1TDR

EXPRESSION, CHARACTERIZATION, AND CRYSTALLOGRAPHIC ANALYSIS OF TELLUROMETHIONYL DIHYDROFOLATE REDUCTASE

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 93	α = 90
b = 93	β = 90
c = 74.4	γ = 120

Symmetry
Space Group	P 61

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD			1992-10-24	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	0.98	NSLS	X8C

Data Collection

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		2.5	16	10732			0.124

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
p_orthonormal_tor	24
p_staggered_tor	22.1
p_scangle_it	2.692
p_planar_tor	2.3
p_scbond_it	1.618
p_mcangle_it	1.556
p_mcbond_it	0.928
p_multtor_nbd	0.233
p_singtor_nbd	0.222
p_xhyhbond_nbd	0.2
p_chiral_restr	0.183
p_planar_d	0.06
p_angle_d	0.059
p_bond_d	0.018
p_plane_restr	0.013
p_angle_deg
p_hb_or_metal_coord
p_xyhbond_nbd
p_transverse_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2531
Nucleic Acid Atoms
Solvent Atoms	340
Heterogen Atoms	73

Software

Software
Software Name	Purpose
MADNES	data collection
PROCOR	data collection
PROLSQ	refinement
MADNES	data reduction
PROCOR	data reduction