3CV1

Atomic Resolution Structures of Escherichia coli and Bacillis anthracis Malate Synthase A: Comparison with Isoform G and Implications for Structure Based Drug Design

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	298	0.1M Tris pH 7.5, 0.2M calcium acetate, 22% PEG 8K, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.1

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.031	α = 90
b = 74.124	β = 97.82
c = 71.917	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	IMAGE PLATE	RIGAKU RAXIS IV		2005-10-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.54

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.68	50	96.9				59002		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.68	1.74	97.8

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	SIRAS	THROUGHOUT	1.68	30	56011	2970	96.52	0.17806	0.17647	0.20857	RANDOM	14.977

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]
0.01			-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.744
r_dihedral_angle_4_deg	14.279
r_dihedral_angle_3_deg	12.007
r_dihedral_angle_1_deg	5.525
r_scangle_it	2.688
r_scbond_it	1.764
r_angle_refined_deg	1.223
r_mcangle_it	1.014
r_mcbond_it	0.656
r_nbtor_refined	0.304
r_nbd_refined	0.193
r_metal_ion_refined	0.185
r_symmetry_vdw_refined	0.176
r_symmetry_hbond_refined	0.134
r_xyhbond_nbd_refined	0.112
r_chiral_restr	0.086
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4187
Nucleic Acid Atoms
Solvent Atoms	504
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement
SBC-Collect	data collection
DENZO	data reduction
SCALEPACK	data scaling
SHELXS	phasing