3ICN

Trypanosoma cruzi farnesyl diphosphate synthase homodimer in complex with isopentenyl pyrophosphate and 3-Fluoro-1-(2-hydroxy-2,2-bis-phosphono-ethyl)-pyridinium

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.6	298	PEG 4000, 200mM Ammonium Sulfate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 57.976	α = 90
b = 57.976	β = 90
c = 389.756	γ = 120

Symmetry
Space Group	P 61 2 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	CCD	ADSC QUANTUM 315r		2005-10-31	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X29A	1.1	NSLS	X29A

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	2.4	40	97	0.079	11.6	4		16079

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	2.4	2.49	87.7		0.239		2.2	1375

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	FOURIER SYNTHESIS	THROUGHOUT	2.4	34.97	16008	809	97.24	0.178	0.175	0.243	RANDOM	34.6

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]
2.01	1		2.01		-3.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.686
r_dihedral_angle_4_deg	20.89
r_dihedral_angle_3_deg	18.629
r_dihedral_angle_1_deg	5.614
r_scangle_it	3.981
r_scbond_it	2.54
r_angle_refined_deg	1.735
r_mcangle_it	1.408
r_mcbond_it	0.867
r_metal_ion_refined	0.512

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.686
r_dihedral_angle_4_deg	20.89
r_dihedral_angle_3_deg	18.629
r_dihedral_angle_1_deg	5.614
r_scangle_it	3.981
r_scbond_it	2.54
r_angle_refined_deg	1.735
r_mcangle_it	1.408
r_mcbond_it	0.867
r_metal_ion_refined	0.512
r_nbtor_refined	0.312
r_symmetry_hbond_refined	0.27
r_symmetry_vdw_refined	0.262
r_nbd_refined	0.236
r_xyhbond_nbd_refined	0.231
r_chiral_restr	0.109
r_bond_refined_d	0.018
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2891
Nucleic Acid Atoms
Solvent Atoms	284
Heterogen Atoms	45

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
ADSC	data collection
HKL-2000	data reduction

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 R01GM157729.