4O7U

Etherocomplex of Enteroccocus faecalis thymidylate synthase with 5-hydroxymethilene-6-hydrofolic acid and the phtalimidic inhibitor SS7

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	microbatch under oil	7	297	6.5 mg/mL EfTS, 3.2 M ammonium sulfate, 0.1 M HEPES, co-cystallization with 4 mM SS7 in DMSO in 1/10 SS7/EfTS volume ratio, pH 7.0, microbatch under oil, temperature 297K

Crystal Properties
Matthews coefficient	Solvent content
2.25	45.39

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.082	α = 90
b = 94.225	β = 94.33
c = 96.816	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	CCD	ADSC QUANTUM 315		2009-12-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.936	ESRF	ID29

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	67.43	76.5	0.124	6.5	2.4	38554	38554	1.4	2

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	2.53	75.5		0.354	3.2	2.4

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	MOLECULAR REPLACEMENT	THROUGHOUT	2.4	55.67	36573	1962	76.13	0.21561	0.21187	0.28671	RANDOM	15.199

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]
0.02		-0.01			-0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.367
r_dihedral_angle_3_deg	16.855
r_dihedral_angle_4_deg	15.16
r_dihedral_angle_1_deg	6.147
r_angle_refined_deg	1.301
r_mcangle_it	1.08
r_mcbond_it	0.61
r_scbond_it	0.573
r_chiral_restr	0.093
r_bond_refined_d	0.008
r_gen_planes_refined	0.005
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9738
Nucleic Acid Atoms
Solvent Atoms	205
Heterogen Atoms	89

Software

Software
Software Name	Purpose
DNA	data collection
MOLREP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling