2GPT

Crystal structure of Arabidopsis Dehydroquinate dehydratase-shikimate dehydrogenase in complex with tartrate and shikimate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	298	0.4 mM Sodium Tartrate tetrahydrate, 0.1 M tri-Sodium Citrate dihydrate pH5.6, 2.8 M Ammonium Sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.76	55.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 96.934	α = 90
b = 96.934	β = 90
c = 116.157	γ = 120

Symmetry
Space Group	P 32 2 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 4		2004-11-19	M	SINGLE WAVELENGTH
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X8C	0.9795	NSLS	X8C
2	SYNCHROTRON	NSLS BEAMLINE X8C	1.1000	NSLS	X8C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.95	50	99.7	0.058	0.044	42.9	7.1		46428			21.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	1.95		98.5		0.635	0.537	3.3	6.1

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 (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.95	28.46	43932	1309	94.4	0.229	0.232	0.232	0.256	RANDOM	38.7

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]
-0.82	0.18		-0.82		1.63

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	24.1
c_improper_angle_d	2.88
c_scangle_it	2.58
c_mcangle_it	1.95
c_angle_deg	1.8
c_scbond_it	1.77
c_mcbond_it	1.23
c_bond_d	0.01

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3840
Nucleic Acid Atoms
Solvent Atoms	271
Heterogen Atoms	32

Software

Software
Software Name	Purpose
CNS	refinement
CAD4	data reduction
HKL-2000	data scaling
SOLVE	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 R01GM157729.