5WMX

Structural Insights into Substrate and Inhibitor Binding Sites in Human Indoleamine 2,3-Dioxygenase 1

Experimental procedure

Experimental method	SINGLE WAVELENGTH
Source type	SYNCHROTRON
Source details	SSRL BEAMLINE BL9-2
Synchrotron site	SSRL
Beamline	BL9-2
Temperature [K]	100
Detector technology	PIXEL
Collection date	2016-03-16
Detector	DECTRIS PILATUS 6M
Wavelength(s)	0.9794
Spacegroup name	P 21 21 21
Unit cell lengths	87.057, 97.566, 130.416
Unit cell angles	90.00, 90.00, 90.00

Refinement procedure

Resolution	39.100 - 2.690
R-factor	0.21698
Rwork	0.214
R-free	0.25415
Structure solution method	MOLECULAR REPLACEMENT
Starting model (for MR)	2d0t
RMSD bond length	0.007
RMSD bond angle	1.042
Data reduction software	XDS
Data scaling software	Aimless
Phasing software	PHASER (2.7.17)
Refinement software	REFMAC (5.8.0158)

Data quality characteristics

	Overall	Outer shell
Low resolution limit [Å]	39.100	2.760
High resolution limit [Å]	2.690	2.690
Rmerge	0.068	1.750
Rpim	0.033	0.850
Number of reflections	31517	4082
<I/σ(I)>	12.8	0.9
Completeness [%]	99.6	98.3
Redundancy	5.9	6
CC(1/2)	1.000	0.440

Crystallization Conditions

crystal ID	method	pH	temperature	details
1	MICROBATCH	10	277	100 mM Sodium thiosulfate, 100 mM pH 10.0 CAPS buffer, and 20% (w/v) PEG 8000