8C51

Trypanosoma brucei IMP dehydrogenase (cyto) crystallized in High Five cells revealing native ligands ATP, GDP and phosphate. Diffraction data collection at 100 K in cellulo

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1JCN	used only A chain

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	IN CELL		300	in cellulo rBV IMPDH cyto (MOI 1) infected High Five cells, adhesion culture.

Crystal Properties
Matthews coefficient	Solvent content
4.5	72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 205.75	α = 90
b = 205.75	β = 90
c = 92.1	γ = 90

Symmetry
Space Group	P 4 21 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 EIGER2 S 16M		2019-11-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)	0.976	PETRA III, EMBL c/o DESY	P14 (MX2)

Serial Crystallography

Sample delivery method
Diffraction ID	Description	Sample Delivery Method
1	micro-mesh	fixed target

Fixed Target
Diffraction ID	Description	Sample Holding	Support Base	Motion control	Sample Solvent
1		mesh	goniometer	MD3-diffractometer	semi-automated cryo-cooling procedure	ESF921 cell culture medium

Data Reduction
Diffraction ID	Frames Indexed	Crystal Hits	Total Frames
1	75741		96949

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	CC (Half)	R Split (All)	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	2.399	77.82	99.88	0.9973	0.0862	10.06	1797		77541

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.399	2.456	99.32		0.2331	0.089	1.809	1018

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	FREE R-VALUE	1JCN	2.4	72.74	1.33	77524	1120	99.92	0.2254	0.2252	0.2404	1

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]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	7.979
f_angle_d	0.624
f_chiral_restr	0.041
f_plane_restr	0.004
f_bond_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6737
Nucleic Acid Atoms
Solvent Atoms	63
Heterogen Atoms	128

Software

Software
Software Name	Purpose
PHENIX	refinement
MxCuBE	data collection
CrystFEL	data reduction
CrystFEL	data scaling
Coot	model building
PDB_EXTRACT	data extraction
PHENIX	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.