg	0.935
r_symmetry_vdw_other	0.195
r_nbd_refined	0.191
r_nbtor_refined	0.165
r_symmetry_vdw_refined	0.145
r_nbd_other	0.136
r_xyhbond_nbd_refined	0.123
r_symmetry_hbond_refined	0.117
r_nbtor_other	0.075
r_chiral_restr	0.066
r_bond_refined_d	0.01
r_gen_planes_refined	0.003
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5949
Nucleic Acid Atoms
Solvent Atoms	39
Heterogen Atoms	60

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction